88 Ross Ave
San Anselmo 94960 · San Anselmo · Coordinates: 37.97166, -122.56544
Parcel & Assessor
- Lot size:
- 5,489 sq ft (0.13 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 88 ROSS AVE
Zoning & Land Use
R-3 — High Density Residential (San Anselmo)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-3 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned R-3 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned R-3 (multifamily residential), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (all of the lot) · FIRM panel 06041C0452E, 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: $1,437,000 – $1,945,000 · Status: Off market
HUD Small Area FMR (ZIP 94960) · FY 2026
Studio $2,510 · 1BR $3,010 · 2BR $3,640 · 3BR $4,650 · 4BR $4,820
Nearby Activity (½ mile radius, since October 2024)
20 active or recent development projects (25 housing units across completed, permitted, and pipeline stages) and 2 total building permits recorded within ½ mile.
- Adds housing (ADU)1 permit (1 units)
Developments Deserving Closer Investigation & Active Area Builders
- 25 new homes (Issued)410 ft S
Active in "Issued" for 5.8 yr (first record Jan 1, 2021) with no new permit activity recorded in 5.8 yr. High-impact scale (25 housing units across 0 permits).
- 5 new homes (Entitled)0.16 mi SE
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).
- 4 new homes (Entitled)0.21 mi N
Active in "Entitled" for 17 mo (first record Jun 2, 2025) with no new permit activity recorded in 17 mo. High-impact scale (4 housing units across 0 permits).
- 12 Garden (Issued)0.41 mi E
Active in "Issued" for 19 mo (first record Apr 4, 2025) with no new permit activity recorded in 19 mo. High-impact scale (1 housing unit, 1 deed-restricted affordable across 0 permits).
Permit & Project History on This Parcel (0 permits, 1 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 2024, 2025).