26 Cameron St
Inverness 94937 · Inverness · Unincorporated Marin · Coordinates: 38.09994, -122.86081
Executive Verdict · Public-Records Synthesis
Zoned C-RSP-1 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 $1,727,000 ($1,520,000–$1,934,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone C-RSP-1 allows residential use qualifying for ministerial ADU review under state law (1 ADU permit permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$41,573 contributory est.)
Public building records show issued construction/renovation work on this parcel (3 total permits, latest Nov 3, 2025).
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
- ! Delayed or open permit activity on this parcel
Remodel / interior alteration (167784): Issued after 5 mo (2.0× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Parcel & Assessor
- Lot size:
- 12,850 sq ft (0.29 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 26 CAMERON ST
Zoning & Land Use
C-RSP-1 — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned C-RSP-1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned C-RSP-1, a single-family residential zone. Alquist-Priolo Earthquake Fault Zone covers all of the lot: the project must meet the seismic building standards, and a fault study is usually required.
- SB 9: split into two lotsPossible, with conditions
Zoned C-RSP-1, a single-family residential zone. The lot is 12,850 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. Alquist-Priolo Earthquake Fault Zone covers all of the lot: the project must meet the seismic building standards, and a fault study is usually required.
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 06041C0230E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Alquist-Priolo Earthquake Fault Zone (Inverness quadrangle) (all of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,520,000 – $1,934,000 · Status: Off market
HUD Small Area FMR (ZIP 94937) · FY 2026
Studio $2,400 · 1BR $2,870 · 2BR $3,480 · 3BR $4,450 · 4BR $4,610
Developments Deserving Closer Investigation & Active Area Builders
- New home at 60 Trossach Way (Applied)0.17 mi SW
In "Applied" for 5.9 yr (since Dec 15, 2020), 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, $1,400,000 declared valuation across 1 permit).
- Remodel / interior alteration (167784) (Issued)On this parcel
Issued after 5 mo (2.0× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
- New home at 179 Keith Way (Issued)0.31 mi NW
Active in "Issued" for 17 mo (first record Jun 9, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $1,160,000 declared valuation across 1 permit).
- Accessory dwelling unit at 125 Forres Way (Issued)0.16 mi SE
Active in "Issued" for 20 mo (first record Mar 14, 2025) with no new permit activity recorded in 19 mo.
Entity-resolved builders & contractors in ½ mile: Owner Builder (1 on parcel, 6 in ½ mi · Remodel / interior alteration); Earthwise Energy Solutions (1 on parcel, 1 in ½ mi · Solar / battery storage); Ea Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Stryker Builders (6 in ½ mi · New garage / accessory structure); Oakwood Construction (2 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B44639 | Solar / battery storage | Issued | Iss. Nov 3, 2025 | $35,123 | 4.6 kW Solar Project including a 13.5 kWh Battery System |
| B25797 | Electrical / panel | Issued | Iss. May 20, 2021 | $3,500 | 125 Amp Service Upgrade , Uffer ground , Replace damaged wiring on basement level - 8) lights , 10) plugs, 4) switches —… |
| 167784 | Remodel / interior alteration | Issued | Iss. Apr 14, 2021 | $60,000 | Kitchen Remodel, Window/Doors In Kind, Repair To Foundation T.D. 11-16-20 |