161 Circle Dr
Walnut Creek 94595 · Unincorporated Contra Costa · Coordinates: 37.89042, -122.06197
Parcel & Assessor
- Lot size:
- 13,224 sq ft (0.30 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 98002
- Addresses on lot:
- 161 CIRCLE DR
Zoning & Land Use
R-10 — Single Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-10 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-10, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-10, a single-family residential zone. The lot is 13,224 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
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: 0.2% annual chance flood hazard (shaded X) (all of the lot) · FIRM panel 06013C0293G, effective March 21, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $602,000 – $814,000 · Status: Off market
HUD Small Area FMR (ZIP 94595) · FY 2026
Studio $2,200 · 1BR $2,450 · 2BR $2,990 · 3BR $3,820 · 4BR $4,530
Nearby Activity (½ mile radius, since —)
6 active or recent development projects (7 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 3.2 yr (first record Aug 29, 2023) with no new permit activity recorded in 3.2 yr.
- Mt. Diablo Mixed Use (Entitled)0.48 mi N
Active in "Entitled" for 3.4 yr (first record Jun 8, 2023) with no new permit activity recorded in 3.4 yr. High-impact scale (30 housing units across 0 permits).
- New home (Issued)0.2 mi W
Active in "Issued" for 5.7 yr (first record Mar 4, 2021) with no new permit activity recorded in 5.7 yr.
- New home (Issued)0.2 mi W
Active in "Issued" for 5.7 yr (first record Mar 4, 2021) with no new permit activity recorded in 5.7 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 2023, 2024, 2025).