23 Cedar Ave
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95728, -122.55256
Parcel & Assessor
- Lot size:
- 9,235 sq ft (0.21 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 23 CEDAR AVE; 25 CEDAR AVE
Zoning & Land Use
R1-B1 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned R1-B1, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AE) covers all of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned R1-B1, a single-family residential zone. The lot is 9,235 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AE) covers all of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (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: $2,225,000 – $2,831,000 · 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
- Demolition at 25 Cedar Ave (Issued)On this parcel
Active in "Issued" for 4.4 yr (first record May 31, 2022) with no new permit activity recorded in 4.4 yr.
- New home at 7 Cedar Ave (Issued)390 ft SE
Active in "Issued" for 7.6 yr (first record Mar 14, 2019) with no new permit activity recorded in 5.4 yr. High-impact scale (1 housing unit, $1,217,500 declared valuation across 2 permits).
- Accessory dwelling unit at 25 Cedar Ave (a D U 23 Cedar) (Finaled / completed)On this parcel
High-impact scale (1 housing unit, $1,400,000 declared valuation across 1 permit).
- Accessory dwelling unit at 66 Hanken Dr (adu 66a) (Issued)0.3 mi NE
Active in "Issued" for 3.1 yr (first record Sep 29, 2023) with no new permit activity recorded in 2.8 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (3 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B39087 | Solar / battery storage | Issued | Iss. Sep 7, 2024 | $15,900 | Install 3.69kw PV system, roof mounted 9 modules. |
| 175305 | Accessory dwelling unit (new or conversion) | Issued | Iss. Oct 25, 2023 | $1,400,000 | New S F D, Attached A D U, Garage, Deck, Driveway, Walkways, & Fencing |
| 171605 | Demolition | Issued | Iss. Jun 7, 2022 | $10,000 | Demolish Structure (B W O P) |
State HCD Housing Element APR records on this parcel: 4 entries (report years 2023, 2025).