2023 1st Ave
Walnut Creek 94597 · Walnut Creek · Coordinates: 37.92353, -122.07907
Parcel & Assessor
- Lot size:
- 11,179 sq ft (0.26 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 09006
- Addresses on lot:
- 2023 1ST 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 Walnut Creek.
- SB 9: two homes on the lotCan't tell
We don't have a zoning map for Walnut Creek.
- SB 9: split into two lotsCan't tell
We don't have a zoning map for Walnut Creek.
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 06013C0287F, 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: $868,000 – $1,174,000 · Status: Off market
HUD Small Area FMR (ZIP 94597) · FY 2026
Studio $2,390 · 1BR $2,660 · 2BR $3,250 · 3BR $4,160 · 4BR $4,930
Nearby Activity (½ mile radius, since —)
10 active or recent development projects (16 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- Haven SFR Development (Entitled)0.31 mi SE
Active in "Entitled" for 20 mo (first record Mar 11, 2025) with no new permit activity recorded in 20 mo. High-impact scale (6 housing units, 1 deed-restricted affordable across 0 permits).
- Attached Adu (Issued)330 ft SE
Active in "Issued" for 2.3 yr (first record Jul 29, 2024) with no new permit activity recorded in 2.3 yr.
- SFR WITH ATTACHED ADU 688 sf (Issued)490 ft NE
Active in "Issued" for 6.4 yr (first record Jun 12, 2020) with no new permit activity recorded in 6.4 yr.
- SFR WITH ATTACHED ADU 746 sf (Issued)490 ft NE
Active in "Issued" for 6.4 yr (first record Jun 12, 2020) with no new permit activity recorded in 6.4 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 2025).