10021 State Route 1
Olema 94950 · Olema · Unincorporated Marin · Coordinates: 38.04067, -122.78856
Executive Verdict · Public-Records Synthesis
Zoned C-VCR in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA AE flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) / Alquist-Priolo fault due diligence; benchmark value $1,393,000 ($1,184,000–$1,602,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone C-VCR allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ 7 documented municipal building permits on file
On-parcel permit history is indexed through Jul 29, 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)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (AE, about 49% of the lot of lot)
Zone AE: 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)
- ! CAL FIRE Moderate Fire Hazard Severity Zone (State Responsibility Area) (all of the lot of lot)
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)
- ! Alquist-Priolo Earthquake Fault Zone (all of the lot of lot)
Intersects a State-mapped surface fault rupture zone. Adding habitable structures or subdividing typically requires a site-specific geologic fault investigation.
Source: California Geological Survey Alquist-Priolo Zones
- ! 2 slow or stalled nearby projects within ½ mile
Closest lead: Demolition at 9787 State Route (0.27 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)
Parcel & Assessor
- Lot size:
- 40,293 sq ft (0.93 ac)
- Assessor use:
- Commercial - Improved
- Addresses on lot:
- 10021 STATE ROUTE 1; 10025 STATE ROUTE 1
Zoning & Land Use
C-VCR — Village Commercial Residential (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned C-VCR (mixed use): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned C-VCR (mixed use), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned C-VCR (mixed use), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (about 49% of the lot); Zone AE: regulatory floodway (Special Flood Hazard Area) (about 45% of the lot); Zone X: minimal flood hazard (about 6% of the lot) · FIRM panel 06041C0241D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Alquist-Priolo Earthquake Fault Zone (Inverness quadrangle) (all of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,184,000 – $1,602,000 · Status: Off market
HUD Small Area FMR (ZIP 94950) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Nearby Activity (½ mile radius, since November 2024)
0 active or recent development projects and 7 total building permits recorded within ½ mile.
- Additions & renovations1 permit
- Building systems5 permits
Developments Deserving Closer Investigation & Active Area Builders
- Demolition at 9787 State Route (Applied)0.27 mi SE
In "Applied" for 4.9 yr (since Dec 1, 2021), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
- Demolition at 9775 State Route (Applied)0.29 mi SE
In "Applied" for 2.6 yr (since Apr 9, 2024), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
Entity-resolved builders & contractors in ½ mile: Pioneer Electric And Telecom (4 on parcel, 4 in ½ mi · Electrical / panel); Mw General Construction (1 on parcel, 1 in ½ mi · Commercial tenant improvement); Nc Roofing Solution (1 on parcel, 1 in ½ mi · Roof replacement); Marin Mechanical Ii (1 on parcel, 1 in ½ mi · HVAC / heat pump); Bic Construction (2 in ½ mi · Commercial tenant improvement).
Permit & Project History on This Parcel (7 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B47657 | Roof replacement | Issued | Iss. Jul 29, 2026 | $42,000 | ReRoofing |
| 164561 | Commercial tenant improvement | Issued | Iss. Apr 17, 2020 | $92,000 | Fire Damage Repair Olema House |
| B11293 | Electrical / panel | Issued | Iss. Oct 29, 2016 | $12,642 | Rooms 9,10,11,14,15,16 Electrical upgrades to existing — Replace Circuits / Outlets |
| B11292 | Electrical / panel | Issued | Iss. Oct 29, 2016 | $7,621 | Units 17,18,19 Replace Circuits, outlets — Replace Circuits / Outlets |
| B11268 | Electrical / panel | Issued | Iss. Oct 25, 2016 | $6,321 |