Oakland 94609 · Longfellow · APN 12-962-28 · Oakland
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).
Zone RM-4 allows residential use qualifying for ministerial ADU review under state law.
Source: Oakland zoning · CA Gov. Code 66314
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)
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)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
$1,355,000
Benchmark range: $1,192,000 – $1,518,000
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)
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)
Since — within ½ mile: 17 homes completed, 58 permitted, 57 proposed or in review (96 of them deed-restricted affordable).
21 projects with a record in this window, grouped by us from permits and State housing reports. Units are as proposed on each project's latest record and counted at its current stage.
No permit activity recorded within ½ mile.
Public-records benchmark estimate combining Zillow Home Value Index (Data provided by Zillow), Census ACS 5-year estimates, parcel land-use/lot characteristics, and issued building permits. Not an official appraisal.
We don't have building permits for Oakland, so we can't show what has been permitted nearby.
Permit counts, by the date issued (or applied, if not yet issued). Lot splits are planning cases, which we don't have.
We read public zoning and hazard maps against state law (ADUs: Gov. Code 66314; SB 9: Gov. Code 65852.21 and 66411.7). Local rules, title, tenancy history and site conditions can change the answer. Check with Oakland's planning department before relying on it.
Sources: City of Oakland Planning & Building, Zoning (base zones, effective 2024-12-17) (retrieved Nov 9, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the State Responsibility Area (effective 2024-04-01) (retrieved Nov 9, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the Local Responsibility Area (map dated 2025-03-24) (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — flood hazard zones (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — FIRM panels (retrieved Nov 9, 2026) · California Geological Survey, Alquist-Priolo Earthquake Fault Zones (retrieved Nov 9, 2026) · Zoning classes: our classification of RM-4 as multifamily residential, from the code's name only
Chronological history of building permit applications and issuances, snapshot-dated status changes, State housing entitlements, surrounding development within ½ mile, and area home-value trends.
In "Entitled" for 6.1 yr (since Oct 9, 2020), with no new permit record in 6.1 yr. · 1 unit
Permit issued and active for 5.5 yr (first record May 3, 2021), with no completion or new permit record in 5.5 yr. · 1 unit
In "Entitled" for 3.2 yr (since Aug 18, 2023), with no new permit record in 3.2 yr. · 2 units
In "Entitled" for 3.1 yr (since Oct 4, 2023), with no new permit record in 3.1 yr. · 1 unit
In "Entitled" for 3 yr (since Oct 31, 2023), with no new permit record in 3 yr. · 4 units
Permit issued and active for 2.9 yr (first record Dec 4, 2023), with no completion or new permit record in 2.9 yr. · 1 unit
Nearby permit (58af41e1011fea2faa91b88acb7fe6f3b868346c): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (627c79a3ed7f04fe6bdb91347893d8956b6a3065): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (665aaf9c00d5cdc18f7057af92487c9233eabe39): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (67dbb73856fa8fb1cd8577b97c8cdd7defa7becb): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (688aa5ba0a7e332366e8a86fab45cbe570378cbd): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (6ea22f6fa3672b2aad93e7b49f08606f0d6b9915): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (788d5a7c94e2b0734eef66e04ce1eaa6ee8d743d): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (798403ab6aea3f300fd2bce518b725e387b49580): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (91159424384a961747a8cbca2c4003fd9a747fbf): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (92ea878c8ed7e86eefc032b3553dc305f4515a31): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (93c31cfe4a811878791b4316e553fe560dd525d0): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (95c10e3bdf7af418c4823717efd9f6ffd5def10e): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (980e08322f9d724f632a087304955ce88c205a85): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (98ec2f9ec03ada44f9c45ec025c65d4357857fdf): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Nearby permit (a0ef0ddccd5d5e5c1e8e302164ff375b64414ef2): First appeared in published agency feed
Detected between snapshots
Source: Alameda County building permits · Snapshot diff within ½ mile
Cross-referenced intelligence from our historical development graph—connecting parcels, permits, entity-resolved builders, empirical review-time distributions, and neighborhood renovation trends.
Explore full Oakland development graph →Active in "Issued" for 5.5 yr (first record May 3, 2021) with no new permit activity recorded in 5.5 yr.
Active in "Entitled" for 6.1 yr (first record Oct 9, 2020) with no new permit activity recorded in 6.1 yr.
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).
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).
Active in "Issued" for 2.5 yr (first record Apr 25, 2024) with no new permit activity recorded in 2.5 yr. High-impact scale (166 housing units, 51 deed-restricted affordable across 0 permits).
Active in "Issued" for 15 mo (first record Aug 5, 2025) with no new permit activity recorded in 15 mo. High-impact scale (49 housing units, 48 deed-restricted affordable across 0 permits).
HUD Small Area Fair Market Rent · ZIP 94609
HUD FY 2026 · 40th-percentile gross rentCensus ACS 5-year median gross rent (all bedroom counts combined):
Area home-value benchmarks (not an appraisal)
ZIP & neighborhood mediansUnder California Proposition 13, the seller's historical assessed value does not carry over to a buyer. On sale, the parcel is reassessed at the purchase price: 1.00% base rate ($13,550/yr) + local voter-approved bond debt ($2,981/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
Model adding a backyard ADU or garage conversion under California's Prop 13 blended new-construction assessment (existing house & land tax base stays intact; only ADU build cost is assessed) and SB 13 impact-fee rules.
−$73,084/yr
Cash needed: $298,100
NOI: $9,135/yr
P&I: $6,852/mo
For $0/mo net cash flow
At $3,025/mo gross rent
| Scenario | Assumptions | Year 1 Rent | Year 1 Cash Flow | Cash-on-Cash | Break-Even Rent | Year 5 Cash Flow |
|---|---|---|---|---|---|---|
| Conservative | −8% starting rent, +3% vacancy, +3% combined maintenance/CapEx, 1.5%/yr rent growth | $2,783/mo | −$6,438/mo | -25.9% | $11,770/mo | −$6,446/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,025/mo | −$6,090/mo | -24.5% | $10,894/mo | −$5,927/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 3.0%/yr rent growth (capped by local ordinance ceiling of 3.0%/yr) | $3,207/mo | −$5,890/mo | -23.7% | $10,641/mo | −$5,702/mo |
Rental regulatory context (informational only — not legal advice):
California AB 1482 (Tenant Protection Act, Civ. Code § 1947.12) caps annual rent increases at 5% + local CPI (max 10%) on covered properties. In Oakland: Oakland Rent Adjustment Program (OMC Ch. 8.22) — annual CPI adjustment (60% of CPI, capped at 3.0%) for covered pre-1983 multifamily units. Official program rules ↗
No building permits are recorded for this parcel since 2016.
| Report year | Project / record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2021 | —(RBC2003109) | ADU · Renter | — | 1 (May 3, 2021) | — | — |
| 2020 | —(DRX201271) | ADU · Renter | 1 (Oct 9, 2020) | — | — | — |
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project (parcel) · Retrieved Nov 9, 2026 · From Oakland's Housing Element Annual Progress Reports. A project can appear in several report years as it moves from entitlement to permit to completion.
Source: City of Oakland Planning & Building, Zoning (base zones, effective 2024-12-17) · Geography: zoning district polygon at parcel point · Retrieved Nov 9, 2026
0.11 acres
Assessor's classification for assessment purposes. This is not zoning.
709 40TH ST
Source: Alameda County Assessor / Information Technology Department, Parcel Boundaries · Geography: parcel · Retrieved Nov 9, 2026
Look up assessed values and parcel maps by parcel number 12-962-28. Assessed value is not market value.
Search by parcel number 12-962-28 (Alameda County Treasurer-Tax Collector)
The official flood hazard map for this location. Our reading of it is under What could be built here.
This site does not show owner names.