Petaluma 94952 · APN 100-060-29 · Unincorporated Marin
Zoned A40 in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence.
On-parcel permit history is indexed through Dec 2, 2024, 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)
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 (178105): Issued after 7 mo — 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)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
2 permits within ½ mile since November 2024
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
Insufficient area benchmark data
Closest lead: Mixed-use development at 1870 Fallon Two Rock Rd (0.44 mi E, issued). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
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 A40 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 8.6 yr (first record Apr 5, 2018), with no completion or new permit record in 7.1 yr. · 1 unit · $275,000 declared valuation
Other permit issued (178105)
Recorded status: Issued
Ag Exempt Livestock Barn · Declared valuation: $179,749 · Contractor: Precedent Construction
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Other permit application filed (178105)
Current status: Issued
Ag Exempt Livestock Barn · Declared valuation: $179,749 · Contractor: Precedent Construction
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit application filed (B31327)
Current status: Issued
ROOF MOUNTED SOLAR PHOTOVOLTAIC SYSTEM SIZE: 7.600 kW + INSTALLATION OF 1 ENPHASE ENCHARGE 3 + 1 ENPHASE ENCHARGE 10 BATTERY · Declared valuation: $38,000 · Contractor: American Array Solar Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit issued (B31327)
Recorded status: Issued
ROOF MOUNTED SOLAR PHOTOVOLTAIC SYSTEM SIZE: 7.600 kW + INSTALLATION OF 1 ENPHASE ENCHARGE 3 + 1 ENPHASE ENCHARGE 10 BATTERY · Declared valuation: $38,000 · Contractor: American Array Solar Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
EV charger permit application filed (B30536)
Current status: Issued
Replace existing 200 Amp main electrical panel with new, add one 220v dedicated 60 Amp circuit for electric vehicle with NEMA 14-50 outlet, add one 220v dedicated 30 amp circuit for electric kitchen oven with NEMA 14-50 outlet — New Circuits / Outlets, Service Upgrade · Declared valuation: $3,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
EV charger permit issued (B30536)
Recorded status: Issued
Replace existing 200 Amp main electrical panel with new, add one 220v dedicated 60 Amp circuit for electric vehicle with NEMA 14-50 outlet, add one 220v dedicated 30 amp circuit for electric kitchen oven with NEMA 14-50 outlet — New Circuits / Outlets, Service Upgrade · Declared valuation: $3,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Roof replacement permit application filed (B20118)
Current status: Issued
Remove existing roof down to sheathing. Prepare existing sheathing for new roof . Install Gaf Lifetime HD shingles — ReRoofing · Declared valuation: $17,225 · Contractor: Wedge Roofing Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Roof replacement permit issued (B20118)
Recorded status: Issued
Remove existing roof down to sheathing. Prepare existing sheathing for new roof . Install Gaf Lifetime HD shingles — ReRoofing · Declared valuation: $17,225 · Contractor: Wedge Roofing Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
1870 Fallon Two Rock Rd · 1 unit · $275,000 valuation
Records span Apr 5, 2018 to Sep 26, 2019 (2 permits).
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 →Issued after 7 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Active in "Issued" for 8.6 yr (first record Apr 5, 2018) with no new permit activity recorded in 7.1 yr.
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Precedent Construction | Other | 1 on parcel1 in ½ mi | $179,749 | 0 vs 0 prior |
| American Array Solar | Solar / battery storage | 1 on parcel1 in ½ mi | $38,000 | 0 vs 0 prior |
| Wedge Roofing | Roof replacement | 1 on parcel1 in ½ mi | $17,225 | 0 |
| 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) |
HUD Small Area Fair Market Rent · ZIP 94952
HUD FY 2026 · 40th-percentile gross rentArea 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 ($5,500/yr) + local voter-approved bond debt ($825/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.
−$15,584/yr
Cash needed: $121,000
NOI: $17,789/yr
P&I: $2,781/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 | −$1,643/mo | -16.3% | $5,054/mo | −$1,594/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,000/mo | −$1,299/mo | -12.9% | $4,678/mo | −$1,079/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 | −$1,101/mo | -10.9% | $4,569/mo | −$688/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.
Ag Exempt Livestock Barn
ROOF MOUNTED SOLAR PHOTOVOLTAIC SYSTEM SIZE: 7.600 kW + INSTALLATION OF 1 ENPHASE ENCHARGE 3 + 1 ENPHASE ENCHARGE 10 BATTERY
Replace existing 200 Amp main electrical panel with new, add one 220v dedicated 60 Amp circuit for electric vehicle with NEMA 14-50 outlet, add one 220v dedicated 30 amp circuit for electric kitchen oven with NEMA 14-50 outlet — New Circuits / Outlets, Service Upgrade
Remove existing roof down to sheathing. Prepare existing sheathing for new roof . Install Gaf Lifetime HD shingles — ReRoofing
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
4.33 acres
Assessor's classification for assessment purposes. This is not zoning.
2151 FALLON TWO ROCK RD
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026
Search by parcel number 100-060-29. Assessed value is not market value.
Search by parcel number 100-060-29 (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.
| Owner | EV charger | 1 on parcel1 in ½ mi | $3,000 | 25 vs 15 prior+67% |
| Owner Builder Recent nearby: 1870 Fallon Two Rock Rd (Sep 26, 2019) | New commercial / non-residential building | 2 in ½ mi | $390,000 | 226 vs 240 prior−6% |
| 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) |
| Solar / battery storageOn this parcel | 2,977 | 0d | 0d | 0d | 2d | 0d |
| EV chargerOn this parcel | 482 | 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.