51 Blue Ridge Rd
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.93806, -122.55665
Parcel & Assessor
- Lot size:
- 52,185 sq ft (1.20 ac)
- Assessor use:
- Single-Resid. - Unimproved
- Addresses on lot:
- 51 BLUE RIDGE 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. The assessor lists the lot as vacant: an ADU needs an existing or proposed main home.
- 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 52,185 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: $2,194,000 – $2,792,000 · 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 51 Blue Ridge Rd (Issued)On this parcel
Active in "Issued" for 16 mo (first record Jul 11, 2025) with no new permit activity recorded in 11 mo. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- Demolition at 15 Blue Ridge Rd (Issued)0.15 mi NE
Active in "Issued" for 3 yr (first record Oct 13, 2023) with no new permit activity recorded in 2.9 yr. High-impact scale ($871,339 declared valuation across 1 permit).
- New home at 70 Ridgecrest Rd (Issued)0.16 mi NE
Active in "Issued" for 8.3 yr (first record Jun 28, 2018) with no new permit activity recorded in 7.4 yr. High-impact scale (1 housing unit, $2,500,000 declared valuation across 1 permit).
- New home at 100 Black Log Rd (Applied)0.39 mi NE
Active in "Applied" for 10.7 yr (first record Feb 22, 2016) with no new permit activity recorded in 10.7 yr. High-impact scale (1 housing unit, $1,400,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 180543 | Pool / spa | Issued | Iss. Nov 20, 2025 | $50,000 | New Pool |
| 180542 | New garage / accessory structure | Issued | Iss. Nov 20, 2025 | $245,000 | Dining Arbor; Retaining Wall; Firepit; Automatic Vehicle Gate |
| 180541 | New single-family home | Issued | Iss. Nov 20, 2025 | $1,000,000 | Replace S F D With Larger; Garage; Covered Porch & Patio |
| B11583 | Plumbing / water heater / sewer | Issued | Iss. Dec 22, 2016 | $8,000 | Replace 2 water heaters — Replace Plumbing Fixtures(s) |