70 Oak Ridge Rd
San Rafael 94903 · Los Ranchitos · Unincorporated Marin · Coordinates: 37.99345, -122.54857
Executive Verdict · Public-Records Synthesis
Zoned A2-B4 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (local responsibility area) due diligence; benchmark value $1,566,000 ($1,378,000–$1,754,000).
Upsides & Opportunities
- ✓ 4 documented municipal building permits on file
On-parcel permit history is indexed through Mar 6, 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)
- ✓ Above-average reinvestment in Los Ranchitos
8 substantial renovation & housing permits over 24 months (45.7 per 1,000 parcels vs. 16.3 citywide baseline) (#17 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Los Ranchitos)
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 (Local 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 Mar 24, 2025)
- ! Delayed or open permit activity on this parcel
Other (174780): Issued after 2 mo — above the 75th percentile for other permits in Unincorporated Marin (median 0d, 75th pct 1d, n=1,562).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home (0.39 mi NE, entitled). 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:
- 67,866 sq ft (1.56 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 70 OAK RIDGE RD
Zoning & Land Use
A2-B4 — Agriculture Limited (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A2-B4 (agricultural): ADUs are allowed if the zone allows a home, which depends on the zone's rules.
- SB 9: two homes on the lotUnlikely
Zoned A2-B4 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A2-B4 (agricultural), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- High Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0456F, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,378,000 – $1,754,000 · Status: Off market
HUD Small Area FMR (ZIP 94903) · FY 2026
Studio $2,880 · 1BR $3,450 · 2BR $4,180 · 3BR $5,340 · 4BR $5,530
Developments Deserving Closer Investigation & Active Area Builders
- Other (174780) (Issued)On this parcel
Issued after 2 mo — above the 75th percentile for other permits in Unincorporated Marin (median 0d, 75th pct 1d, n=1,562).
- General repair (173167) (Issued)On this parcel
Issued after 6 mo (2.2× the 83d median) — above the 75th percentile for general repair permits in Unincorporated Marin (median 83d, 75th pct 181d, n=693).
- New home (Entitled)0.39 mi NE
In "Entitled" for 7.6 yr (since Apr 24, 2019), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home at 160 Cir Rd (Applied)0.41 mi E
In "Applied" for 4.7 yr (since Feb 28, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Entity-resolved builders & contractors in ½ mile: James S Clough Enterprises (1 on parcel, 1 in ½ mi · Other); Linscott Engineering Contractors (1 on parcel, 1 in ½ mi · General repair); Parra Plumbing (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Owner Builder (11 in ½ mi · New garage / accessory structure); Owner (3 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B37219 | Plumbing / water heater / sewer | Issued | Iss. Mar 6, 2024 | $750 | REPLACE SHOWER DRAIN AT SAME LOCATION IN THE PRIMARY BATHROOM — Replace Plumbing Fixtures(s) |
| 174780 | Other | Issued | Iss. Aug 18, 2023 | $41,925 | Replace/Expand (E) Deck; Relocate (E) Spa |
| 173167 | General repair | Issued | Iss. Jan 10, 2023 | $32,550 | Replace (E) Retaining Wall; Add Railing |
| 146654 | Plumbing / water heater / sewer | Issued | Iss. Apr 14, 2015 | $1,200 | Replace Section Of Gas Line |