115 Tamarack Rd
San Geronimo 94963 · San Geronimo Village · Unincorporated Marin · Coordinates: 38.01220, -122.68080
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 $1,239,000 ($1,090,000–$1,388,000).
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 105,807 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ 3 documented municipal building permits on file
On-parcel permit history is indexed through Jul 15, 2019, 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 70 Juniper Ave (0.18 mi SE, 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)
- ! Year 1 Prop 13 tax reset (~$14,699/yr at $1,239,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,225/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:
- 105,807 sq ft (2.43 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 115 TAMARACK RD
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 105,807 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: $1,090,000 – $1,388,000 · 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 70 Juniper Ave (Applied)0.18 mi SE
In "Applied" for 4 yr (since Nov 18, 2022), 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, $930,000 declared valuation across 1 permit).
- New home at 15 Fir Ave (Applied)0.31 mi E
In "Applied" for 5 yr (since Nov 1, 2021), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Demolition at 15 Fir Ave (Issued)0.31 mi E
Active in "Issued" for 10.3 yr (first record Aug 3, 2016) with no new permit activity recorded in 10.2 yr.
- Demolition at 395 Montezuma Ave (Issued)0.32 mi SW
Active in "Issued" for 10.7 yr (first record Feb 17, 2016) with no new permit activity recorded in 10.7 yr.
Entity-resolved builders & contractors in ½ mile: Perfect Lighting (2 on parcel, 2 in ½ mi · Electrical / panel); Owner Builder (13 in ½ mi · Accessory dwelling unit (new or conversion)); Owner (6 in ½ mi · New single-family home); Zia Designs (2 in ½ mi · Demolition); Bitzer (2 in ½ mi · Addition (adds square footage)).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 162054 | Electrical / panel | Issued | Iss. Jul 15, 2019 | $5,000 | Repl Wndw With Door; Add Landing & Light - Express |
| B13231 | Electrical / panel | Issued | Iss. Sep 7, 2017 | $5,000 | Replace existing knob & tube wiring. replace receptacles and lighting outlets. — Replace Circuits / Outlets |
| B11492 | Electrical / panel | Issued | Iss. Dec 6, 2016 | $3,500 | Electric service upgrade — Service Upgrade |