939 Portal Ave
Oakland 94610 · Crocker Highland · Oakland · Coordinates: 37.81514, -122.23044
Parcel & Assessor
- Lot size:
- 4,139 sq ft (0.10 ac)
- Assessor use:
- Single family residential homes used as such
- Tax rate area:
- 17
- Addresses on lot:
- 939 PORTAL AVE; 941 PORTAL AVE
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 4,139 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 06001C0080G, effective August 3, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,205,000 – $1,533,000 · Status: Off market
HUD Small Area FMR (ZIP 94610) · FY 2026
Studio $2,180 · 1BR $2,430 · 2BR $2,970 · 3BR $3,800 · 4BR $4,500
Nearby Activity (½ mile radius, since —)
18 active or recent development projects (24 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- JADU 496 sq ft (Issued)On this parcel
Active in "Issued" for 14 mo (first record Sep 16, 2025) with no new permit activity recorded in 14 mo.
- JADU 496 sq ft (Entitled)On this parcel
Active in "Entitled" for 2.1 yr (first record Sep 13, 2024) with no new permit activity recorded in 2.1 yr.
- New home (Entitled)On this parcel
Active in "Entitled" for 7.5 yr (first record May 15, 2019) with no new permit activity recorded in 7.5 yr.
- New home (Issued)0.1 mi SE
Active in "Issued" for 3.1 yr (first record Oct 9, 2023) with no new permit activity recorded in 3.1 yr.
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: 3 entries (report years 2019, 2024, 2025).