543 La Vista Rd
Walnut Creek 94598 · Unincorporated Contra Costa · Coordinates: 37.90035, -122.03576
Parcel & Assessor
- Lot size:
- 20,399 sq ft (0.47 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 98004
- Addresses on lot:
- 543 LA VISTA RD
Zoning & Land Use
R-20 — Single Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-20 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-20, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-20, a single-family residential zone. The lot is 20,399 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
- Moderate 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 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: $1,278,000 – $1,730,000 · 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 —)
5 active or recent development projects (5 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 6.7 yr (first record Feb 6, 2020) with no new permit activity recorded in 6.7 yr.
- New home (Issued)0.18 mi NW
Active in "Issued" for 3.2 yr (first record Aug 16, 2023) with no new permit activity recorded in 3.2 yr.
- 2 new homes (Issued)0.37 mi NE
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)0.37 mi NE
Active in "Entitled" for 3.3 yr (first record Aug 1, 2023) with no new permit activity recorded in 3.3 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 2020).