2 Osprey Trl
San Geronimo 94963 · San Geronimo Valley · Unincorporated Marin · Coordinates: 38.00941, -122.65102
Executive Verdict · Public-Records Synthesis
Zoned RSP-0.05-SGV 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 $1,340,000 ($1,179,000–$1,501,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned RSP-0.05-SGV supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 78,974 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through Aug 9, 2022, 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)
- ! Delayed or open permit activity on this parcel
New home at 2 Osprey Trl: Active in "Issued" for 14.6 yr (first record Mar 27, 2012) with no new permit activity recorded in 12.7 yr.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 3 slow or stalled nearby projects within ½ mile
Closest lead: Demolition at 0 Sylvan Way (0.25 mi E, 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:
- 78,974 sq ft (1.81 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 2 OSPREY TRL
Zoning & Land Use
RSP-0.05-SGV — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-0.05-SGV (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RSP-0.05-SGV, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RSP-0.05-SGV, a single-family residential zone. The lot is 78,974 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: $1,179,000 – $1,501,000 · 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
- New home at 2 Osprey Trl (Issued)On this parcel
Active in "Issued" for 14.6 yr (first record Mar 27, 2012) with no new permit activity recorded in 12.7 yr.
- New garage / accessory structure (90199) (Applied)On this parcel
Pending in review for 4.3 yr (9.5× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
- New single-family home (141598) (Issued)On this parcel
Issued after 23 mo (2.7× the 253d median) — slower than 90% of new single-family home permits in Unincorporated Marin (median 253d, 90th pct 686d, n=121).
- Demolition at 0 Sylvan Way (Applied)0.25 mi E
In "Applied" for 2.6 yr (since Apr 22, 2024), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
Entity-resolved builders & contractors in ½ mile: Ralph D Bruinsslot (1 on parcel, 1 in ½ mi · New single-family home); Owner (5 in ½ mi · New garage / accessory structure); Juan Calmell (3 in ½ mi · New single-family home); Fontana Construction (3 in ½ mi · Remodel / interior alteration); Owner Builder (3 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 90199 | New garage / accessory structure | Applied | App. Aug 9, 2022 | $80,000 | Addition; [N] Roof Covering Decks |
| 141598 | New single-family home | Issued | Iss. Feb 18, 2014 | $318,000 | Single Family Residence T.D. 5/23/12 Extend To 04/05/14 |