Woodacre 94973 · Woodacre · APN 172-333-14 · Unincorporated Marin
Zoned R1-B2-SGV in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,105,000 ($972,000–$1,238,000).
Zoned R1-B2-SGV supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 7,579 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Jul 8, 2024).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
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)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
56 permits within ½ mile since November 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 Nov 14, 2026
$1,105,000
Benchmark range: $972,000 – $1,238,000
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)
Solar / battery storage (76457): Pending in review for 10.9 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Closest lead: New home at 15 Edgewood Dr (0.28 mi NW, 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)
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 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 R1-B2-SGV 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 6.1 yr (since Oct 22, 2020), with no new permit record in 6.1 yr. · 1 unit · $352,000 declared valuation
Nearby roof replacement (31 Buckeye Cir): First appeared in published agency feed
Record B49075 · 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 $1,065,244 in September 2025 to $1,116,587 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
Annual ZIP 94973 home-value index checkpoint
Changed from $1,061,933 in September 2024 to $1,065,244 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
Annual ZIP 94973 home-value index checkpoint
Changed from $1,063,265 in September 2023 to $1,061,933 in September 2024.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
Roof replacement permit application filed (B38638)
Current status: Issued
Removal of existing roof material, installing 21 squares of GAF Timberline® HDZ™ RS shingle system on single family dwelling. Work Valuation $18,695.88. — ReRoofing · Declared valuation: $18,696 · Contractor: Sustainable Living Builders Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Roof replacement permit issued (B38638)
Recorded status: Issued
Removal of existing roof material, installing 21 squares of GAF Timberline® HDZ™ RS shingle system on single family dwelling. Work Valuation $18,695.88. — ReRoofing · Declared valuation: $18,696 · Contractor: Sustainable Living Builders Inc
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Annual ZIP 94973 home-value index checkpoint
Changed from $1,129,016 in September 2022 to $1,063,265 in September 2023.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
254 Redwood Dr (Aka 256) · 1 unit · $24,876 valuation
Records span Apr 5, 2021 to Jul 11, 2023 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94973 home-value index checkpoint
Changed from $1,055,668 in September 2021 to $1,129,016 in September 2022.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
Annual ZIP 94973 home-value index checkpoint
Changed from $891,844 in September 2020 to $1,055,668 in September 2021.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94973 (not a parcel appraisal)
15 Edgewood Dr · 1 unit · $352,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Electrical / panel permit issued (150478)
Recorded status: Issued
Main Elec Serv Upgrade · Declared valuation: $1,500 · Contractor: Chai'S Electric
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit application filed (76457)
Current status: Applied
P V Rf Mt 6.2 K W - Express, E-Insp · Declared valuation: $14,365
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit issued (150317)
Recorded status: Issued
6.5kw Roof Mounted Photovoltaic - Express, E-Insp · Declared valuation: $14,365 · Contractor: Tesla Energy
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Solar / battery storage permit application filed (150317)
Current status: Issued
6.5kw Roof Mounted Photovoltaic - Express, E-Insp · Declared valuation: $14,365 · Contractor: Tesla Energy
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 →Pending in review for 10.9 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
In "Applied" for 6.1 yr (since Oct 22, 2020), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Sustainable Living Builders | Roof replacement | 1 on parcel1 in ½ mi | $18,696 | 0 vs 0 prior |
| Tesla Energy | Solar / battery storage | 1 on parcel1 in ½ mi | $14,365 | 0 vs 0 prior |
| Chais Electric | Electrical / panel | 1 on parcel1 in ½ mi | $1,500 | 0 |
| 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 94973
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 ($14,285/yr) + local voter-approved bond debt ($2,143/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.
Statutory notes: Under CA Gov. Code § 66324 (SB 13), local agencies cannot impose development impact fees on ADUs under 750 sq ft (plan-check, school district fees ≥500 sq ft, and utility connection fees still apply). Under CA Rev. & Tax. Code § 71, building an ADU triggers a supplemental assessment on the new construction value without reassessing the existing dwelling or land. Newly built ADUs also carry a rolling 15-year exemption from statewide AB 1482 rent caps from certificate of occupancy.
−$59,463/yr
Cash needed: $323,975
NOI: $30,598/yr
P&I: $7,505/mo
For $0/mo net cash flow
At $5,525/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 | $5,083/mo | −$5,590/mo | -20.7% | $12,886/mo | −$5,508/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $5,525/mo | −$4,955/mo | -18.4% | $11,927/mo | −$4,560/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $5,857/mo | −$4,591/mo | -17.0% | $11,650/mo | −$3,838/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.
Removal of existing roof material, installing 21 squares of GAF Timberline® HDZ™ RS shingle system on single family dwelling. Work Valuation $18,695.88. — ReRoofing
Main Elec Serv Upgrade
P V Rf Mt 6.2 K W - Express, E-Insp
6.5kw Roof Mounted Photovoltaic - Express, E-Insp
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
0.17 acres
Assessor's classification for assessment purposes. This is not zoning.
345 REDWOOD DR
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 14, 2026
Search by parcel number 172-333-14. Assessed value is not market value.
Search by parcel number 172-333-14 (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.
| Owner Builder Recent nearby: 254 Redwood Dr (Aka 256) (Jul 11, 2023) | Addition (adds square footage) | 5 in ½ mi | $467,376 | 226 vs 240 prior−6% |
| Owner Recent nearby: 9 Crescent Dr (Sep 4, 2024) | Demolition | 2 in ½ mi | $95,320 | 25 vs 15 prior+67% |
| Crafted Earth Recent nearby: 63 Madrone Ave (Aug 17, 2021) | Remodel / interior alteration | 1 in ½ mi | $300,000 | 0 vs 3 prior |
| Brandon Duisenberg Construction Recent nearby: 30 Oak Grove Ave (Apr 3, 2018) | New garage / accessory structure | 1 in ½ mi | $240,000 | 0 vs 0 prior |
| 316 |
| 103d |
| 160d |
| 249d |
| 440d |
| 159d(vs 166d prior) |
| Remodel / interior alteration | 1,054 | 36d | 83d | 148d | 266d | 112d(vs 77d prior) |
| Commercial tenant improvement | 81 | 99d | 148d | 233d | 443d | 152d(vs 150d prior) |
| Solar / battery storageOn this parcel | 2,977 | 0d | 0d | 0d | 2d | 0d |
| Roof replacementOn this parcel | 3,663 | 0d | 0d | 0d | 0d | 0d |
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.