Kentfield 94904 · Kentfield · APN 075-233-09 · Unincorporated Marin
Zoned RSP-1 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,541,000 ($2,236,000–$2,846,000).
Zoned RSP-1 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 28,750 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Apr 4, 2025).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
103 substantial renovation & housing permits over 24 months (40.9 per 1,000 parcels vs. 16.3 citywide baseline) (#7 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Kentfield)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
Since November 2024 within ½ mile: 4 permitted.
4 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.
108 permits within ½ mile since November 2024
$2,541,000
Benchmark range: $2,236,000 – $2,846,000
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)
Located in a mapped Fire Hazard Severity Zone. Expect Chapter 7A ignition-resistant building standards, defensible-space inspections, and stricter property insurance underwriting.
Source: CAL FIRE FHSZ (map Apr 1, 2024)
Remodel / interior alteration (175426): Issued after 7 mo (2.6× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Closest lead: New home at 100 Black Log Rd (0.18 mi NE, applied). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
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 Nov 14, 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 Nov 14, 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 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 12.9 yr (first record Dec 3, 2013), with no completion or new permit record in 12.4 yr. · 1 unit · $225,000 declared valuation
Permit issued and active for 12.1 yr (first record Oct 8, 2014), with no completion or new permit record in 12 yr. · $4,000 declared valuation
In "Applied" for 10.7 yr (since Feb 22, 2016), with no new permit record in 10.7 yr. · 1 unit · $1,400,000 declared valuation
Permit issued and active for 8.4 yr (first record Jun 28, 2018), with no completion or new permit record in 7.4 yr. · 1 unit · $2,500,000 declared valuation
Permit issued and active for 4.6 yr (first record Apr 6, 2022), with no completion or new permit record in 4.1 yr. · 1 unit · $75,000 declared valuation
In "Applied" for 3.9 yr (since Dec 8, 2022), with no new permit record in 3.9 yr. · 1 unit · $400,000 declared valuation
Nearby plumbing / water heater / sewer (224 Evergreen Dr): First appeared in published agency feed
Record B49101 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby other (71 Ridgecrest Rd): First appeared in published agency feed
Record B49037 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby other (1 Fern Rd): First appeared in published agency feed
Record B49004 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby other (27 Fern Rd): First appeared in published agency feed
Record B48918 · 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)
51 Blue Ridge Rd · 1 unit · $1,000,000 valuation
Records span Jul 11, 2025 to Nov 20, 2025 (1 permit).
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)
124 Briar Rd (Adu-124a) · 1 unit · $210,000 valuation
Records span Jan 22, 2025 to Jun 12, 2025 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
45 Evergreen Dr (Adu 45a) · 1 unit · $75,000 valuation
Records span Dec 21, 2022 to Apr 23, 2025 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
General repair permit application filed (178972)
Current status: Issued
In Ground Pool & Spa: Remove/Replace (E) Surface, Tile And Mastic. Install Channel Drain Grates To Code. No Structural. No New Equipment · Declared valuation: $38,000 · Contractor: Earl Adams Tile-Coping & Plastering Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
General repair permit issued (178972)
Recorded status: Issued
In Ground Pool & Spa: Remove/Replace (E) Surface, Tile And Mastic. Install Channel Drain Grates To Code. No Structural. No New Equipment · Declared valuation: $38,000 · Contractor: Earl Adams Tile-Coping & Plastering Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Annual ZIP 94904 home-value index checkpoint
Changed from $2,228,680 in September 2023 to $2,256,428 in September 2024.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94904 (not a parcel appraisal)
80 Rancheria Rd (Adu 80 A) · 1 unit · $320,000 valuation
Records span Dec 8, 2022 to Aug 12, 2024 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
15 Blue Ridge Rd · $871,339 valuation
Records span Oct 13, 2023 to Dec 14, 2023 (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 →In "Applied" for 10.7 yr (since Feb 22, 2016), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $1,400,000 declared valuation across 1 permit).
Active in "Issued" for 8.4 yr (first record Jun 28, 2018) with no new permit activity recorded in 7.4 yr. High-impact scale (1 housing unit, $2,500,000 declared valuation across 1 permit).
Active in "Issued" for 3.1 yr (first record Oct 13, 2023) with no new permit activity recorded in 2.9 yr. High-impact scale ($871,339 declared valuation across 1 permit).
Issued after 7 mo (2.6× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
In "Applied" for 3.9 yr (since Dec 8, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Active in "Issued" for 16 mo (first record Jul 11, 2025) with no new permit activity recorded in 12 mo. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 2,518 parcels
−33.9% YoY
City baseline: 16.3 / 1k
103 in trailing 24m
Includes 29 ADUs
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Turley Construction | Remodel / interior alteration | 1 on parcel1 in ½ mi | $150,000 | 0 vs 0 prior |
| Earl Adams Tile Coping And Plastering | General repair | 1 on parcel1 in ½ mi | $38,000 | 3 vs 2 prior |
| Owner Builder Recent nearby: 215 S Ridgewood Rd (Apr 28, 2026) | Remodel / interior alteration | 17 in ½ mi |
| Permit category | Sample (n) | 25th pct | Median (50th) | 75th pct | 90th pct | Recent 24m median |
|---|---|---|---|---|---|---|
| New single-family home | 121 | 166d | 253d | 456d | 686d | 210d(vs 276d prior) |
| New multifamily / condos / mixed-use | 21 | 272d | 292d | 293d | 313d | 293d(vs 197d prior) |
| Accessory dwelling unit (new or conversion) | 298 | 120d | 204d | 331d | 549d | 214d(vs 181d prior) |
| Addition (adds square footage) |
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 ($25,400/yr) + local voter-approved bond debt ($3,810/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
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.
−$156,665/yr
Cash needed: $558,800
NOI: -$2,542/yr
P&I: $12,844/mo
For $0/mo net cash flow
At $3,275/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 | $3,013/mo | −$13,432/mo | -28.8% | $21,762/mo | −$13,529/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,275/mo | −$13,055/mo | -28.0% | $20,142/mo | −$12,966/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 | −$12,839/mo | -27.6% | $19,675/mo | −$12,539/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 Ground Pool & Spa: Remove/Replace (E) Surface, Tile And Mastic. Install Channel Drain Grates To Code. No Structural. No New Equipment
Remodel Bathrooms & Kitchen; Replace Siding; Replace (E) & Add (N) Windows; Replace (E) Doors
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Nov 14, 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 Nov 9, 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 Nov 14, 2026
0.66 acres
Assessor's classification for assessment purposes. This is not zoning.
73 RIDGECREST RD
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 14, 2026
Search by parcel number 075-233-09. Assessed value is not market value.
Search by parcel number 075-233-09 (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.
| $3,726,100 |
| 226 vs 240 prior−6% |
| Owner Recent nearby: 100 Upper Briar Rd (Jun 20, 2017) | Addition (adds square footage) | 4 in ½ mi | $374,500 | 25 vs 15 prior+67% |
| Robert Federighi Recent nearby: 32 Fern Rd (Sep 13, 2024) | Remodel / interior alteration | 3 in ½ mi | $1,306,374 | 0 vs 3 prior |
| Abacus Group Bldrs Recent nearby: 90 Estelle Ave (Dec 17, 2020) | Addition (adds square footage) | 3 in ½ mi | $589,450 | 1 vs 0 prior |
| Slm Builders Recent nearby: 170 Rancheria Rd (Apr 10, 2019) | Addition (adds square footage) | 3 in ½ mi | $550,000 | 0 vs 3 prior |
| Hendrickson Pools Recent nearby: 151 Hillcrest Ln (Aug 30, 2021) | Pool / spa | 3 in ½ mi | $441,475 | 3 vs 4 prior |
| Mr Builder Recent nearby: 104 Estelle Ave (Jan 8, 2014) | New garage / accessory structure | 3 in ½ mi | $188,000 | 0 vs 0 prior |
| Dm Gates Recent nearby: 51 Blue Ridge Rd (Nov 20, 2025) | New garage / accessory structure | 2 in ½ mi | $1,245,000 | 0 vs 0 prior |
| 316 |
| 103d |
| 160d |
| 249d |
| 440d |
| 159d(vs 166d prior) |
| Remodel / interior alterationOn this parcel | 1,054 | 36d | 83d | 148d | 266d | 112d(vs 77d prior) |
| Commercial tenant improvement | 81 | 99d | 148d | 233d | 443d | 152d(vs 150d prior) |
| General repairOn this parcel | 693 | 38d | 83d | 181d | 328d | 97d(vs 66d prior) |
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Computed from issued permits with recorded application and issuance dates over the trailing 60 months. Categories with fewer than 20 permits are excluded.