3027 California St
Oakland 94602 · Upper Diamond · Oakland · Coordinates: 37.79910, -122.20222
Parcel & Assessor
- Lot size:
- 4,036 sq ft (0.09 ac)
- Assessor use:
- 2 units, SFR with detached accessory dwelling unit
- Tax rate area:
- 17
- Addresses on lot:
- 3027 CALIFORNIA ST; 3029 CALIFORNIA ST
Zoning & Land Use
RD (Oakland)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RD (single-family residential): state law allows ADUs where homes are allowed. We read RD from the zoning code's name; we haven't checked it against Oakland's code text.
- SB 9: two homes on the lotLikely eligible
Zoned RD, a single-family residential zone. We read RD from the zoning code's name; we haven't checked it against Oakland's code text.
- SB 9: split into two lotsLikely eligible
Zoned RD, a single-family residential zone. We read RD from the zoning code's name; we haven't checked it against Oakland's code text. The lot is 4,036 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 06001C0087H, effective May 26, 2026
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,148,000 – $1,462,000 · Status: Off market
HUD Small Area FMR (ZIP 94602) · FY 2026
Studio $1,770 · 1BR $1,990 · 2BR $2,420 · 3BR $3,090 · 4BR $3,670
Nearby Activity (½ mile radius, since —)
25 active or recent development projects (25 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- CAT 1 ADU @ 3027 California St (Entitled)On this parcel
Active in "Entitled" for 4.1 yr (first record Sep 22, 2022) with no new permit activity recorded in 4.1 yr.
- Category 1 Accessory Dwelling Unit (ADU) (Issued)270 ft S
Active in "Issued" for 3.2 yr (first record Aug 8, 2023) with no new permit activity recorded in 3.2 yr.
- DRX - ADU Cat 2 (Issued)460 ft SE
Active in "Issued" for 20 mo (first record Mar 12, 2025) with no new permit activity recorded in 20 mo.
- Design Review Exemption for Cat 2 ADU with SFD (Issued)0.12 mi NW
Active in "Issued" for 3.4 yr (first record Jun 13, 2023) with no new permit activity recorded in 3.4 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 2022, 2023, 2024).