709 40th St
Oakland 94609 · Longfellow · Oakland · Coordinates: 37.82975, -122.27002
Executive Verdict · Public-Records Synthesis
Zoned RM-4 in Oakland with likely ministerial ADU eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $1,355,000 ($1,192,000–$1,518,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RM-4 allows residential use qualifying for ministerial ADU review under state law.
Source: Oakland zoning · CA Gov. Code 66314
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
all of the lot of the parcel intersects Zone X: minimal flood hazard. Outside mandatory federal SFHA insurance rules, but check local drainage and finished-floor requirements.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! Delayed or open permit activity on this parcel
New home: Active in "Issued" for 5.5 yr (first record May 3, 2021) with no new permit activity recorded in 5.5 yr.
Source: Alameda County building permits (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: 13 Unit 3-Story Multi-Family Project with 1 ADU (0.14 mi NE, entitled). Inspect timeline history before assuming near-term completion.
Source: Alameda County building permits · HCD APR (½-mile radius)
- ! Bulk building permits not published for Oakland
Permit counts and nearby activity on this page may omit municipal counter records. Request a parcel permit report directly from the local building department.
Source: Source coverage registry (Oakland)
Parcel & Assessor
- Lot size:
- 4,994 sq ft (0.11 ac)
- Assessor use:
- Four living units; e.g. fourplex or triplex w/SFR
- Tax rate area:
- 17
- Addresses on lot:
- 709 40TH ST
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: minimal flood hazard (all of the lot) · FIRM panel 06001C0059G, 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: $1,192,000 – $1,518,000 · Status: Off market
HUD Small Area FMR (ZIP 94609) · FY 2026
Studio $2,220 · 1BR $2,470 · 2BR $3,020 · 3BR $3,860 · 4BR $4,580
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)On this parcel
Active in "Issued" for 5.5 yr (first record May 3, 2021) with no new permit activity recorded in 5.5 yr.
- New home (Entitled)On this parcel
Active in "Entitled" for 6.1 yr (first record Oct 9, 2020) with no new permit activity recorded in 6.1 yr.
- 13 Unit 3-Story Multi-Family Project with 1 ADU (Entitled)0.14 mi NE
Active in "Entitled" for 2.6 yr (first record Mar 29, 2024) with no new permit activity recorded in 2.6 yr. High-impact scale (11 housing units, 2 deed-restricted affordable across 0 permits).
- 77 new homes (Issued)0.15 mi SE
Active in "Issued" for 2.5 yr (first record May 16, 2024) with no new permit activity recorded in 2.5 yr. High-impact scale (77 housing units, 76 deed-restricted affordable across 0 permits).
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: 2 entries (report years 2020, 2021).