518 Putnam St
Antioch 94509 · Antioch · Coordinates: 37.99427, -121.81240
Parcel & Assessor
- Lot size:
- 6,623 sq ft (0.15 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 01135
- Addresses on lot:
- 518 PUTNAM ST
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 Antioch.
- SB 9: two homes on the lotCan't tell
We don't have a zoning map for Antioch.
- SB 9: split into two lotsCan't tell
We don't have a zoning map for Antioch.
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 06013C0331F, effective June 16, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $460,000 – $622,000 · Status: Off market
HUD Small Area FMR (ZIP 94509) · FY 2026
Studio $1,750 · 1BR $1,990 · 2BR $2,420 · 3BR $3,090 · 4BR $3,670
Nearby Activity (½ mile radius, since —)
11 active or recent development projects (11 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 (Issued)0.24 mi SE
Active in "Issued" for 14 mo (first record Sep 9, 2025) with no new permit activity recorded in 14 mo.
- New home (Issued)0.24 mi NE
Active in "Issued" for 17 mo (first record Jun 3, 2025) with no new permit activity recorded in 17 mo.
- New home (Issued)0.37 mi N
Active in "Issued" for 2 yr (first record Nov 6, 2024) with no new permit activity recorded in 2 yr.
- New home (Issued)0.41 mi NE
Active in "Issued" for 15 mo (first record Jul 23, 2025) with no new permit activity recorded in 15 mo.
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 2025).