Kentfield 94904 · Kentfield · APN 071-144-47 · Unincorporated Marin
Since October 2024 within ½ mile: 15 permitted, 2 proposed or in review; 3 demolitions.
20 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.
508 permits within ½ mile since October 2024
The map shows new construction, ADUs, demolitions, additions, and renovations. Routine systems work (roofs, HVAC, water heaters) is counted but not mapped. Unit counts are as stated on permits.
$2,354,000
Benchmark range: $2,072,000 – $2,636,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 31, 2026
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.
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 Unincorporated Marin's planning department before relying on it.
Sources: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) (retrieved Oct 31, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the State Responsibility Area (effective 2024-04-01) (retrieved Oct 26, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the Local Responsibility Area (map dated 2025-03-24) (retrieved Oct 26, 2026) · FEMA, National Flood Hazard Layer — flood hazard zones (retrieved Oct 26, 2026) · FEMA, National Flood Hazard Layer — FIRM panels (retrieved Oct 26, 2026) · California Geological Survey, Alquist-Priolo Earthquake Fault Zones (retrieved Oct 26, 2026) · Zoning classes: our classification of R1-B1 as single-family residential, checked against the zone description on Oct 24, 2026
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.
Permit issued and active for 3.4 yr (first record Jun 12, 2023), with no completion or new permit record in 2.4 yr. · 1 unit · $435,700 declared valuation
Permit issued and active for 7.3 yr (first record Jul 16, 2019), with no completion or new permit record in 7 yr. · $10,000 declared valuation
Permit issued and active for 6.9 yr (first record Dec 12, 2019), with no completion or new permit record in 6.9 yr. · $4,700 declared valuation
In "Applied" for 6.8 yr (since Dec 26, 2019), with no new permit record in 6.8 yr. · 1 unit · $500,000 declared valuation
In "Applied" for 5.8 yr (since Dec 28, 2020), with no new permit record in 5.8 yr. · 1 unit · $40,000 declared valuation
In "Applied" for 5.8 yr (since Jan 4, 2021), with no new permit record in 5.8 yr. · 1 unit · $12,000 declared valuation
Nearby roof replacement (255 Poplar Dr): First appeared in published agency feed
Record B48953 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby other (70 Lancaster Ave): First appeared in published agency feed
Record B48941 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby roof replacement (136 Terrace Ave): First appeared in published agency feed
Record B48914 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (141 Laurel Grove Ave): First appeared in published agency feed
Record B48905 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Latest published Zillow Home Value Index (ZHVI) update
Changed from $2,157,052 in September 2025 to $2,308,409 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94904 (not a parcel appraisal)
847 Sir Francis Drake Blvd · 1 unit · $240,000 valuation
Records span Mar 12, 2026 to Sep 30, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
324 Palm Ave · 1 unit · $752,950 valuation
Records span Apr 8, 2026 to Sep 16, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1004 Sir Francis Drake Blvd · $30,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1 Orchard Way · 1 unit · $10,047,573 valuation
Records span Dec 19, 2025 to Jul 15, 2026 (2 permits).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
332 Kent Ave · 1 unit · $1,000,000 valuation
Records span Nov 10, 2025 to Jun 8, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
6 Cedar Ave · 1 unit · $500,000 valuation
Records span Aug 21, 2025 to Apr 21, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
11 Stetson Ave · 1 unit · $16,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
55 Redwood Dr A D U 55 A · 1 unit · $895,000 valuation
Records span Jun 12, 2025 to Jan 8, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
801 College Ave · $75,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
70 Berens Dr (A D U 70 A) · 1 unit · $200,000 valuation
Records span Jul 18, 2025 to Nov 26, 2025 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project 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 Unincorporated Marin development graph →Active in "Issued" for 3.4 yr (first record Jun 12, 2023) with no new permit activity recorded in 2.4 yr.
Active in "Issued" for 4.3 yr (first record Jul 15, 2022) with no new permit activity recorded in 13 mo. High-impact scale (1 housing unit, $965,000 declared valuation across 3 permits).
Active in "Issued" for 3.1 yr (first record Sep 29, 2023) with no new permit activity recorded in 2.8 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
Active in "Issued" for 7.6 yr (first record Mar 14, 2019) with no new permit activity recorded in 5.4 yr. High-impact scale (1 housing unit, $1,217,500 declared valuation across 2 permits).
Active in "Issued" for 3.9 yr (first record Dec 7, 2022) with no new permit activity recorded in 3 yr. High-impact scale (1 housing unit, $4,500,000 declared valuation across 1 permit).
Active in "Applied" for 6.8 yr (first record Dec 26, 2019) with no new permit activity recorded in 6.8 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,520 parcels
−34.9% YoY
City baseline: 16.5 / 1k
104 in trailing 24m
Includes 30 ADUs
HUD Small Area Fair Market Rent · ZIP 94904
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 ($23,550/yr) + local voter-approved bond debt ($3,533/yr) + fixed direct levies/Mello-Roos ($450/yr).
Insurance & hazard context:
−$141,992/yr
Cash needed: $518,100
NOI: $906/yr
P&I: $11,908/mo
For $0/mo net cash flow
At $3,275/mo 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 | $3,013/mo | −$12,209/mo | -28.3% | $20,055/mo | −$12,280/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,275/mo | −$11,833/mo | -27.4% | $18,563/mo | −$11,718/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $3,472/mo | −$11,616/mo | -26.9% | $18,132/mo | −$11,290/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.
Issued1 unitsJun 12, 2023 – Jun 6, 2024
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
Main panel upgrade from 100 amp to 400 amp on the right corner of the house. — New Circuits / Outlets, Service Upgrade, Replace Circuits / Outlets
Addition & Remodel; (N) A D U; Deck
Parking Deck & Retaining Wall At Front
Retaining Walls At Rear
Remove existing composition roof replace with new. — ReRoofing; With Electronic Inspection
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Oct 31, 2026 · Received and issued dates come from the County of Marin. The county publishes no final or expired status, so an issued permit stays 'Issued' after the work is done.
| Report year | Project / record | Type | Entitled | Permitted | Completed | Deed-restricted |
|---|---|---|---|---|---|---|
| 2024 | —(91732) | ADU · Renter | 1 (Jun 12, 2023) | 1 (Jun 6, 2024) | — | — |
| 2023 | —(91732) | ADU · Renter | 1 (Jun 12, 2023) | — | — | — |
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project (parcel) · Retrieved Oct 26, 2026 · From Unincorporated Marin's Housing Element Annual Progress Reports. A project can appear in several report years as it moves from entitlement to permit to completion.
Source: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) · Geography: zoning district polygon at parcel point · Retrieved Oct 31, 2026
0.10 acres
Assessor's classification for assessment purposes. This is not zoning.
8A RUSSELL AVE; 8 RUSSELL AVE
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Oct 31, 2026
Search by parcel number 071-144-47. Assessed value is not market value.
Search by parcel number 071-144-47 (Marin County Tax Collector)
Permits issued in unincorporated Marin in the past 48 months. Each city keeps its own records.
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.