902 Ventura Way

Mill Valley 94941 · Tamalpais · APN 050-026-15 · Unincorporated Marin

Compare Property brief (PDF)Timeline ↓Calculator ↓Official records ↓

Executive Verdict · Public-Records Synthesis

Fire zone:Moderate Fire Hazard Severity Zone (State Responsibility Area)Infill screen:ADU + SB 9 likely Benchmark est.:$2,124,000 Yr 1 Prop 13 est.:$2,073/mo

Zoned RSP-1 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,124,000 ($1,869,000–$2,379,000).

Upsides & Opportunities

ADU & SB 9 infill pathways screen as likely eligibleDetails ↓
Zoned RSP-1 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 8,407 sq ft lot. Local precedent is active with 7 ADU permits within ¼ mile over the last 36 months.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
3 documented municipal building permits on fileDetails ↓
On-parcel permit history is indexed through Oct 4, 2026, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Above-average reinvestment in TamalpaisDetails ↓
50 substantial renovation & housing permits over 24 months (20.5 per 1,000 parcels vs. 16.4 citywide baseline) (#3 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Tamalpais)

Watchouts & Due Diligence

Mapped flood awareness zone (Zone X: minimal flood hazard)Details ↓
all of the lot of the parcel intersects Zone X: minimal flood hazard. Outside mandatory federal SFHA insurance rules, but check local drainage and finished-floor requirements.
Source: FEMA National Flood Hazard Layer (parcel polygon)
CAL FIRE Moderate Fire Hazard Severity Zone (State Responsibility Area) (all of the lot of lot)Details ↓
Located in a mapped Fire Hazard Severity Zone. Expect Chapter 7A ignition-resistant building standards, defensible-space inspections, and stricter property insurance underwriting.
Source: CAL FIRE FHSZ (map Apr 1, 2024)
6 slow or stalled nearby projects within ½ mileDetails ↓
Closest lead: New home at 560 Alta Way (0.25 mi SW, applied). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
Year 1 Prop 13 tax reset (~$24,876/yr at $2,124,000)Details ↓
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,073/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector

Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.

What's changing nearby

Since November 2024 within ½ mile: 1 homes completed, 8 permitted, 8 proposed or in review; 1 demolition; 1 commercial or mixed-use project.

19 projects with a record in this window, grouped by us from permits and State housing reports. Units are as proposed on each project's latest record and counted at its current stage.

590 permits within ½ mile since November 2024

New construction5 · 1 unit
Adds housing (ADU)15 · 15 units
Demolition3
Additions & renovations41
Building systems410
Repairs19
Other97

The map shows new construction, ADUs, demolitions, additions, and renovations. Routine systems work (roofs, HVAC, water heaters) is counted but not mapped. Unit counts are as stated on permits.

Explore projects on the map →Explore sales & prices →

Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Nov 13, 2026

Estimated price, listing status & sales records

Benchmark valuation & transaction history

Estimated PriceZHVI + ACS + Permits

$2,124,000

Benchmark range: $1,869,000 – $2,379,000

Listing StatusOff Market

Not currently listed for sale

Compare nearby sales & prices on map →

Last Sold & Tax Roll

No deed price in open GIS feed

Verify on Assessor's property search

How this estimated price is calculated (ZIP ZHVI + Neighborhood ACS + Permit Model)

Model monthly ownership cost ↓

1. Area home value baseline: 70% ZIP 94941 Zillow ZHVI ($2,181,389, September 2026) + 30% Tamalpais ACS median ($1,804,599); $2,068,352
2. Parcel & lot adjustment (1.03×): Single-family lot (8,407 sq ft, +2.7% lot-size adjustment vs 6,000 sq ft standard lot); +$55,813
3. Documented permitted improvements: No recent value-adding ADU, addition, or remodel permits recorded on this parcel; +$0

Public-records benchmark estimate combining Zillow Home Value Index (Data provided by Zillow), Census ACS 5-year estimates, parcel land-use/lot characteristics, and issued building permits. Not an official appraisal.

What could be built here

A screen, not a determination

ADU or junior ADU

Likely eligible

Zoned RSP-1 (single-family residential): state law allows ADUs where homes are allowed.

What we couldn't check (4)

Setbacks, height and size limits in the local ADU ordinance
Utility and sewer capacity, fire access
Historic district or landmark status: we have no historic layer for this area yet.
Locally adopted fire hazard maps, which can be broader than the State's.

SB 9: two homes on the lot

Likely eligible

Zoned RSP-1, a single-family residential zone.

What we couldn't check (6)

Whether a tenant lived there in the last 3 years, or the building was withdrawn from rent under the Ellis Act
Rent-controlled or deed-restricted affordable housing on the lot
Wetlands, habitat, farmland, hazardous waste sites and conservation easements
Local SB 9 standards (size, setbacks, parking)
Historic district or landmark status: we have no historic layer for this area yet.
Locally adopted fire hazard maps, which can be broader than the State's.

SB 9: split into two lots

Likely eligible

Zoned RSP-1, a single-family residential zone.
The lot is 8,407 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.

What we couldn't check (6)

Owner-occupancy: the applicant must sign an affidavit to live in one of the homes for 3 years
Whether the lot was created by an earlier SB 9 split, or the owner split an adjacent lot
Whether a tenant lived there in the last 3 years, or the building was withdrawn from rent under the Ellis Act
Wetlands, habitat, farmland, hazardous waste sites and conservation easements
Historic district or landmark status: we have no historic layer for this area yet.
Locally adopted fire hazard maps, which can be broader than the State's.

Mapped hazards on this lot

Fire hazard severity zone: Moderate Fire Hazard Severity Zone (State Responsibility Area), all of the lot · effective Apr 1, 2024
FEMA flood zone: Zone X: minimal flood hazardFIRM panel 06041C0468F, effective March 16, 2016. Official flood map
Earthquake fault zone: Not in an Alquist-Priolo Earthquake Fault Zone

Built nearby: within ¼ mile since November 2023

New single-family home1
Accessory dwelling unit (new or conversion)7

See them on the map →

Permit counts, by the date issued (or applied, if not yet issued). Lot splits are planning cases, which we don't have.

We read public zoning and hazard maps against state law (ADUs: Gov. Code 66314; SB 9: Gov. Code 65852.21 and 66411.7). Local rules, title, tenancy history and site conditions can change the answer. Check with Unincorporated Marin's planning department before relying on it.

Sources: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) (retrieved Nov 13, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the State Responsibility Area (effective 2024-04-01) (retrieved Nov 9, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the Local Responsibility Area (map dated 2025-03-24) (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — flood hazard zones (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — FIRM panels (retrieved Nov 9, 2026) · California Geological Survey, Alquist-Priolo Earthquake Fault Zones (retrieved Nov 9, 2026) · Zoning classes: our classification of RSP-1 as single-family residential, checked against the zone description on Oct 24, 2026

Property & area intelligence timeline

94 events · 33 slow/stalled projects

Chronological history of building permit applications and issuances, snapshot-dated status changes, State housing entitlements, surrounding development within ½ mile, and area home-value trends.

Slow-moving or stalled projects (33)

Active projects spending 12+ months pre-issuance, 24+ months under construction, or 6+ months without new records

StalledSFR vacant lotEntitled
0.44 mi N
In "Entitled" for 6.2 yr (since Sep 9, 2020), with no new permit record in 6.2 yr. · 1 unit
StalledAccessory dwelling unit at 154 Morning Sun AveApplied
0.45 mi E
In "Applied" for 6.2 yr (since Sep 14, 2020), with no new permit record in 6.2 yr. · 1 unit · $120,000 declared valuation
StalledAccessory dwelling unit at 202 Princeton AveApplied
0.38 mi E
In "Applied" for 6.1 yr (since Oct 18, 2020), with no new permit record in 6.1 yr. · 1 unit
StalledNew homeIssued
0.46 mi NE
Permit issued and active for 5.7 yr (first record Mar 1, 2021), with no completion or new permit record in 5.7 yr. · 1 unit
StalledNew homeIssued
0.46 mi NE
Permit issued and active for 5.7 yr (first record Mar 1, 2021), with no completion or new permit record in 5.7 yr. · 1 unit
Stalled2 new homesIssued
0.46 mi NE
Permit issued and active for 5.7 yr (first record Mar 1, 2021), with no completion or new permit record in 5.7 yr. · 2 units

202615 events

Nov 12, 2026 – Nov 13, 2026Snapshot windowNearby snapshot change
0.3 mi S
Nearby other (4 Leo Ln): First appeared in published agency feed
Record B49100 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.16 mi NE
Nearby accessory dwelling unit (new or conversion) (100 Loring Ave): First appeared in published agency feed
Record 182935 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.16 mi NE
Nearby general repair (100 Loring Ave): First appeared in published agency feed
Record 182934 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.32 mi S
Nearby accessory dwelling unit (new or conversion) (3 Leo Ln (Aka 3 A)): First appeared in published agency feed
Record 182940 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.44 mi SW
Nearby other (529 Brookline Way): First appeared in published agency feed
Record B49083 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.3 mi S
Nearby roof replacement (4 Leo Ln): First appeared in published agency feed
Record B49080 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.4 mi W
Nearby other (1217 Waterview Dr): First appeared in published agency feed
Record 94643 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.16 mi NE
Nearby general repair (100 Loring Ave): No longer present in latest agency feed
Record 94068 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.32 mi S
Nearby accessory dwelling unit (new or conversion) (Accessory dwelling unit at 3 Leo Ln): No longer present in latest agency feed
Record 94306 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 10, 2026 – Nov 11, 2026Snapshot windowNearby snapshot change
0.16 mi NE
Nearby accessory dwelling unit (new or conversion) (Accessory dwelling unit at 100 Loring Ave): No longer present in latest agency feed
Record 93891 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 9, 2026 – Nov 10, 2026Snapshot windowNearby snapshot change
500 ft NE
Nearby other (250 Loring Ave): First appeared in published agency feed
Record B48929 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 9, 2026 – Nov 10, 2026Snapshot windowNearby snapshot change
0.22 mi NE
Nearby plumbing / water heater / sewer (63 California Ave): First appeared in published agency feed
Record B49068 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 9, 2026 – Nov 10, 2026Snapshot windowNearby snapshot change
0.24 mi NW
Nearby other (908 Vernal Way): First appeared in published agency feed
Record B49065 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 9, 2026 – Nov 10, 2026Snapshot windowNearby snapshot change
0.16 mi N
Nearby other (910 W California Ave): First appeared in published agency feed
Record B49064 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nov 9, 2026 – Nov 10, 2026Snapshot windowNearby snapshot change
0.35 mi W
Nearby other (1212 El Cide Ct): First appeared in published agency feed
Record B49060 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile

Showing 15 of 94 timeline events

Recorded sales & deed transfers: California county recorders do not publish open bulk deed-transfer feeds without owner-PII restrictions, so individual sale deeds are not redistributed here. For official assessment roll and recorded transfer history in Unincorporated Marin, inspect Assessor's property search ↗.

Development graph & closer investigation

6 investigation leads · 10 active builders

Cross-referenced intelligence from our historical development graph—connecting parcels, permits, entity-resolved builders, empirical review-time distributions, and neighborhood renovation trends.

Explore full Unincorporated Marin development graph →

Developments deserving closer investigation (6)

On this parcel & within ½ mile

New home at 560 Alta WayApplied>90th pct review time (3.3 yr)$975,000
0.25 mi SW
In "Applied" for 3.3 yr (since Aug 10, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $975,000 declared valuation across 1 permit).
New commercial building at 100 Harvard AveIssuedNo new record in 18 mo$6,500,000
0.23 mi E
Active in "Issued" for 23 mo (first record Dec 26, 2024) with no new permit activity recorded in 18 mo. High-impact scale ($6,500,000 declared valuation across 1 permit).
Accessory dwelling unit at 131 Yale Ave AIssuedNo new record in 3.4 yr$1,000,000
0.44 mi E
Active in "Issued" for 4.8 yr (first record Jan 19, 2022) with no new permit activity recorded in 3.4 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
New home at 210 Brabo TerIssuedNo new record in 2.6 yr$850,000
0.44 mi NW
Active in "Issued" for 3.1 yr (first record Oct 12, 2023) with no new permit activity recorded in 2.6 yr. High-impact scale (1 housing unit, $850,000 declared valuation across 1 permit).
2 new homesIssuedNo new record in 5.7 yr$0
0.46 mi NE
Active in "Issued" for 5.7 yr (first record Mar 1, 2021) with no new permit activity recorded in 5.7 yr. High-impact scale (2 housing units, 1 deed-restricted affordable across 0 permits).
2 new homesIssuedNo new record in 5.7 yr$0
0.46 mi NE
Active in "Issued" for 5.7 yr (first record Mar 1, 2021) with no new permit activity recorded in 5.7 yr. High-impact scale (2 housing units, 1 deed-restricted affordable across 0 permits).

Neighborhood renovation & housing momentum: Tamalpais

Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,439 parcels

Rank #3 of 22 neighborhoods in acceleration

Last 12m vs prior 12m: 24 vs 26 permits
24m rate per 1,000 parcels: 20.5
5-year substantial permits: 150
Housing additions (24m): 19 units

Active builders & contractors connected to this area (10)

Entity-resolved across corporate suffixes (INC / LLC / CORP)

Builder / contractor	Primary specialty	Here / ½ mi	½ mi valuation	Citywide 24m trend
Ernest Ongaro And Sons	HVAC / heat pump	2 on parcel2 in ½ mi	$12,000	0 vs 0 prior
Nc Roofing Solution	Roof replacement	1 on parcel1 in ½ mi	$25,000	0 vs 0 prior
Owner Builder Recent nearby: 100 Loring Ave (Nov 10, 2026)	Remodel / interior alteration	105 in ½ mi	$11,017,362	226 vs 240 prior−6%
Owner Recent nearby: 1123 W California Ave (Adu 1123a) (Mar 7, 2025)	Remodel / interior alteration	54 in ½ mi	$3,356,400	25 vs 15 prior+67%
Barton Design And Constuction Recent nearby: 406 Wendy Way (Oct 21, 2022)	Remodel / interior alteration	6 in ½ mi	$1,525,000	0 vs 0 prior
Juan Calmell Recent nearby: 46 Laverne Ave (Jul 21, 2014)	Remodel / interior alteration	6 in ½ mi	$372,950	0 vs 0 prior
Lamperti Contracting And Design Recent nearby: 370 Dolan Ave (Feb 15, 2024)	Remodel / interior alteration	5 in ½ mi	$492,092	2 vs 7 prior
Spellbound Construction Recent nearby: 124 Reed St (Oct 30, 2014)	Addition (adds square footage)	4 in ½ mi	$873,000	2 vs 1 prior
Tamalpais Construction Recent nearby: 20 Morning Sun Ave (Nov 3, 2022)	Remodel / interior alteration	4 in ½ mi	$193,000	0 vs 2 prior
Miette Recent nearby: 210 California Ave (Jul 23, 2020)	Demolition	3 in ½ mi	$853,000	0 vs 0 prior

How long projects typically spend in review in Unincorporated Marin

Empirical turnaround from application to issuance (trailing 5 years)

Permit category	Sample (n)	25th pct	Median (50th)	75th pct	90th pct	Recent 24m median
New single-family home	121	166d	253d	456d	686d	211d(vs 273d prior)
New multifamily / condos / mixed-use	21	272d	292d	293d	313d	293d(vs 197d prior)
Accessory dwelling unit (new or conversion)	298	120d	204d	331d	549d	214d(vs 181d prior)
Addition (adds square footage)	316	103d	160d	249d	440d	157d(vs 167d prior)
Remodel / interior alteration	1,054	36d	83d	148d	266d	112d(vs 77d prior)
Commercial tenant improvement	81	99d	148d	233d	443d	152d(vs 150d prior)
Roof replacementOn this parcel	3,663	0d	0d	0d	0d	0d
HVAC / heat pumpOn this parcel	2,946	0d	0d	0d	0d	0d

Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Computed from issued permits with recorded application and issuance dates over the trailing 60 months. Categories with fewer than 20 permits are excluded.

Ownership & rental scenario calculator

Prop 13, ADU pro forma & area benchmarks

Area rent & home-value benchmarks (kept separate from your assumptions)

Click any benchmark to pre-fill the calculator

HUD Small Area Fair Market Rent · ZIP 94941

HUD FY 2026 · 40th-percentile gross rent

Census ACS 5-year median gross rent (all bedroom counts combined):

Tamalpais$2,994±$755

ZIP 94941$3,100±$331

Area home-value benchmarks (not an appraisal)

ZIP & neighborhood medians

Zillow ZHVI · ZIP 94941(as of September 2026)Data provided by Zillow · typical mid-tier home value in ZIP

$2,181,389

ACS Median Home Value · TamalpaisCensus ACS 2020–2024 owner-occupied self-reported median

$1,805,000±$71,000

ACS Median Home Value · ZIP 94941Census ACS 2020–2024 owner-occupied self-reported median

$2,000,000+

1. Purchase, financing & Prop 13 tax reassessment

Purchase price ($)Down payment (%)$425,000Interest rate (%)Loan termClosing costs (%)$42,500

Prop 13 post-purchase property tax estimate

$2,074/mo ($24,888/yr · 1.17%)

Under California Proposition 13, the seller's historical assessed value does not carry over to a buyer. On sale, the parcel is reassessed at the purchase price: 1.00% base rate ($21,250/yr) + local voter-approved bond debt ($3,188/yr) + fixed direct levies/Mello-Roos ($450/yr).

Voter bond rate (%)$3,188/yrDirect levies / Mello-Roos ($/yr)Check Assessor's property search ↗

2. Your rent & operating assumptions

Monthly gross rent ($)Your assumptionVacancy allowance (%)−$198/moManagement (%)$300/moMaintenance (%)$198/moCapEx reserve (%)$198/moInsurance ($/mo)$3,300/yrHOA dues ($/mo)Owner utilities ($/mo)

Mapped hazard zone insurance context on this parcel:

Parcel intersects a mapped Moderate Fire Hazard Severity Zone (State Responsibility Area) (State responsibility area). Properties in High or Very High fire hazard zones may require California FAIR Plan + difference-in-conditions (DIC) coverage; verify actual insurability and quotes early.

ADU / JADU Value-Add Pro Forma

Gov. Code § 66314: Likely eligible· 7 ADUs permitted within ¼ mi (36m)

Model adding a backyard ADU or garage conversion under California's Prop 13 blended new-construction assessment (existing house & land tax base stays intact; only ADU build cost is assessed) and SB 13 impact-fee rules.

Standalone preview: 8.1% yield on cost (+$262/mo)

3. Scenario results (based on your assumptions)

Net monthly cash flow: −$10,037
Cash-on-cash return: -25.8%
Cap rate (Year 1 NOI): 0.40%
DSCR (NOI / debt): 0.07x
Break-even gross rent: $16,917/mo
Break-even vacancy: 0% (negative at full occ.)

Monthly cash-flow breakdown (Effective gross $3,753 − Operating $3,044 − Debt $10,745)

Gross scheduled rent$3,950

Vacancy allowance (5%)−$198

Effective gross income$3,753

Prop 13 property tax (1.17%)−$2,074

Property insurance−$275

Management (8%), maintenance (5%) & CapEx (5%)−$695

Net Operating Income (NOI)+$708

Mortgage principal & interest (1,700,000 loan)−$10,745

Net monthly cash flow−$10,037

4. Sensitivity & rent-stabilization ceiling (Unincorporated Marin)

Scenario	Assumptions	Year 1 Rent	Year 1 Cash Flow	Cash-on-Cash	Break-Even Rent	Year 5 Cash Flow
Conservative	−8% starting rent, +3% vacancy, +3% combined maintenance/CapEx, 1.5%/yr rent growth	$3,634/mo	−$10,491/mo	-26.9%	$18,278/mo	−$10,527/mo
Base (your inputs)	Your entered assumptions, 3.0%/yr rent growth	$3,950/mo	−$10,037/mo	-25.8%	$16,917/mo	−$9,850/mo
Optimistic (cap-limited)	+6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr)	$4,187/mo	−$9,776/mo	-25.1%	$16,525/mo	−$9,334/mo

Rental regulatory context (informational only — not legal advice):

California AB 1482 (Tenant Protection Act, Civ. Code § 1947.12) caps annual rent increases at 5% + local CPI (max 10%) on covered properties.

Common statutory exemption signals under AB 1482

Housing issued a certificate of occupancy within the last 15 years (rolling exemption under AB 1482).
Separately alienable single-family homes or condominiums not owned by a corporation, REIT, or LLC with a corporate member (when required statutory notice is in the lease).
Owner-occupied duplexes where the owner occupied one unit from the start of the tenancy.

Permit history on this parcel

3 records

Roof replacementB48629
ReRoofing
ReRoofing
Applied
Oct 4, 2026
Issued
Oct 4, 2026
Recorded status
Issued as of Oct 4, 2026
Declared valuation
$25,000
Contractor:
Nc Roofing Solution
HVAC / heat pumpB26042
AC add on SEER 16 — Mechanical Appliance
AC add on SEER 16 — Mechanical Appliance
Applied
Jun 14, 2021
Issued
Jun 16, 2021
Recorded status
Issued as of Jun 16, 2021
Declared valuation
$7,500
Contractor:
Ernest Ongaro And Sons
HVAC / heat pumpB18111
replace failed ducting with new ducting- 12 runs of R6 wireflex — Replace Ductwork
replace failed ducting with new ducting- 12 runs of R6 wireflex — Replace Ductwork
Applied
Jun 26, 2019
Issued
Jun 26, 2019
Recorded status
Issued as of Jun 26, 2019
Declared valuation
$4,500
Contractor:
Ernest Ongaro And Sons

Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Nov 13, 2026 · Received and issued dates come from the County of Marin. The county publishes no final or expired status, so an issued permit stays 'Issued' after the work is done.

Housing activity reported to the State

No housing activity reported to the State for this parcel (2018–2025 reports).

Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project (parcel) · Retrieved Nov 9, 2026 · From Unincorporated Marin's Housing Element Annual Progress Reports. A project can appear in several report years as it moves from entitlement to permit to completion.

Zoning & planning

Zoning: RSP-1: Residential Single Family Planned (Unincorporated Marin)

Source: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) · Geography: zoning district polygon at parcel point · Retrieved Nov 13, 2026

Parcel facts

Lot size: 8,407 sq ft
Assessor land use: Single-Resid. - Improved
Addresses on parcel: 1

Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026

Official records

Assessor's property search
Search by parcel number 050-026-15. Assessed value is not market value.
Property tax bill
Search by parcel number 050-026-15 (Marin County Tax Collector)
County permit lookup
Permits issued in unincorporated Marin in the past 48 months. Each city keeps its own records.
FEMA Flood Map Service Center
The official flood hazard map for this location. Our reading of it is under What could be built here.

This site does not show owner names.

Builder / contractor

Primary specialty

Here / ½ mi

½ mi valuation

Citywide 24m trend

Ernest Ongaro And Sons

HVAC / heat pump

2 on parcel2 in ½ mi

$12,000

0 vs 0 prior

Nc Roofing Solution

Roof replacement

1 on parcel1 in ½ mi

$25,000

0 vs 0 prior

Owner Builder

Recent nearby: 100 Loring Ave (Nov 10, 2026)

Remodel / interior alteration

105 in ½ mi

$11,017,362

226 vs 240 prior−6%

Owner

Recent nearby: 1123 W California Ave (Adu 1123a) (Mar 7, 2025)

Remodel / interior alteration

54 in ½ mi

$3,356,400

25 vs 15 prior+67%

Barton Design And Constuction

Recent nearby: 406 Wendy Way (Oct 21, 2022)

Remodel / interior alteration

6 in ½ mi

$1,525,000

0 vs 0 prior

Juan Calmell

Recent nearby: 46 Laverne Ave (Jul 21, 2014)

Remodel / interior alteration

6 in ½ mi

$372,950

0 vs 0 prior

Lamperti Contracting And Design

Recent nearby: 370 Dolan Ave (Feb 15, 2024)

Remodel / interior alteration

5 in ½ mi

$492,092

2 vs 7 prior

Spellbound Construction

Recent nearby: 124 Reed St (Oct 30, 2014)

Addition (adds square footage)

4 in ½ mi

$873,000

2 vs 1 prior

Tamalpais Construction

Recent nearby: 20 Morning Sun Ave (Nov 3, 2022)

Remodel / interior alteration

4 in ½ mi

$193,000

0 vs 2 prior

Miette

Recent nearby: 210 California Ave (Jul 23, 2020)

Demolition

3 in ½ mi

$853,000

0 vs 0 prior

Permit category

Sample (n)

25th pct

Median (50th)

75th pct

90th pct

Recent 24m median

New single-family home

121

166d

253d

456d

686d

211d(vs 273d prior)

New multifamily / condos / mixed-use

272d

292d

293d

313d

293d(vs 197d prior)

Accessory dwelling unit (new or conversion)

298

120d

204d

331d

549d

214d(vs 181d prior)

Addition (adds square footage)

316

103d

160d

249d

440d

157d(vs 167d prior)

Remodel / interior alteration

1,054

36d

83d

148d

266d

112d(vs 77d prior)

Commercial tenant improvement

99d

148d

233d

443d

152d(vs 150d prior)

Roof replacementOn this parcel

3,663

HVAC / heat pumpOn this parcel

2,946

Scenario

Assumptions

Year 1 Rent

Year 1 Cash Flow

Cash-on-Cash

Break-Even Rent

Year 5 Cash Flow

Conservative

−8% starting rent, +3% vacancy, +3% combined maintenance/CapEx, 1.5%/yr rent growth

$3,634/mo

−$10,491/mo

-26.9%

$18,278/mo

−$10,527/mo

Base (your inputs)

Your entered assumptions, 3.0%/yr rent growth

$3,950/mo

−$10,037/mo

-25.8%

$16,917/mo

−$9,850/mo

Optimistic (cap-limited)

+6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr)

$4,187/mo

−$9,776/mo

-25.1%

$16,525/mo

−$9,334/mo