Novato 94947 · North Novato · APN 125-441-16 · Unincorporated Marin
Zoned RSP-0.33 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,244,000 ($1,095,000–$1,393,000).
Zoned RSP-0.33 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 54,798 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
On-parcel permit history is indexed through Jul 2, 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)
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)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
Since November 2024 within ½ mile: 1 permitted, 2 proposed or in review.
3 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.
76 permits within ½ mile since November 2024
$1,244,000
Benchmark range: $1,095,000 – $1,393,000
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)
Other (72676): Pending in review for 11.9 yr — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Closest lead: Accessory dwelling unit at 27 Stirrup Ln A K A (0.11 mi SE, 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)
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.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Nov 13, 2026
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.
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-0.33 as single-family residential, checked against the zone description on Oct 24, 2026
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.
In "Applied" for 8.8 yr (since Feb 8, 2018), with no new permit record in 8.8 yr. · 1 unit · $100,000 declared valuation
Permit issued and active for 4.5 yr (first record May 16, 2022), with no completion or new permit record in 4.5 yr. · 1 unit
In "Applied" for 4.2 yr (since Aug 23, 2022), with no new permit record in 4.2 yr. · 1 unit · $80,000 declared valuation
Permit issued and active for 3.5 yr (first record May 3, 2023), with no completion or new permit record in 3.5 yr. · 1 unit · $6,450 declared valuation
In "Applied" for 3.3 yr (since Jul 14, 2023), with no new permit record in 2.8 yr. · 1 unit
Permit issued and active for 3.1 yr (first record Sep 22, 2023), with no completion or new permit record in 2.2 yr. · 1 unit · $150,400 declared valuation
Nearby remodel / interior alteration (20 Verissimo Dr): Contractor changed from (blank) to BOLT DOWN THE BAY AREA
Record 182743 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby remodel / interior alteration (40 Verissimo Dr): First appeared in published agency feed
Record 94625 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Latest published Zillow Home Value Index (ZHVI) update
Changed from $983,284 in September 2025 to $1,012,808 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94947 (not a parcel appraisal)
New garage / accessory structure permit issued (182036)
Recorded status: Issued
Rmdl Entire1st Fl & 2ndl Fl Baths & Closets; Conv Garage To Living Sp & Liv Rm To Gar; Deck, Stairs; Wndws/Doors · Declared valuation: $937,000 · Contractor: Abacus Group Builders Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
0 Wild Horse Valley Dr · 1 unit · $1,200,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
2551 Vineyard Rd · 1 unit · $216,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
New garage / accessory structure permit application filed (93951)
Current status: Applied
Rmdl 1st Fl; Rmdl 2ndl Fl Baths & Closets; Conv Garage To Living Sp & Liv Rm To Gar; Deck, Stairs; Wndws/Doors - Duplicate Appl 2/24/26 · Declared valuation: $937,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New garage / accessory structure permit application filed (182036)
Current status: Issued
Rmdl Entire1st Fl & 2ndl Fl Baths & Closets; Conv Garage To Living Sp & Liv Rm To Gar; Deck, Stairs; Wndws/Doors · Declared valuation: $937,000 · Contractor: Abacus Group Builders Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Annual ZIP 94947 home-value index checkpoint
Changed from $1,021,699 in September 2024 to $983,284 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94947 (not a parcel appraisal)
138 Trish Dr (Adu 138 A) · 1 unit · $160,000 valuation
Records span Sep 20, 2024 to Jun 5, 2025 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94947 home-value index checkpoint
Changed from $993,500 in September 2023 to $1,021,699 in September 2024.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94947 (not a parcel appraisal)
138 Trish Dr · 1 unit · $160,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
37 Oak Valley Dr (Adu 37a) · 1 unit · $150,400 valuation
Records span Sep 22, 2023 to Sep 5, 2024 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
2576 Center Rd (Adu 2576a) · 1 unit · $100,000 valuation
Records span Oct 24, 2023 to May 22, 2024 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
2500 Vineyard Rd · 1 unit
Records span Jul 14, 2023 to Jan 25, 2024 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
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 →Pending in review for 11.9 yr — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
In "Applied" for 8.8 yr (since Feb 8, 2018), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
In "Applied" for 4.2 yr (since Aug 23, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
In "Applied" for 3.3 yr (since Jul 14, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
In "Applied" for 2.1 yr (since Sep 19, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Active in "Issued" for 3.1 yr (first record Sep 22, 2023) with no new permit activity recorded in 2.2 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 732 parcels
Small prior baseline
City baseline: 16.4 / 1k
6 in trailing 24m
Includes 2 ADUs
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Owner Builder | Addition (adds square footage) | 1 on parcel11 in ½ mi | $2,536,200 | 226 vs 240 prior−6% |
| Abacus Group Builders | New garage / accessory structure | 1 on parcel1 in ½ mi | $937,000 | 0 vs 0 prior |
| Owner Recent nearby: 31 Verissimo Dr (Jul 21, 2021) | New garage / accessory structure |
| 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) |
| New garage / accessory structureOn this parcel | 356 | 104d | 164d | 294d | 485d | 159d(vs 205d prior) |
HUD Small Area Fair Market Rent · ZIP 94947
HUD FY 2026 · 40th-percentile gross rentCensus ACS 5-year median gross rent (all bedroom counts combined):
Area home-value benchmarks (not an appraisal)
ZIP & neighborhood mediansUnder 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 ($12,450/yr) + local voter-approved bond debt ($1,868/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
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.
−$63,426/yr
Cash needed: $273,900
NOI: $12,119/yr
P&I: $6,295/mo
For $0/mo net cash flow
At $3,250/mo gross rent
| 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 | $2,990/mo | −$5,659/mo | -24.8% | $10,889/mo | −$5,654/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,250/mo | −$5,286/mo | -23.2% | $10,079/mo | −$5,097/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $3,445/mo | −$5,071/mo | -22.2% | $9,845/mo | −$4,673/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.
Rmdl Entire1st Fl & 2ndl Fl Baths & Closets; Conv Garage To Living Sp & Liv Rm To Gar; Deck, Stairs; Wndws/Doors
Rmdl 1st Fl; Rmdl 2ndl Fl Baths & Closets; Conv Garage To Living Sp & Liv Rm To Gar; Deck, Stairs; Wndws/Doors - Duplicate Appl 2/24/26
Add Partial Wall In Garage - Bwop T.D. 12/29/14 To Be Withdrawn - No Ld Appvl Withdrawn By Owner; Plns Discarded Per Owner 11/4/16 Nh.
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.
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.
Source: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) · Geography: zoning district polygon at parcel point · Retrieved Nov 13, 2026
1.26 acres
Assessor's classification for assessment purposes. This is not zoning.
27 OAK VALLEY DR
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026
Search by parcel number 125-441-16. Assessed value is not market value.
Search by parcel number 125-441-16 (Marin County Tax Collector)
Permits issued in unincorporated Marin in the past 48 months. Each city keeps its own records.
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.
| $1,415,640 |
| 25 vs 15 prior+67% |
| Marco Design Group Recent nearby: 43 Oak Valley Dr (May 9, 2017) | New garage / accessory structure | 3 in ½ mi | $81,000 | 0 vs 1 prior |
| Barkley Builders Recent nearby: 35 Verissimo Dr (Dec 8, 2020) | Remodel / interior alteration | 2 in ½ mi | $700,000 | 1 vs 0 prior |
| Rjdj Recent nearby: 33 Oak Valley Dr (Jul 5, 2023) | Pool / spa | 2 in ½ mi | $235,000 | 1 vs 1 prior |
| Us Demo And Hauling Recent nearby: 20 Saddle Ln (Nov 8, 2024) | Demolition | 2 in ½ mi | $15,000 | 0 vs 1 prior |
| Bolt Down The Bay Area Recent nearby: 20 Verissimo Dr (Oct 15, 2026) | Remodel / interior alteration | 1 in ½ mi | $600,000 | 5 vs 0 prior |
| Anello Painting And Construction Recent nearby: 2424 Vineyard Rd (Oct 10, 2024) | Addition (adds square footage) | 1 in ½ mi | $500,000 | 0 vs 1 prior |
| G Man Construction Recent nearby: 29 Wild Horse Valley Dr (Feb 12, 2024) | Remodel / interior alteration | 1 in ½ mi | $400,000 | 0 vs 0 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) |
| OtherOn this parcel | 1,560 | 0d | 0d | 1d | 71d | 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.