145 Crane Dr
San Anselmo 94960 · Sleepy Hollow · Unincorporated Marin · Coordinates: 38.01548, -122.59095
Executive Verdict · Public-Records Synthesis
Zoned RMP-0.5 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,035,000 ($1,791,000–$2,279,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-0.5 allows residential use qualifying for ministerial ADU review under state law (3 ADU permits permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$242,979 contributory est.)
Public building records show issued construction/renovation work on this parcel (20 total permits, latest Mar 23, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Sleepy Hollow
32 substantial renovation & housing permits over 24 months (32.7 per 1,000 parcels vs. 16.4 citywide baseline) (#4 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Sleepy Hollow)
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 (State 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 Apr 1, 2024)
- ! Delayed or open permit activity on this parcel
General repair (91161): Pending in review for 3.5 yr (15.2× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 1 slow or stalled nearby project within ½ mile
Closest lead: New home at 99 Garden Rock Rd (0.12 mi W, 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:
- 157,164 sq ft (3.61 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 145 CRANE DR
Zoning & Land Use
RMP-0.5 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-0.5 (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-0.5 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-0.5 (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 (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0289D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,791,000 – $2,279,000 · Status: Off market
HUD Small Area FMR (ZIP 94960) · FY 2026
Studio $2,510 · 1BR $3,010 · 2BR $3,640 · 3BR $4,650 · 4BR $4,820
Developments Deserving Closer Investigation & Active Area Builders
- New home at 99 Garden Rock Rd (Applied)0.12 mi W
In "Applied" for 3.1 yr (since Oct 11, 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, $1,200,000 declared valuation across 1 permit).
- General repair (91161) (Applied)On this parcel
Pending in review for 3.5 yr (15.2× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
- New garage / accessory structure (89874) (Applied)On this parcel
Pending in review for 4.5 yr (10.0× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
- Plumbing / water heater / sewer (151984) (Issued)On this parcel
Issued after 7 mo — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
Entity-resolved builders & contractors in ½ mile: Owner Builder (1 on parcel, 18 in ½ mi · Remodel / interior alteration); Levine Design And Construction (8 on parcel, 9 in ½ mi · New garage / accessory structure); Plr Builders (2 on parcel, 2 in ½ mi · Addition (adds square footage)); Sun First (2 on parcel, 2 in ½ mi · Electrical / panel); Blue Revolution (1 on parcel, 1 in ½ mi · Pool / spa).
Permit & Project History on This Parcel (20 permits, 0 grouped projects)
Showing 15 most recent permits| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 181340 | New garage / accessory structure | Issued | Iss. Mar 23, 2026 | $117,000 | Add Unconditioned Pool Bath & Changing Rm. Related To Bp#178329 |
| 178329 | Addition (adds square footage) | Issued | Iss. Dec 17, 2024 | $2,800,000 | Whole House Remodel; Addition Over Garage; Underpin Foundation |
| B36995 | Plumbing / water heater / sewer | Issued | Iss. Feb 13, 2024 | $5,400 | INSTALL BOILER — Replace Plumbing Fixtures(s) |
| 91161 | General repair | Applied | App. May 30, 2023 | — | Retaining Wall For Vehicle Turn-Out |
| B31222 | Plumbing / water heater / sewer | Issued |