1221 C St
Antioch 94509 · Antioch · Coordinates: 38.00885, -121.80852
Parcel & Assessor
- Lot size:
- 8,326 sq ft (0.19 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 01135
- Addresses on lot:
- 1221 C 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 06013C0143G, effective September 30, 2015
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $468,000 – $633,000 · 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 —)
4 active or recent development projects (4 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)0.12 mi W
Active in "Issued" for 6.2 yr (first record Aug 20, 2020) with no new permit activity recorded in 6.2 yr.
- New home (Issued)0.13 mi SW
Active in "Issued" for 16 mo (first record Jun 25, 2025) with no new permit activity recorded in 16 mo.
- New home (Issued)0.17 mi W
Active in "Issued" for 6.4 yr (first record Jun 10, 2020) with no new permit activity recorded in 6.4 yr.
- Butler, Keith (Issued)0.25 mi SW
Active in "Issued" for 5.1 yr (first record Sep 17, 2021) with no new permit activity recorded in 5.1 yr.
Permit & Project History on This Parcel (0 permits, 0 grouped projects)
No building permits recorded on this parcel in our dataset.