1820 57th Ave
Oakland 94621 · Seminary · Oakland · Coordinates: 37.76806, -122.19770
Parcel & Assessor
- Lot size:
- 16,110 sq ft (0.37 ac)
- Assessor use:
- Two, three or four single family homes
- Tax rate area:
- 17
- Addresses on lot:
- 1820 57TH AVE
Zoning & Land Use
RM-4 (Oakland)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RM-4 (multifamily residential): state law allows ADUs where homes are allowed. We read RM-4 from the zoning code's name; we haven't checked it against Oakland's code text. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RM-4 (multifamily residential), not a single-family residential zone. We read RM-4 from the zoning code's name; we haven't checked it against Oakland's code text.
- SB 9: split into two lotsUnlikely
Zoned RM-4 (multifamily residential), not a single-family residential zone. We read RM-4 from the zoning code's name; we haven't checked it against Oakland's code text.
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: 0.2% annual chance flood hazard (shaded X) (about 2% of the lot); Zone X: minimal flood hazard (about 98% of the lot) · FIRM panel 06001C0089J, 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: $438,000 – $558,000 · Status: Off market
HUD Small Area FMR (ZIP 94621) · FY 2026
Studio $1,750 · 1BR $1,990 · 2BR $2,420 · 3BR $3,090 · 4BR $3,670
Developments Deserving Closer Investigation & Active Area Builders
- New home (Entitled)On this parcel
Active in "Entitled" for 3.5 yr (first record Apr 26, 2023) with no new permit activity recorded in 3.5 yr.
- 61 live/work units (Entitled)0.25 mi SW
Active in "Entitled" for 2.8 yr (first record Jan 22, 2024) with no new permit activity recorded in 2.8 yr. High-impact scale (61 housing units across 0 permits).
- Cat 2 Adu, D, Sfd (Entitled)290 ft SW
Active in "Entitled" for 3.7 yr (first record Feb 8, 2023) with no new permit activity recorded in 3.7 yr.
- New home (Issued)0.12 mi S
Active in "Issued" for 23 mo (first record Nov 25, 2024) with no new permit activity recorded in 23 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 2023).