396 Pinehill Rd
Mill Valley 94941 · Tamalpais · Unincorporated Marin · Coordinates: 37.88011, -122.53548
Executive Verdict · Public-Records Synthesis
Zoned RMP-12 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE moderate fire hazard severity zone (local responsibility area) due diligence; benchmark value $2,325,000 ($2,046,000–$2,604,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-12 allows residential use qualifying for ministerial ADU review under state law (5 ADU permits permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$20,130 contributory est.)
Public building records show issued construction/renovation work on this parcel (26 total permits, latest Jul 27, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Tamalpais
50 substantial renovation & housing permits over 24 months (20.5 per 1,000 parcels vs. 16.4 citywide baseline) (#3 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Tamalpais)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
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)
- ! CAL FIRE Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot of lot)
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 Mar 24, 2025)
- ! Delayed or open permit activity on this parcel
Other (94411): Pending in review for 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 3 slow or stalled nearby projects within ½ mile
Closest lead: New home at 560 Alta Way (0.47 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)
Parcel & Assessor
- Lot size:
- 39,727 sq ft (0.91 ac)
- Assessor use:
- Multiple-Resid. - Improved
- Addresses on lot:
- 396 PINEHILL RD
Zoning & Land Use
RMP-12 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-12 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RMP-12 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-12 (multifamily residential), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0468F, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $2,046,000 – $2,604,000 · Status: Off market
HUD Small Area FMR (ZIP 94941) · FY 2026
Studio $2,730 · 1BR $3,270 · 2BR $3,960 · 3BR $5,060 · 4BR $5,240
Developments Deserving Closer Investigation & Active Area Builders
- New home at 560 Alta Way (Applied)0.47 mi NW
In "Applied" for 3.3 yr (since Aug 10, 2023), 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, $975,000 declared valuation across 1 permit).
- Other (94411) (Applied)On this parcel
Pending in review for 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
- Remodel / interior alteration (77748) (Applied)On this parcel
Pending in review for 10.5 yr (46.2× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
- Remodel / interior alteration (77747) (Applied)On this parcel
Pending in review for 10.5 yr (46.2× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
Entity-resolved builders & contractors in ½ mile: Owner (1 on parcel, 55 in ½ mi · Remodel / interior alteration); International Building Investment (15 on parcel, 15 in ½ mi · Remodel / interior alteration); Leon Construction (7 on parcel, 7 in ½ mi · Remodel / interior alteration); Owner Builder (97 in ½ mi · Remodel / interior alteration); Lamperti Contracting And Design (7 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (26 permits, 0 grouped projects)
Showing 15 most recent permits| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94411 | Other | Applied | App. Jul 27, 2026 | $28,500 | Repair And Replace Various Damaged Structural Elements Like Fascia, Railing, And Deck. All Replacements Are To Be Like F… |
| B29820 | HVAC / heat pump | Issued | Iss. May 26, 2022 | $3,785 | Per annual Health Inspection by Eithne Bullick on 3/15/22, Utility Room: The restroom located in the utility room lacks … |
| 155596 | Remodel / interior alteration | Issued | Iss. May 31, 2017 | $15,000 | Kitch & Bath Remod, Lights In Lvg & Bdrm - Express |
| 153745 | General repair | Issued | Iss. Nov 3, 2016 | $27,000 | Walkway Repair (Multi-Story) 5/23/16 |
| 152273 | Remodel / interior alteration |