641 Mountain Blvd
Oakland 94611 · Glen Highlands · Oakland · Coordinates: 37.84347, -122.22381
Parcel & Assessor
- Lot size:
- 8,085 sq ft (0.19 ac)
- Assessor use:
- 2 units, SFR with detached accessory dwelling unit
- Tax rate area:
- 17
- Addresses on lot:
- 641 MOUNTAIN BLVD; 645 MOUNTAIN BLVD
Zoning & Land Use
RH-4 (Oakland)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-4 (single-family residential): state law allows ADUs where homes are allowed. We read RH-4 from the zoning code's name; we haven't checked it against Oakland's code text.
- SB 9: two homes on the lotPossible, with conditions
Zoned RH-4, a single-family residential zone. We read RH-4 from the zoning code's name; we haven't checked it against Oakland's code text. Alquist-Priolo Earthquake Fault Zone covers about 30% of the lot: the project must meet the seismic building standards, and a fault study is usually required.
- SB 9: split into two lotsPossible, with conditions
Zoned RH-4, a single-family residential zone. We read RH-4 from the zoning code's name; we haven't checked it against Oakland's code text. The lot is 8,085 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. Alquist-Priolo Earthquake Fault Zone covers about 30% of the lot: the project must meet the seismic building standards, and a fault study is usually required.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- 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
- Alquist-Priolo Earthquake Fault Zone (Oakland East quadrangle) (about 30% of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,652,000 – $2,102,000 · Status: Off market
HUD Small Area FMR (ZIP 94611) · FY 2026
Studio $2,160 · 1BR $2,400 · 2BR $2,930 · 3BR $3,750 · 4BR $4,440
Developments Deserving Closer Investigation & Active Area Builders
- New home (Entitled)On this parcel
Active in "Entitled" for 6.9 yr (first record Dec 4, 2019) with no new permit activity recorded in 6.9 yr.
- Cat 2 Adu, Sfd, D (Issued)310 ft SW
Active in "Issued" for 2.8 yr (first record Jan 18, 2024) with no new permit activity recorded in 2.8 yr.
- New home (Entitled)0.15 mi SE
Active in "Entitled" for 7.3 yr (first record Jul 25, 2019) with no new permit activity recorded in 7.3 yr.
- New home (Issued)0.15 mi N
Active in "Issued" for 2 yr (first record Nov 12, 2024) with no new permit activity recorded in 2 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: 4 entries (report years 2019, 2021, 2023).