Sausalito 94965 · Marin City · APN 052-421-01 · Unincorporated Marin
Since October 2024 within ½ mile: 1 demolition.
1 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.
294 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 31, 2026
$1,525,000
Benchmark range: $1,342,000 – $1,708,000
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.
No ADU or new-home permits recorded within ¼ mile in this window.
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 RMP-10 as multifamily 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 12.6 yr (first record Mar 27, 2014), with no completion or new permit record in 12.6 yr. · $42,000 declared valuation
Permit issued and active for 12.8 yr (first record Dec 30, 2013), with no completion or new permit record in 12.5 yr. · 1 unit · $700,000 declared valuation
Permit issued and active for 19 yr (first record Nov 13, 2007), with no completion or new permit record in 12.3 yr. · 1 unit · $256,200 declared valuation
Permit issued and active for 12.1 yr (first record Oct 2, 2014), with no completion or new permit record in 11.8 yr. · $110,000 declared valuation
In "Applied" for 11.6 yr (since Apr 6, 2015), with no new permit record in 11.6 yr. · $48,000 declared valuation
Permit issued and active for 11.4 yr (first record Jun 11, 2015), with no completion or new permit record in 11.1 yr. · 1 unit · $40,000 declared valuation
Nearby roof replacement (24 Gate 6 1/2): First appeared in published agency feed
Record B48906 · 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 $1,532,575 in September 2025 to $1,591,406 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94965 (not a parcel appraisal)
Electrical / panel permit issued (B45358)
Recorded status: Issued
Replace existing 125 amp Main Service Panel (MSP) with new 125 amp MSP in the existing MSP location. Install includes new grounding and bonding system as well as surge protection Install new Sub Panel in the existing Sub Panel location. Panel to be rotated 180* to face into the living space and not the closet that it is currently located. — Service Upgrade · Declared valuation: $5,500 · Contractor: Divine Electric Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Electrical / panel permit application filed (B45358)
Current status: Issued
Replace existing 125 amp Main Service Panel (MSP) with new 125 amp MSP in the existing MSP location. Install includes new grounding and bonding system as well as surge protection Install new Sub Panel in the existing Sub Panel location. Panel to be rotated 180* to face into the living space and not the closet that it is currently located. — Service Upgrade · Declared valuation: $5,500 · Contractor: Divine Electric Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
1 housing unit completed (90600)
Reported in 2025 Housing Element Annual Progress Report
ADU · Renter
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: parcel
Annual ZIP 94965 home-value index checkpoint
Changed from $1,596,850 in September 2024 to $1,532,575 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94965 (not a parcel appraisal)
2 Park Cir · $7,500 valuation
Records span Sep 6, 2023 to Oct 28, 2024 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94965 home-value index checkpoint
Changed from $1,650,994 in September 2023 to $1,596,850 in September 2024.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94965 (not a parcel appraisal)
190 Donahue St · $70,000 valuation
Records span Jun 30, 2023 to Dec 7, 2023 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94965 home-value index checkpoint
Changed from $1,761,089 in September 2022 to $1,650,994 in September 2023.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94965 (not a parcel appraisal)
53 Buckelew St · 1 unit · $125,000 valuation
Records span Apr 7, 2023 to Jul 19, 2023 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
150 Donahue St · $25,000 valuation
Records span Apr 21, 2023 to Jun 16, 2023 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
825 Drake Ave · 74 units · $8,731,920 valuation
Records span Nov 30, 2020 to May 26, 2023 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Building permit reported to State HCD for 1 housing unit (90600)
Reported in 2025 Housing Element Annual Progress Report
ADU · Renter
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: parcel
Remodel / interior alteration permit application filed (90600)
Current status: Applied
Convert [E] Finished Basement To [N] A D U T.D. 12-28-22 · Declared valuation: $1,500
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
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 5.9 yr (first record Nov 30, 2020) with no new permit activity recorded in 3.4 yr. High-impact scale (74 housing units, $8,731,920 declared valuation across 1 permit).
Active in "Issued" for 6.8 yr (first record Dec 30, 2019) with no new permit activity recorded in 5.1 yr. High-impact scale (1 housing unit, $2,200,000 declared valuation across 1 permit).
Active in "Issued" for 3.1 yr (first record Sep 6, 2023) with no new permit activity recorded in 2 yr.
Active in "Issued" for 12.1 yr (first record Oct 2, 2014) with no new permit activity recorded in 11.8 yr.
Active in "Issued" for 7.1 yr (first record Sep 24, 2019) with no new permit activity recorded in 7.1 yr.
Active in "Issued" for 3.3 yr (first record Jun 30, 2023) with no new permit activity recorded in 2.9 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 518 parcels
Small prior baseline
City baseline: 16.5 / 1k
21 in trailing 24m
Includes 0 ADUs
HUD Small Area Fair Market Rent · ZIP 94965
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 ($15,250/yr) + local voter-approved bond debt ($2,288/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
−$77,135/yr
Cash needed: $335,500
NOI: $15,400/yr
P&I: $7,711/mo
For $0/mo net cash flow
At $3,950/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 | $3,634/mo | −$6,882/mo | -24.6% | $13,240/mo | −$6,871/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,950/mo | −$6,428/mo | -23.0% | $12,255/mo | −$6,193/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $4,187/mo | −$6,167/mo | -22.1% | $11,970/mo | −$5,678/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.
Finaled / completed1 unitsDec 9, 2022 – Jan 31, 2023
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
Replace existing 125 amp Main Service Panel (MSP) with new 125 amp MSP in the existing MSP location. Install includes new grounding and bonding system as well as surge protection Install new Sub Panel in the existing Sub Panel location. Panel to be rotated 180* to face into the living space and not the closet that it is currently located. — Service Upgrade
Convert [E] Finished Basement To [N] A D U T.D. 12-28-22
P V Sys 6.5 K W - Express, E-Insp
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 |
|---|---|---|---|---|---|---|
| 2025 | —(90600) | ADU · Renter | — | 1 (Jan 31, 2023) | 1 (Nov 20, 2025) | — |
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
0.01 acres
Assessor's classification for assessment purposes. This is not zoning.
238 DONAHUE ST
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Oct 31, 2026
Search by parcel number 052-421-01. Assessed value is not market value.
Search by parcel number 052-421-01 (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.