4351 Santa Rita Rd
El Sobrante 94803 · Unincorporated Contra Costa · Coordinates: 37.97250, -122.29977
Parcel & Assessor
- Lot size:
- 40,511 sq ft (0.93 ac)
- Assessor use:
- Single Family, 2 or more residences on 1 or more site
- Tax rate area:
- 85002
- Addresses on lot:
- 4351 SANTA RITA RD
Zoning & Land Use
R-7 — Single Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-7 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-7, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-7, a single-family residential zone. The lot is 40,511 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: minimal flood hazard (all of the lot) · FIRM panel 06013C0231G, 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: $688,000 – $930,000 · Status: Off market
HUD Small Area FMR (ZIP 94803) · FY 2026
Studio $2,020 · 1BR $2,240 · 2BR $2,740 · 3BR $3,500 · 4BR $4,150
Nearby Activity (½ mile radius, since November 2024)
14 active or recent development projects (14 housing units across completed, permitted, and pipeline stages) and 57 total building permits recorded within ½ mile.
- Adds housing (ADU)5 permits (5 units)
- Additions & renovations5 permits
- Building systems38 permits
- Repairs1 permit
- Other8 permits
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)On this parcel
Active in "Issued" for 2.4 yr (first record May 31, 2024) with no new permit activity recorded in 2.4 yr.
- New home (Entitled)460 ft E
Active in "Entitled" for 3.9 yr (first record Dec 13, 2022) with no new permit activity recorded in 3.9 yr.
- New home (Issued)0.11 mi SW
Active in "Issued" for 3.7 yr (first record Mar 8, 2023) with no new permit activity recorded in 3.7 yr.
- Garage Conversion - ADU (Entitled)0.15 mi SE
Active in "Entitled" for 15 mo (first record Aug 21, 2025) with no new permit activity recorded in 15 mo.
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 2024).