28 Walnut Ave
Ross 94957 · Ross · Coordinates: 37.96314, -122.56583
Parcel & Assessor
- Lot size:
- 15,159 sq ft (0.35 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 28 WALNUT AVE
Zoning & Land Use
R-1_B-10 — SINGLE FAMILY RESIDENTIAL (Ross)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-1_B-10 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-1_B-10, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-1_B-10, a single-family residential zone. The lot is 15,159 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 (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0454E, effective March 17, 2014
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $3,970,000 – $5,371,000 · Status: Off market
HUD Small Area FMR (ZIP 94957) · FY 2026
Studio $3,110 · 1BR $3,730 · 2BR $4,510 · 3BR $5,760 · 4BR $5,970
Nearby Activity (½ mile radius, since October 2024)
13 active or recent development projects (13 housing units across completed, permitted, and pipeline stages) and 1 total building permits recorded within ½ mile.
- Building systems1 permit
Developments Deserving Closer Investigation & Active Area Builders
- 28 Walnut (Issued)On this parcel
Active in "Issued" for 3.4 yr (first record May 25, 2023) with no new permit activity recorded in 3.4 yr.
- 147 Lagunitas (Issued)0.32 mi SE
Active in "Issued" for 3.7 yr (first record Feb 28, 2023) with no new permit activity recorded in 3.7 yr. High-impact scale (1 housing unit, 1 deed-restricted affordable across 0 permits).
- 5 new homes (Entitled)0.48 mi N
Active in "Entitled" for 2.3 yr (first record Jul 2, 2024) with no new permit activity recorded in 2.3 yr. High-impact scale (5 housing units across 0 permits).
- 196 Lagunitas (Entitled)0.11 mi SW
Active in "Entitled" for 3.5 yr (first record Apr 19, 2023) with no new permit activity recorded in 3.5 yr.
Permit & Project History on This Parcel (0 permits, 2 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 2 entries (report years 2023, 2025).