171 A Greenfield Ave
San Rafael 94901 · San Rafael · Coordinates: 37.97527, -122.54929
Parcel & Assessor
- Lot size:
- 8,364 sq ft (0.19 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 171A GREENFIELD AVE; 171 GREENFIELD AVE
Zoning & Land Use
R5 (San Rafael)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R5 (single-family residential): state law allows ADUs where homes are allowed. We read R5 from the zoning code's name; we haven't checked it against San Rafael's code text.
- SB 9: two homes on the lotLikely eligible
Zoned R5, a single-family residential zone. We read R5 from the zoning code's name; we haven't checked it against San Rafael's code text.
- SB 9: split into two lotsLikely eligible
Zoned R5, a single-family residential zone. We read R5 from the zoning code's name; we haven't checked it against San Rafael's code text. The lot is 8,364 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: $1,216,000 – $1,646,000 · Status: Off market
HUD Small Area FMR (ZIP 94901) · FY 2026
Studio $2,150 · 1BR $2,580 · 2BR $3,120 · 3BR $3,990 · 4BR $4,130
Nearby Activity (½ mile radius, since October 2024)
10 active or recent development projects (9 housing units across completed, permitted, and pipeline stages) and 4 total building permits recorded within ½ mile.
- New construction1 permit
Developments Deserving Closer Investigation & Active Area Builders
- New home (Entitled)On this parcel
Active in "Entitled" for 8.3 yr (first record Jun 29, 2018) with no new permit activity recorded in 8.3 yr.
- 10 E Crescent Dr #A.B.C.D (Issued)0.34 mi E
Active in "Issued" for 4.3 yr (first record Jun 27, 2022) with no new permit activity recorded in 4.3 yr. High-impact scale (4 housing units across 0 permits).
- New home (Issued)370 ft W
Active in "Issued" for 3.6 yr (first record Mar 29, 2023) with no new permit activity recorded in 3.6 yr.
- New home (Entitled)400 ft W
Active in "Entitled" for 6 yr (first record Oct 14, 2020) with no new permit activity recorded in 6 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: 3 entries (report years 2018, 2019).