259 Oak Rd
Alamo 94507 · Unincorporated Contra Costa · Coordinates: 37.83838, -121.99487
Parcel & Assessor
- Lot size:
- 50,094 sq ft (1.15 ac)
- Assessor use:
- Single Family, 2 or more residences on 1 or more site
- Tax rate area:
- 66009
- Addresses on lot:
- 259 OAK RD
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 50,094 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 06013C0453G, 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: $2,399,000 – $3,245,000 · Status: Off market
HUD Small Area FMR (ZIP 94507) · FY 2026
Studio $2,610 · 1BR $2,910 · 2BR $3,550 · 3BR $4,540 · 4BR $5,380
Nearby Activity (½ mile radius, since —)
12 active or recent development projects (15 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 8 yr (first record Nov 7, 2018) with no new permit activity recorded in 8 yr.
- New home (Entitled)490 ft NW
Active in "Entitled" for 5.7 yr (first record Feb 19, 2021) with no new permit activity recorded in 5.7 yr.
- 2 new homes (Entitled)0.17 mi NE
Active in "Entitled" for 2.6 yr (first record Mar 12, 2024) with no new permit activity recorded in 2.6 yr.
- New home (Issued)0.21 mi S
Active in "Issued" for 21 mo (first record Feb 1, 2025) with no new permit activity recorded in 21 mo.
Permit & Project History on This Parcel (0 permits, 3 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 5 entries (report years 2018, 2019, 2020).