1820 San Antonio Ave
Alameda 94501 · Alameda · Coordinates: 37.76638, -122.25638
Parcel & Assessor
- Lot size:
- 6,876 sq ft (0.16 ac)
- Assessor use:
- Single family res home with non-economic 2nd unit
- Tax rate area:
- 21
- Addresses on lot:
- 1818 SAN ANTONIO AVE; 1820 SAN ANTONIO AVE
Zoning & Land Use
No published city zoning district at parcel centroid.
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
We don't have a zoning map for Alameda.
- SB 9: two homes on the lotCan't tell
We don't have a zoning map for Alameda.
- SB 9: split into two lotsCan't tell
We don't have a zoning map for Alameda.
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 X: minimal flood hazard (all of the lot) · FIRM panel 06001C0069H, effective December 21, 2018
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $986,000 – $1,334,000 · Status: Off market
HUD Small Area FMR (ZIP 94501) · FY 2026
Studio $2,270 · 1BR $2,530 · 2BR $3,090 · 3BR $3,950 · 4BR $4,680
Nearby Activity (½ mile radius, since —)
18 active or recent development projects (24 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- New home (Entitled)On this parcel
Active in "Entitled" for 8.7 yr (first record Feb 21, 2018) with no new permit activity recorded in 8.7 yr.
- New home (Issued)160 ft N
Active in "Issued" for 5.1 yr (first record Oct 14, 2021) with no new permit activity recorded in 5.1 yr.
- New home (Issued)300 ft S
Active in "Issued" for 17 mo (first record Jun 18, 2025) with no new permit activity recorded in 17 mo.
- New home (Issued)0.12 mi SW
Active in "Issued" for 4.7 yr (first record Mar 2, 2022) with no new permit activity recorded in 4.7 yr.
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: 1 entry (report years 2018).