141 A Goodhill Rd
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95171, -122.55482
Executive Verdict · Public-Records Synthesis
Zoned RSP-1 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 $2,749,000 ($2,419,000–$3,079,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned RSP-1 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 55,626 sq ft lot. Local precedent is active with 1 ADU permit within ¼ mile over the last 36 months.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$280,100 contributory est.)
Public building records show issued construction/renovation work on this parcel (6 total permits, latest Nov 1, 2024).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Kentfield
104 substantial renovation & housing permits over 24 months (41.3 per 1,000 parcels vs. 16.4 citywide baseline) (#7 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Kentfield)
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
Accessory dwelling unit at 141 Goodhill Rd (aka 141a): Active in "Issued" for 3.5 yr (first record May 19, 2023) with no new permit activity recorded in 3.1 yr.
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 432 Woodland Rd (0.46 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:
- 55,626 sq ft (1.28 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 141A GOODHILL RD; 141 GOODHILL RD
Zoning & Land Use
RSP-1 — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RSP-1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RSP-1, a single-family residential zone. The lot is 55,626 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 06041C0458F, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $2,419,000 – $3,079,000 · Status: Off market
HUD Small Area FMR (ZIP 94904) · FY 2026
Studio $2,260 · 1BR $2,710 · 2BR $3,280 · 3BR $4,190 · 4BR $4,340
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 141 Goodhill Rd (aka 141a) (Issued)On this parcel
Active in "Issued" for 3.5 yr (first record May 19, 2023) with no new permit activity recorded in 3.1 yr.
- Accessory dwelling unit at 432 Woodland Rd (Applied)0.46 mi W
In "Applied" for 2.6 yr (since Apr 12, 2024), 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, $1,250,000 declared valuation across 1 permit).
- Accessory dwelling unit at 625 College Ave (a D U 627) (Issued)0.28 mi E
Active in "Issued" for 3.9 yr (first record Dec 7, 2022) with no new permit activity recorded in 3 yr. High-impact scale (1 housing unit, $4,500,000 declared valuation across 1 permit).
- Accessory dwelling unit at 31 N Ridgewood Rd (adu 31a) (Issued)0.29 mi W
Active in "Issued" for 20 mo (first record Feb 28, 2025) with no new permit activity recorded in 16 mo. High-impact scale (1 housing unit, $750,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Tembrock Ingrassia Builders Dba Bayside Builders (1 on parcel, 1 in ½ mi · Accessory dwelling unit (new or conversion)); Jaj Roofing (1 on parcel, 1 in ½ mi · Solar / battery storage); Luminalt Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Quevedo Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Bayside Builders Group (1 on parcel, 1 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (6 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B40046 | Solar / battery storage | Issued | Iss. Nov 1, 2024 | $70,340 | Install new 4 batteries/54KWH ESS, new 200A backup subpanel, and new 125A ESS subpanel |
| B38228 | Roof replacement | Issued | Iss. May 30, 2024 | $47,800 | Re-roofing of 5805 Sq ft of asphalt shingles — ReRoofing |
| 175105 | Accessory dwelling unit (new or conversion) | Issued | Iss. Oct 3, 2023 | $360,000 | New Detached A D U T.D. 9-14-23 |
| 174830 | Remodel / interior alteration | Issued | Iss. Aug 24, 2023 | $45,000 |