22 Rock Rd
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95345, -122.56162
Parcel & Assessor
- Lot size:
- 24,045 sq ft (0.55 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 22 ROCK 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 24,045 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: $2,215,000 – $2,819,000 · 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
- New home at 22 Rock Rd (Issued)On this parcel
Active in "Issued" for 4.3 yr (first record Jun 28, 2022) with no new permit activity recorded in 3.2 yr.
- New home at 37 N Ridgewood Rd (Issued)0.14 mi SE
Active in "Issued" for 11.3 yr (first record Jul 16, 2015) with no new permit activity recorded in 11 yr. High-impact scale (1 housing unit, $1,475,000 declared valuation across 1 permit).
- Accessory dwelling unit at 31 N Ridgewood Rd (adu 31a) (Issued)0.18 mi SE
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).
- New home at 75 Rock Rd (Issued)0.19 mi NE
Active in "Issued" for 2.2 yr (first record Aug 27, 2024) with no new permit activity recorded in 17 mo. High-impact scale (1 housing unit, $936,400 declared valuation across 1 permit).
Permit & Project History on This Parcel (8 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B44813 | Solar / battery storage | Issued | Iss. Nov 20, 2025 | $41,000 | Install a 7.085 kW solar system & 1 battery bank |
| B35827 | Solar / battery storage | Issued | Iss. Oct 19, 2023 | $50,000 | Install a 7.085 Kw roof-mounted solar |
| 174665 | New garage / accessory structure | Issued | Iss. Aug 2, 2023 | $75,000 | Poolhouee; Trellis, Storage |
| 174664 | General repair | Issued | Iss. Aug 2, 2023 | $150,000 | Retaining Walls |