650 La Casa Via
Walnut Creek 94598 · Unincorporated Contra Costa · Coordinates: 37.90396, -122.03116
Parcel & Assessor
- Lot size:
- 47,916 sq ft (1.10 ac)
- Assessor use:
- Single Family, 2 or more residences on 1 or more site
- Tax rate area:
- 79029
- Addresses on lot:
- 650 LA CASA VIA
Zoning & Land Use
R-40 — Single Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-40 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-40, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-40, a single-family residential zone. The lot is 47,916 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
- High Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06013C0294G, 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: $1,297,000 – $1,755,000 · Status: Off market
HUD Small Area FMR (ZIP 94598) · FY 2026
Studio $2,850 · 1BR $3,180 · 2BR $3,880 · 3BR $4,960 · 4BR $5,880
Nearby Activity (½ mile radius, since —)
3 active or recent development projects (3 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- 2 new homes (Issued)On this parcel
Active in "Issued" for 3.3 yr (first record Aug 1, 2023) with no new permit activity recorded in 3.3 yr.
- 2 new homes (Entitled)On this parcel
Active in "Entitled" for 3.3 yr (first record Aug 1, 2023) with no new permit activity recorded in 3.3 yr.
- New home (Entitled)0.1 mi NE
Active in "Entitled" for 7.4 yr (first record Jun 10, 2019) with no new permit activity recorded in 7.4 yr.
- New home (Issued)0.11 mi NE
Active in "Issued" for 3.3 yr (first record Jul 12, 2023) with no new permit activity recorded in 3.3 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: 2 entries (report years 2023, 2024).