6001 Sir Francis Drake Blvd
San Geronimo 94963 · San Geronimo Village · Unincorporated Marin · Coordinates: 38.01400, -122.66458
Executive Verdict · Public-Records Synthesis
Zoned R1-B2-SGV-HOD in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,380,000 ($1,214,000–$1,546,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-B2-SGV-HOD supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 54,014 sq ft lot. Local precedent is active with 3 ADU permits within ¼ mile over the last 36 months.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ 3 documented municipal building permits on file
On-parcel permit history is indexed through Apr 5, 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
- ! 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)
- ! 2 slow or stalled nearby projects within ½ mile
Closest lead: Demolition at 625 San Geronimo Valley Dr (0.16 mi W, 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)
- ! Year 1 Prop 13 tax reset (~$16,320/yr at $1,380,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,360/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Parcel & Assessor
- Lot size:
- 54,014 sq ft (1.24 ac)
- Assessor use:
- Exemption - Improved
- Addresses on lot:
- 6001 SIR FRANCIS DRAKE BLVD
Zoning & Land Use
R1-B2-SGV-HOD — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B2-SGV-HOD (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-B2-SGV-HOD, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B2-SGV-HOD, a single-family residential zone. The lot is 54,014 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 06041C0275D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,214,000 – $1,546,000 · Status: Off market
HUD Small Area FMR (ZIP 94963) · FY 2026
Studio $2,500 · 1BR $3,000 · 2BR $3,630 · 3BR $4,630 · 4BR $4,800
Developments Deserving Closer Investigation & Active Area Builders
- Demolition at 625 San Geronimo Valley Dr (Issued)0.16 mi W
Active in "Issued" for 4.9 yr (first record Dec 6, 2021) with no new permit activity recorded in 3.9 yr.
- Accessory dwelling unit at 320 Meadow Way (Applied)0.18 mi W
In "Applied" for 22 mo (since Jan 9, 2025), exceeding the 253d median and 456d 75th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Accessory dwelling unit at 567 San Geronimo Valley Dr (Applied)440 ft SW
work_desc changed to "Convert Existing Garage Space To A D U." in snapshot Oct 31, 2026.
- New home at 11 Deer Camp Dr (Applied)0.34 mi S
High-impact scale (1 housing unit, $1,400,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Gutierrez Roofing (2 on parcel, 2 in ½ mi · Roof replacement); Martinez Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Owner Builder (5 in ½ mi · Demolition); Dolan Construction (1 in ½ mi · New garage / accessory structure); Hanford Applied Restoration And Construction (1 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 |
|---|---|---|---|---|---|
| B46384 | Roof replacement | Issued | Iss. Apr 5, 2026 | $40,011 | ReRoofing; With Electronic Inspection |
| B42616 | Roof replacement | Issued | Iss. Jun 3, 2025 | $16,000 | RE ROOF. Remove existing roof layers Down to the sheeting and install class A composition shingles roof — ReRoofing; Wit… |
| B19702 | Roof replacement | Issued | Iss. Aug 29, 2019 | $12,000 | Tear off existing roof shingles and Install new roof shingles. — ReRoofing |