136 Crane Dr
San Anselmo 94960 · Sleepy Hollow · Unincorporated Marin · Coordinates: 38.01492, -122.58734
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 $2,011,000 ($1,770,000–$2,252,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-0.5 allows residential use qualifying for ministerial ADU review under state law (1 ADU permit permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$14,546 contributory est.)
Public building records show issued construction/renovation work on this parcel (5 total permits, latest Mar 1, 2022).
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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 99 Garden Rock Rd (0.32 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)
- ! Year 1 Prop 13 tax reset (~$23,577/yr at $2,011,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,965/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Parcel & Assessor
- Lot size:
- 44,083 sq ft (1.01 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 136 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: $1,770,000 – $2,252,000 · 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
Nearby Activity (½ mile radius, since November 2024)
3 active or recent development projects (2 housing units across completed, permitted, and pipeline stages) and 230 total building permits recorded within ½ mile.
- New construction9 permits
- Adds housing (ADU)2 permits (2 units)
- Demolition2 permits
- Additions & renovations27 permits
- Building systems158 permits
- Repairs6 permits
- Other26 permits
Developments Deserving Closer Investigation & Active Area Builders
- New home at 99 Garden Rock Rd (Applied)0.32 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).
- New commercial building at 1500 Butterfield Rd (Issued)0.14 mi NE
Active in "Issued" for 4 yr (first record Oct 25, 2022) with no new permit activity recorded in 12 mo. High-impact scale ($2,700,000 declared valuation across 2 permits).
- New commercial building at 1500 Butterfield Rd (Applied)0.14 mi NE
Active in "Applied" for 7.5 yr (first record May 15, 2019) with no new permit activity recorded in 7.5 yr. High-impact scale ($2,500,000 declared valuation across 2 permits).
- New home at 121 Van Tassel Ct (Issued)0.26 mi SE
Active in "Issued" for 8.7 yr (first record Feb 21, 2018) with no new permit activity recorded in 8.4 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Abril Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Sunpower (1 on parcel, 1 in ½ mi · Solar / battery storage); Wilkinson Design And Construction (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Kukahiko (1 on parcel, 1 in ½ mi · Solar / battery storage); Ernest Ongaro And Sons (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B28896 | Solar / battery storage | Issued | Iss. Mar 1, 2022 | $10,000 | Replace existing photovoltaic system with new 4.4kw photovoltaic with batteries. |
| 168013 | Solar / battery storage | Issued | Iss. May 4, 2021 | $21,740 | 5.74 Kw Rooftop Photovoltaic & Energy Storage System *E-Inspection* |
| B23738 | Plumbing / water heater / sewer | Issued | Iss. Oct 5, 2020 | $3,400 | Replace existing tankless water heater with TWO new tankless water heaters. 20' 1'' gas line. 400,000 BTU total. — Repla… |
| B15458 | Roof replacement | Issued | Iss. Jul 19, 2018 | $27,700 | apply polyurethane foam overlay over existing roof no tear off — ReRoofing |
| 149964 | Remodel / interior alteration | Issued | Iss. Nov 30, 2015 | $11,000 | Bathroom Remodel |