20 Wharf Rd
Bolinas 94924 · Bolinas · Unincorporated Marin · Coordinates: 37.90907, -122.68533
Executive Verdict · Public-Records Synthesis
Zoned C-VCR in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) / Alquist-Priolo fault due diligence; benchmark value $2,205,000 ($1,940,000–$2,470,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone C-VCR allows residential use qualifying for ministerial ADU review under state law (4 ADU permits permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$14,216 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Jan 8, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
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 High 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
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 52 Crescente Ave (0.15 mi S, 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:
- 24,611 sq ft (0.56 ac)
- Assessor use:
- Exemption - Improved
- Addresses on lot:
- 20 WHARF RD
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
- High Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0441E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Alquist-Priolo Earthquake Fault Zone (Bolinas quadrangle) (all of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,940,000 – $2,470,000 · Status: Off market
HUD Small Area FMR (ZIP 94924) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- New home at 52 Crescente Ave (Applied)0.15 mi S
In "Applied" for 2.3 yr (since Jul 11, 2024), 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, $2,750,000 declared valuation across 1 permit).
- New commercial building at 72 Wharf Rd (Issued)0.11 mi NE
Active in "Issued" for 5.5 yr (first record May 13, 2021) with no new permit activity recorded in 3.1 yr. High-impact scale ($1,980,000 declared valuation across 2 permits).
- New home at 342 Seadrift Rd (Issued)0.48 mi E
Active in "Issued" for 8 yr (first record Nov 8, 2018) with no new permit activity recorded in 7.8 yr. High-impact scale (1 housing unit, $1,200,000 declared valuation across 1 permit).
- Demolition at 32 Crescente Ave (Applied)410 ft S
In "Applied" for 11.1 yr (since Oct 22, 2015), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
Entity-resolved builders & contractors in ½ mile: Nemec Construction (1 on parcel, 2 in ½ mi · Addition (adds square footage)); Sun First (1 on parcel, 1 in ½ mi · Solar / battery storage); Golden Heights Remodeling (1 on parcel, 1 in ½ mi · Roof replacement); Eco Performance Builders (1 on parcel, 1 in ½ mi · HVAC / heat pump); Owner Builder (8 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B45392 | Plumbing / water heater / sewer | Issued | Iss. Jan 8, 2026 | $30,000 | Remodel of Bathroom — Replace Circuits / Outlets; Replace Plumbing Fixtures(s); Siding Replacement, Non-structural Door/… |
| B45178 | Roof replacement | Issued | Iss. Dec 15, 2025 | $10,000 | Full residential reroof (approx. 585 SqFt tear-off of 1 layer). Scope includes new plywood decking, flashing, GAF HDZ RS… |
| 167193 | Solar / battery storage | Issued | Iss. Feb 19, 2021 | $39,490 | 10kw Rooftop Photovoltaic |
| B20982 | HVAC / heat pump | Issued | Iss. Feb 4, 2020 | $9,000 | <p>HVAC equipment with 2 duck less mini split heat pump system. </p><p>water heater replacement with heat pump water hea… |