33 Wellington Ave
San Anselmo 94960 · Ross · Coordinates: 37.96983, -122.55728
Parcel & Assessor
- Lot size:
- 13,242 sq ft (0.30 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 33 WELLINGTON AVE; 33 WELLINGTON AVE UNIT 33 A
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 13,242 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 06041C0456F, 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: $1,539,000 – $2,083,000 · 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)
14 active or recent development projects (16 housing units across completed, permitted, and pipeline stages) and 1 total building permits recorded within ½ mile.
- Adds housing (ADU)1 permit (1 units)
Developments Deserving Closer Investigation & Active Area Builders
- 33 Wellington (Entitled)On this parcel
Active in "Entitled" for 2.2 yr (first record Aug 28, 2024) with no new permit activity recorded in 2.2 yr.
- 33 Welington (Issued)On this parcel
Active in "Issued" for 2.2 yr (first record Aug 28, 2024) with no new permit activity recorded in 2.2 yr.
- 25 new homes (Issued)0.47 mi W
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).
- 12 Garden (Issued)370 ft SW
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, 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 2024, 2025).