30 Forrest Ct
San Anselmo 94960 · Sleepy Hollow · Unincorporated Marin · Coordinates: 38.00133, -122.57706
Executive Verdict · Public-Records Synthesis
Zoned R1-BD in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,009,000 ($1,768,000–$2,250,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-BD supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 45,956 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
- ✓ Documented permitted upgrades (+$12,089 contributory est.)
Public building records show issued construction/renovation work on this parcel (10 total permits, latest Aug 12, 2021).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Sleepy Hollow
32 substantial renovation & housing permits over 24 months (32.7 per 1,000 parcels vs. 16.4 citywide baseline) (#4 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Sleepy Hollow)
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 Moderate 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 garage / accessory structure (84468): Pending in review for 7.1 yr (15.8× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 2 slow or stalled nearby projects within ½ mile
Closest lead: New home at 830 Butterfield Rd (0.19 mi NE, 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)
Parcel & Assessor
- Lot size:
- 45,956 sq ft (1.06 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 30 FORREST CT
Zoning & Land Use
R1-BD — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-BD (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-BD, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-BD, a single-family residential zone. The lot is 45,956 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
- Moderate 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 06041C0289D, 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: $1,768,000 – $2,250,000 · Status: Off market
HUD Small Area FMR (ZIP 94960) · FY 2026
Studio $2,510 · 1BR $3,010 · 2BR $3,640 · 3BR $4,650 · 4BR $4,820
Developments Deserving Closer Investigation & Active Area Builders
- New garage / accessory structure (84468) (Applied)On this parcel
Pending in review for 7.1 yr (15.8× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
- General repair (80921) (Applied)On this parcel
Pending in review for 9.1 yr (39.8× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
- Accessory dwelling unit (new or conversion) (80920) (Applied)On this parcel
Pending in review for 9.1 yr (16.2× the 204d median) — slower than 90% of accessory dwelling unit (new or conversion) permits in Unincorporated Marin (median 204d, 90th pct 549d, n=298).
- New home at 830 Butterfield Rd (Issued)0.19 mi NE
Active in "Issued" for 8.3 yr (first record Aug 9, 2018) with no new permit activity recorded in 7.6 yr. High-impact scale (1 housing unit, $1,097,000 declared valuation across 2 permits).
Entity-resolved builders & contractors in ½ mile: Build Acme (1 on parcel, 1 in ½ mi · New single-family home); Herbs Pool Service (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Semper Solaris (1 on parcel, 1 in ½ mi · Solar / battery storage); Semper Solaris Construction (1 on parcel, 1 in ½ mi · Other); Owner Builder (30 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (10 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B26614 | Other | Issued | Iss. Aug 12, 2021 | $27,800 | Installation of 1 Tesla Powerwall, 1 125A Selected Load Center and 1 Tesla Backup Gateway. |
| 166980 | Solar / battery storage | Issued | Iss. Jan 27, 2021 | $33,580 | 9.2kw Rooftop Photovoltaic |
| 164013 | Plumbing / water heater / sewer | Issued | Iss. Jan 22, 2020 | $39,623 | Remodel/Replaster Pool. To Include New Wtr Line |
| 84468 | New garage / accessory structure | Applied | App. Oct 17, 2019 | $75,000 | Parking Deck (Adu & Ret Wall Undr Sep Permit In Same Plan Set) |