557 Montclair Ave

Parcel & Assessor

Lot size:

7,502 sq ft (0.17 ac)

Assessor use:

Single family residential homes used as such

Tax rate area:

17

Addresses on lot:

557 MONTCLAIR AVE; 559 MONTCLAIR AVE

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 7,502 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 06001C0086J, effective May 26, 2026

CGS Alquist-Priolo Earthquake Fault Zone

Not in an Alquist-Priolo Earthquake Fault Zone

Surrounding Rent & Value Benchmarks (Public Records)

Nearby Activity (½ mile radius, since —)

22 active or recent development projects (131 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.