241 Tamal Rd
Forest Knolls 94933 · Forest Knolls · Unincorporated Marin · Coordinates: 38.02217, -122.69361
Executive Verdict · Public-Records Synthesis
Zoned RA-B4-SGV in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $988,000 ($869,000–$1,107,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RA-B4-SGV allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ 3 documented municipal building permits on file
On-parcel permit history is indexed through Oct 24, 2016, 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: Accessory dwelling unit at 5 Barranca Rd (0.44 mi W, 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 (~$11,812/yr at $988,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$984/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:
- 44,083 sq ft (1.01 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 241 TAMAL RD; 245 TAMAL RD
Zoning & Land Use
RA-B4-SGV — Residential Agriculture (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RA-B4-SGV (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotCan't tell
Zoned RA-B4-SGV (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
- SB 9: split into two lotsCan't tell
Zoned RA-B4-SGV (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
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: $869,000 – $1,107,000 · Status: Off market
HUD Small Area FMR (ZIP 94933) · FY 2026
Studio $2,870 · 1BR $3,440 · 2BR $4,160 · 3BR $5,310 · 4BR $5,510
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 5 Barranca Rd (Applied)0.44 mi W
In "Applied" for 7.8 yr (since Feb 7, 2019), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home at 94 Tamal Rd (Issued)0.28 mi SE
Active in "Issued" for 11.7 yr (first record Feb 26, 2015) with no new permit activity recorded in 8.7 yr.
- New home at 42 Arroyo Rd (Issued)0.4 mi S
Active in "Issued" for 12.3 yr (first record Aug 11, 2014) with no new permit activity recorded in 11.8 yr.
- Demolition at 6956 Sir Francis Drake Blvd (Issued)0.47 mi S
Active in "Issued" for 2.8 yr (first record Jan 10, 2024) with no new permit activity recorded in 2.7 yr.
Entity-resolved builders & contractors in ½ mile: Shelter Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Ongaro Ernest And Sons (1 on parcel, 1 in ½ mi · HVAC / heat pump); Fenton B Culley Iv Electrical (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (3 in ½ mi · Accessory dwelling unit (new or conversion)); Owner (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 |
|---|---|---|---|---|---|
| B11253 | Electrical / panel | Issued | Iss. Oct 24, 2016 | $3,950 | Electrical service upgrade — Service Upgrade |
| 149482 | HVAC / heat pump | Issued | Iss. Oct 19, 2015 | $6,000 | Repl Furnace & Ducts |
| 148073 | Roof replacement | Issued | Iss. Jul 21, 2015 | $14,000 | Reroof |