210 Tamal Rd
Forest Knolls 94933 · Forest Knolls · Unincorporated Marin · Coordinates: 38.02188, -122.69251
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 $1,013,000 ($891,000–$1,135,000).
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
- ✓ Documented permitted upgrades (+$24,750 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Jul 19, 2017).
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
Remodel / interior alteration (150327): Issued after 7 mo (2.4× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 5 Barranca Rd (0.5 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)
Parcel & Assessor
- Lot size:
- 42,035 sq ft (0.96 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 210 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: $891,000 – $1,135,000 · 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
- Remodel / interior alteration (150327) (Issued)On this parcel
Issued after 7 mo (2.4× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
- Accessory dwelling unit at 5 Barranca Rd (Applied)0.5 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)0.23 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)0.38 mi S
Active in "Issued" for 12.3 yr (first record Aug 11, 2014) with no new permit activity recorded in 11.8 yr.
Entity-resolved builders & contractors in ½ mile: Owner Builder (1 on parcel, 4 in ½ mi · Addition (adds square footage)); Owner (2 on parcel, 3 in ½ mi · Addition (adds square footage)); Peterson Construction And Development (1 on parcel, 1 in ½ mi · Windows / doors / siding); Rebuilding Together East Bay Network (1 in ½ mi · Accessory dwelling unit (new or conversion)); Hope Construction (1 in ½ mi · New single-family home).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B12847 | Electrical / panel | Issued | Iss. Jul 19, 2017 | $475 | electric supply from house to septic control panel — New Circuits / Outlets |
| 151937 | Windows / doors / siding | Issued | Iss. May 11, 2016 | $2,800 | Shear Wall Plywood On Exterior Under Siding (151150)***Expired |
| 151150 | Windows / doors / siding | Issued | Iss. Mar 14, 2016 | $5,000 | Siding Replacement *Must Meet Wui Requirements - Owner Brought In Wui-Compliant Siding |
| 150327 | Remodel / interior alteration | Issued | Iss. Jan 6, 2016 | $75,000 | Rmdl Kit & Bath; Reloc Laundry & Expand Bedrm; Add Skylights; Repl Water Heater & Furnace; Add Skylights T.D. 7/13/15 |