Petaluma 94952 · North Novato · APN 125-120-01 · Unincorporated Marin
Zoned A60 in Unincorporated Marin and mapped FEMA A flood / CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,525,000 ($1,296,000–$1,754,000).
Public building records show issued construction/renovation work on this parcel (8 total permits, latest Apr 12, 2023).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Zone A: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
Source: FEMA National Flood Hazard Layer (parcel polygon)
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)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
No permit activity recorded within ½ mile.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Nov 13, 2026
$1,525,000
Benchmark range: $1,296,000 – $1,754,000
Demolition at 961 San Antonio Rd: Active in "Issued" for 9.4 yr (first record Jun 21, 2017) with no new permit activity recorded in 9.3 yr.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,499/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
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.
No ADU or new-home permits recorded within ¼ mile in this window.
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 A60 as agricultural, 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.
Permit issued and active for 9.4 yr (first record Jun 21, 2017), with no completion or new permit record in 9.3 yr. · $10,000 declared valuation
Plumbing / water heater / sewer permit application filed (B33405)
Current status: Issued
Replace 50 gallon electric water heater in the basement. Same size and same location. — Replace Plumbing Fixtures(s) · Declared valuation: $1,000 · Contractor: Rite Rooter Plumbing
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit issued (B33405)
Recorded status: Issued
Replace 50 gallon electric water heater in the basement. Same size and same location. — Replace Plumbing Fixtures(s) · Declared valuation: $1,000 · Contractor: Rite Rooter Plumbing
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Electrical / panel permit application filed (B32382)
Current status: Issued
We are upgrading an electrical main service panel at this address. We will install a new 200 Amp rated main service panel in the same location as the existing main service panel. There is no changes to the customer's loads or anything else at the site. — Service Upgrade · Declared valuation: $3,800 · Contractor: Quattro Solar Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Electrical / panel permit issued (B32382)
Recorded status: Issued
We are upgrading an electrical main service panel at this address. We will install a new 200 Amp rated main service panel in the same location as the existing main service panel. There is no changes to the customer's loads or anything else at the site. — Service Upgrade · Declared valuation: $3,800 · Contractor: Quattro Solar Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit issued (166968)
Recorded status: Issued
Generator · Declared valuation: $15,000 · Contractor: Warner Electric Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit application filed (166968)
Current status: Issued
Generator · Declared valuation: $15,000 · Contractor: Warner Electric Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Addition (adds square footage) permit issued (158742)
Recorded status: Issued
Add Mud Rm, Laundry Rm, Half Bth (To Main House That Burned Down) T.D. 4/24/18 · Declared valuation: $115,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Addition (adds square footage) permit application filed (158742)
Current status: Issued
Add Mud Rm, Laundry Rm, Half Bth (To Main House That Burned Down) T.D. 4/24/18 · Declared valuation: $115,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit issued (157598)
Recorded status: Issued
P V Sys 7.09 K W - Express · Declared valuation: $37,625 · Contractor: Efficient Energy Solutions Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit application filed (157598)
Current status: Issued
P V Sys 7.09 K W - Express · Declared valuation: $37,625 · Contractor: Efficient Energy Solutions Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Remodel / interior alteration permit issued (156730)
Recorded status: Issued
Fire Dam Rpr - Rmdl Complete Int & Ext T.D. 7/25/17 · Declared valuation: $500,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Demolition permit issued (156078)
Recorded status: Issued
Fire Damage Demo J# 4w394 · Declared valuation: $10,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Demolition permit application filed (156078)
Current status: Issued
Fire Damage Demo J# 4w394 · Declared valuation: $10,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Remodel / interior alteration permit application filed (156730)
Current status: Issued
Fire Dam Rpr - Rmdl Complete Int & Ext T.D. 7/25/17 · Declared valuation: $500,000 · Contractor: Tomrose Construction, Inc.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Remodel / interior alteration permit application filed (80151)
Current status: Applied
Fire Dam Rmdl · Declared valuation: $500,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
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 →Active in "Issued" for 9.4 yr (first record Jun 21, 2017) with no new permit activity recorded in 9.3 yr.
Issued after 2 mo — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
Pending in review for 9.5 yr (41.7× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
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 |
|---|---|---|---|---|
| Tomrose Construction | Addition (adds square footage) | 3 on parcel3 in ½ mi | $625,000 | 0 vs 2 prior |
| Efficient Energy Solutions | Solar / battery storage | 1 on parcel1 in ½ mi | $37,625 | 0 vs 0 prior |
| Warner Electric | Plumbing / water heater / sewer | 1 on parcel1 in ½ mi | $15,000 |
| 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) |
| Demolition |
HUD Small Area Fair Market Rent · ZIP 94952
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 ($15,250/yr) + local voter-approved bond debt ($2,288/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.
−$85,958/yr
Cash needed: $335,500
NOI: $6,577/yr
P&I: $7,711/mo
For $0/mo net cash flow
At $3,000/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 | $2,760/mo | −$7,508/mo | -26.9% | $13,240/mo | −$7,536/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,000/mo | −$7,163/mo | -25.6% | $12,255/mo | −$7,021/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $3,180/mo | −$6,965/mo | -24.9% | $11,970/mo | −$6,629/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.
IssuedJun 21, 2017 – Jul 25, 2017
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
Replace 50 gallon electric water heater in the basement. Same size and same location. — Replace Plumbing Fixtures(s)
We are upgrading an electrical main service panel at this address. We will install a new 200 Amp rated main service panel in the same location as the existing main service panel. There is no changes to the customer's loads or anything else at the site. — Service Upgrade
Generator
Add Mud Rm, Laundry Rm, Half Bth (To Main House That Burned Down) T.D. 4/24/18
P V Sys 7.09 K W - Express
Fire Dam Rpr - Rmdl Complete Int & Ext T.D. 7/25/17
Fire Damage Demo J# 4w394
Fire Dam Rmdl
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
666.17 acres
Assessor's classification for assessment purposes. This is not zoning.
961 SAN ANTONIO RD
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026
Search by parcel number 125-120-01. Assessed value is not market value.
Search by parcel number 125-120-01 (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.
| Quattro Solar | Electrical / panel | 1 on parcel1 in ½ mi | $3,800 | 0 vs 0 prior |
| Rite Rooter Plumbing | Plumbing / water heater / sewer | 1 on parcel1 in ½ mi | $1,000 | 0 vs 0 prior |
| 130 |
| 11d |
| 55d |
| 106d |
| 261d |
| 80d(vs 56d prior) |
| Addition (adds square footage)On this parcel | 316 | 103d | 160d | 249d | 440d | 157d(vs 167d prior) |
| Remodel / interior alterationOn this parcel | 1,054 | 36d | 83d | 148d | 266d | 112d(vs 77d prior) |
| Commercial tenant improvement | 81 | 99d | 148d | 233d | 443d | 152d(vs 150d prior) |
| Solar / battery storageOn this parcel | 2,977 | 0d | 0d | 0d | 2d | 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.