· California Park · APN 018-074-16 · Unincorporated Marin
Since October 2024 within ½ mile: 1 homes completed, 4 permitted, 81 proposed or in review (16 of them deed-restricted affordable).
9 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.
62 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.
$1,393,000
Benchmark range: $1,184,000 – $1,602,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Oct 29, 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 29, 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-4-HOD 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.
In "Applied" for 22 mo (since Dec 18, 2024), with no new permit record in 14 mo. · 79 units
Permit issued and active for 10.6 yr (first record Apr 5, 2016), with no completion or new permit record in 10.5 yr. · $7,500 declared valuation
In "Entitled" for 8.6 yr (since Mar 16, 2018), with no new permit record in 8.6 yr. · 1 unit
In "Entitled" for 8.1 yr (since Sep 12, 2018), with no new permit record in 8.1 yr. · 1 unit
Permit issued and active for 8.6 yr (first record Mar 7, 2018), with no completion or new permit record in 7.8 yr. · 1 unit · $130,000 declared valuation
In "Entitled" for 7.1 yr (since Sep 9, 2019), with no new permit record in 7.1 yr. · 1 unit
202 Auburn St ( A D U 202 A) · 1 unit · $160,000 valuation
Records span Oct 25, 2024 to Sep 18, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
221 Tiburon Blvd · 1 unit · $75,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
General repair permit application filed (94373)
Current status: Applied
Installing 24" Auger Cast Piles Underneath The Foundations Of 16 New Buildings - Auburn Grove Project. · Declared valuation: $150,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
General repair permit application filed (94221)
Current status: Applied
3 Ft. High, ~1,150 Long Retaining Wall. Project Spans Four Parcels: 018-074-16, 018-075-28, 018-085-23, 018-086-18 - Auburn Grove Project · Declared valuation: $70,000
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
12 Woodland Ave · $575,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
15 Bret Harte Rd · 1 unit · $2,200 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
14 Gilbert St · 1 unit · $400,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1 unit
Records span Jul 16, 2024 to Nov 24, 2025 (0 permits).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
New multifamily / condos / mixed-use permit application filed (93522)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93523)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93524)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93525)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93526)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93527)
Current status: Applied
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
New multifamily / condos / mixed-use permit application filed (93528)
Current status: Applied
3 Unit Townhomes Detached 3 Story - Auburn Grove Project
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 "Applied" for 22 mo (first record Dec 18, 2024) with no new permit activity recorded in 14 mo. High-impact scale (79 housing units, 16 deed-restricted affordable across 16 permits).
Active in "Entitled" for 4.5 yr (first record May 10, 2022) with no new permit activity recorded in 4.5 yr. High-impact scale (71 housing units, 6 deed-restricted affordable across 0 permits).
Active in "Applied" for 4.1 yr (first record Sep 14, 2022) with no new permit activity recorded in 4.1 yr.
Active in "Entitled" for 6.1 yr (first record Sep 11, 2020) with no new permit activity recorded in 6.1 yr.
Active in "Issued" for 3.2 yr (first record Aug 25, 2023) with no new permit activity recorded in 20 mo.
Active in "Applied" for 5.1 yr (first record Sep 8, 2021) with no new permit activity recorded in 5.1 yr.
HUD Metro Fair Market Rent · San Francisco, CA HUD Metro FMR Area
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 ($13,950/yr) + local voter-approved bond debt ($2,093/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
−$71,002/yr
Cash needed: $306,900
NOI: $13,644/yr
P&I: $7,054/mo
For $0/mo net cash flow
At $3,600/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 | $3,312/mo | −$6,331/mo | -24.8% | $12,149/mo | −$6,324/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $3,600/mo | −$5,917/mo | -23.1% | $11,245/mo | −$5,706/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $3,816/mo | −$5,679/mo | -22.2% | $10,983/mo | −$5,236/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.
Applied79 units16 deed-restrictedDec 18, 2024 – Sep 11, 2025
We group related permits and State housing reports into projects. That grouping is our inference, not an official record.
Installing 24" Auger Cast Piles Underneath The Foundations Of 16 New Buildings - Auburn Grove Project.
3 Ft. High, ~1,150 Long Retaining Wall. Project Spans Four Parcels: 018-074-16, 018-075-28, 018-085-23, 018-086-18 - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
5 Unit Townhomes Detached 3 Story - Auburn Grove Project
2 Unit Townhomes Detached 3 Story - Auburn Grove Project
8 Unit Townhomes Detached 3 Story - Auburn Grove Project
8 Unit Townhomes Detached 3 Story - Auburn Grove Project
2 Unit Townhomes Detached 3 Story - Auburn Grove Project
1 Unit Townhome Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
3 Unit Townhomes Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Oct 29, 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 | —(P4421) | 5+ · Renter | 79 (Dec 18, 2024) | — | — | 16 |
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 29, 2026
1.92 acres
Assessor's classification for assessment purposes. This is not zoning.
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Oct 29, 2026
Search by parcel number 018-074-16. Assessed value is not market value.
Search by parcel number 018-074-16 (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.
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
6 Unit Townhomes Detached 3 Story - Auburn Grove Project
2 Unit Townhomes Detached 3 Story - Auburn Grove Project