Kentfield 94904 · Kentfield · APN 074-171-03 · Unincorporated Marin
Since October 2024 within ½ mile: 17 permitted, 4 proposed or in review; 2 demolitions.
23 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.
303 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.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 28, 2026
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 28, 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 RSP-1 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 5.5 yr (first record May 7, 2021), with no completion or new permit record in 5.4 yr. · $5,000 declared valuation
Permit issued and active for 7.6 yr (first record Mar 14, 2019), with no completion or new permit record in 5.4 yr. · 1 unit · $1,217,500 declared valuation
Permit issued and active for 5.8 yr (first record Jan 11, 2021), with no completion or new permit record in 5.4 yr. · $30,000 declared valuation
Permit issued and active for 4.9 yr (first record Nov 19, 2021), with no completion or new permit record in 4.9 yr. · 1 unit
In "Entitled" for 4.9 yr (since Dec 10, 2021), with no new permit record in 4.9 yr. · 1 unit
Permit issued and active for 4.4 yr (first record May 31, 2022), with no completion or new permit record in 4.4 yr. · $10,000 declared valuation
Nearby other (505 Woodland Rd): First appeared in published agency feed
Record B48889 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
8 Laurel Way · 1 unit · $22,000,000 valuation
Records span Mar 17, 2026 to Oct 15, 2026 (2 permits).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project 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)
122 Woodland Rd · $75,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
440 Woodland Rd · 1 unit · $450,000 valuation
Records span Aug 21, 2025 to Jul 22, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
121 Woodland Rd A D U · 1 unit · $135,000 valuation
Records span Feb 5, 2026 to Jul 20, 2026 (1 permit).
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)
60 Redwood Dr · 1 unit · $204,500 valuation
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)
34 Acorn Way A D U 34 A · 1 unit · $125,000 valuation
Records span Sep 12, 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)
Accessory dwelling unit (new or conversion) permit issued (181346)
Recorded status: Issued
Convert (E) "Live In" (Permitted Under 171878) To (N) A D U · Declared valuation: $40,420 · 1 housing unit · Contractor: Thomas Graves Construction Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
1 unit
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)
55 Redwood Dr · $10,000 valuation
Records span Jun 12, 2025 to Oct 6, 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 2.2 yr (first record Aug 27, 2024) with no new permit activity recorded in 17 mo. High-impact scale (1 housing unit, $936,400 declared valuation across 1 permit).
Active in "Issued" for 16 mo (first record Jul 3, 2025) with no new permit activity recorded in 7 mo.
Active in "Issued" for 20 mo (first record Feb 28, 2025) with no new permit activity recorded in 16 mo. High-impact scale (1 housing unit, $750,000 declared valuation across 1 permit).
Active in "Applied" for 2.5 yr (first record Apr 12, 2024) with no new permit activity recorded in 2.5 yr. High-impact scale (1 housing unit, $1,250,000 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 3.7 yr (first record Feb 28, 2023) with no new permit activity recorded in 3.7 yr. High-impact scale (1 housing unit, 1 deed-restricted affordable across 0 permits).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,520 parcels
−32.3% 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 ($23,100/yr) + local voter-approved bond debt ($3,465/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
−$140,064/yr
Cash needed: $508,200
NOI: $103/yr
P&I: $11,681/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 | −$12,048/mo | -28.4% | $19,831/mo | −$12,127/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,275/mo | −$11,672/mo | -27.6% | $18,355/mo | −$11,565/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 | −$11,456/mo | -27.0% | $17,929/mo | −$11,137/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 unitsJul 3, 2025 – Mar 25, 2026
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
Convert (E) "Live In" (Permitted Under 171878) To (N) A D U
35.26kw Residential Rooftop Photovoltaic & 70kwh Energy Storage System
Retaining Wall, North, Farthest
Retaining Wall, North, Close To Pool
Retaining Wall, North, Close To House
Retaining Wall, West
Pool & Spa
Major Remodel; Addition; Utility Area; Decks K F D K S D
Demo Of Covered Entry, Decks, Ret Walls, & Pool
Minor Roof Changes Not Including Elevations; Chg Eng Of Record - Related To 155939
Kitch Rmdl, Door For Window Same Header***Ext To 12/4/20 Contr Removed Himself 12/2/19
Remod Pool House 7/28/16
Remodel Main House 8/18/16
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Oct 28, 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.
No housing activity reported to the State for this parcel (2018–2025 reports).
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 28, 2026
1.75 acres
Assessor's classification for assessment purposes. This is not zoning.
40A ROCK RD; 40 ROCK RD
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Oct 28, 2026
Search by parcel number 074-171-03. Assessed value is not market value.
Search by parcel number 074-171-03 (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.