Kentfield 94904 · Kentfield · APN 074-271-08 · Unincorporated Marin
Since October 2024 within ½ mile: 10 permitted, 2 proposed or in review.
12 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.
128 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.
$2,483,000
Benchmark range: $2,185,000 – $2,781,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 30, 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 30, 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 12.4 yr (first record Jun 2, 2014), with no completion or new permit record in 12.3 yr. · $38,460 declared valuation
Permit issued and active for 12 yr (first record Oct 29, 2014), with no completion or new permit record in 11.9 yr. · $5,000 declared valuation
Permit issued and active for 11.3 yr (first record Jun 24, 2015), with no completion or new permit record in 11.1 yr. · 1 unit · $2,745,000 declared valuation
Permit issued and active for 9.9 yr (first record Dec 13, 2016), with no completion or new permit record in 9.8 yr. · $50,000 declared valuation
Permit issued and active for 9.3 yr (first record Jul 13, 2017), with no completion or new permit record in 9.3 yr. · 1 unit
Permit issued and active for 7.5 yr (first record May 8, 2019), with no completion or new permit record in 7.4 yr. · $70,000 declared valuation
Nearby plumbing / water heater / sewer (512 Goodhill Rd): First appeared in published agency feed
Record B48954 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
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
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)
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)
109 Crown Rd A D U 109 A · 1 unit · $500,000 valuation
Records span Feb 27, 2026 to Jun 4, 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)
101 Crown Rd · 1 unit · $5,368,000 valuation
Records span Jul 1, 2025 to Apr 7, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
40 Rock Rd (Adu 40a) · 1 unit · $40,420 valuation
Records span Jul 3, 2025 to Mar 25, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1 unit
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Plumbing / water heater / sewer permit application filed (B44701)
Current status: Issued
replace 50 gallon water heater with new one in same location garage. Like for like — Replace Plumbing Fixtures(s) · Declared valuation: $2,956 · Contractor: Gbpha Llc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit issued (B44701)
Recorded status: Issued
replace 50 gallon water heater with new one in same location garage. Like for like — Replace Plumbing Fixtures(s) · Declared valuation: $2,956 · Contractor: Gbpha Llc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
34 Acorn Way · 1 unit · $5,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94904 home-value index checkpoint
Changed from $2,256,428 in September 2024 to $2,157,052 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94904 (not a parcel appraisal)
1 unit
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
605 Goodhill Rd (Adu 605 A) · 1 unit · $100,000 valuation
Records span Mar 12, 2025 to Aug 25, 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 12.4 yr (first record Jun 2, 2014) with no new permit activity recorded in 12.3 yr.
Active in "Issued" for 11.3 yr (first record Jun 24, 2015) with no new permit activity recorded in 11.1 yr. High-impact scale (1 housing unit, $2,745,000 declared valuation across 1 permit).
Active in "Issued" for 9.3 yr (first record Jul 13, 2017) with no new permit activity recorded in 9.3 yr. High-impact scale (1 housing unit, 1 deed-restricted affordable across 0 permits).
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 16 mo (first record Jul 1, 2025) with no new permit activity recorded in 7 mo. High-impact scale (1 housing unit, $5,368,000 declared valuation across 1 permit).
Active in "Issued" for 19 mo (first record Mar 27, 2025) with no new permit activity recorded in 15 mo.
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 ($24,850/yr) + local voter-approved bond debt ($3,728/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
−$152,695/yr
Cash needed: $546,700
NOI: -$1,909/yr
P&I: $12,566/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 | −$13,101/mo | -28.8% | $21,300/mo | −$13,193/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,275/mo | −$12,725/mo | -27.9% | $19,715/mo | −$12,631/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 | −$12,508/mo | -27.5% | $19,257/mo | −$12,203/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.
IssuedJun 2, 2014 – Jun 30, 2014
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
replace 50 gallon water heater with new one in same location garage. Like for like — Replace Plumbing Fixtures(s)
Electrical Panel Upgrade
Energy Storage System
Ret Wall By Stairs To Pool
Retaining Wall At Driveway On Side Of House
6.87 K W Roof Mounted Photovoltaic - Express ***Extend To 11/20/16***
Rmdl, Addn, Expand Gar, Repl All Wndws, Add Spa, Expand Decks, Add Hot Tub 5/19/14
Demo For Upcoming Rmdl In Process J#4g861
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Oct 30, 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 30, 2026
0.64 acres
Assessor's classification for assessment purposes. This is not zoning.
680 GOODHILL RD
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Oct 30, 2026
Search by parcel number 074-271-08. Assessed value is not market value.
Search by parcel number 074-271-08 (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.