63 Seacape Dr
Sausalito 94965 · Muir Beach · Unincorporated Marin · Coordinates: 37.86276, -122.58296
Executive Verdict · Public-Records Synthesis
Zoned C-RA-B4 in Unincorporated Marin and mapped CAL FIRE very high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,831,000 ($1,611,000–$2,051,000).
Upsides & Opportunities
- ✓ 6 documented municipal building permits on file
On-parcel permit history is indexed through Nov 7, 2022, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
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 Very High 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
Windows / doors / siding (158231): Issued after 2 mo — slower than 90% of windows / doors / siding permits in Unincorporated Marin (median 0d, 90th pct 5d, n=1,477).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 69 Starbuck Dr (adu 69a) (0.23 mi E, issued). 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:
- 24,786 sq ft (0.57 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 63 SEACAPE DR
Zoning & Land Use
C-RA-B4 — Residential Agriculture (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUPossible, with conditions
Zoned C-RA-B4 (single-family residential): state law allows ADUs where homes are allowed. Very High Fire Hazard Severity Zone covers all of the lot: cities may limit ADUs here for fire safety and evacuation.
- SB 9: two homes on the lotCan't tell
Zoned C-RA-B4 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
- SB 9: split into two lotsCan't tell
Zoned C-RA-B4 (single-family residential): we can't tell whether it counts as a single-family zone for SB 9. Residential agriculture, estate and restricted: large-lot residential; confirm SB 9 with the county.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Very High 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 06041C0505E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,611,000 – $2,051,000 · Status: Off market
HUD Small Area FMR (ZIP 94965) · FY 2026
Studio $2,720 · 1BR $3,260 · 2BR $3,950 · 3BR $5,050 · 4BR $5,230
Developments Deserving Closer Investigation & Active Area Builders
- Windows / doors / siding (158231) (Issued)On this parcel
Issued after 2 mo — slower than 90% of windows / doors / siding permits in Unincorporated Marin (median 0d, 90th pct 5d, n=1,477).
- Accessory dwelling unit at 69 Starbuck Dr (adu 69a) (Issued)0.23 mi E
Active in "Issued" for 2.5 yr (first record May 28, 2024) with no new permit activity recorded in 20 mo. High-impact scale (1 housing unit, $1,200,000 declared valuation across 1 permit).
- Other (158230) (Issued)On this parcel
Issued after 2 mo — above the 75th percentile for other permits in Unincorporated Marin (median 0d, 75th pct 1d, n=1,562).
- New commercial building at 87 Seacape Dr (Issued)0.12 mi W
Active in "Issued" for 2.6 yr (first record Apr 17, 2024) with no new permit activity recorded in 19 mo.
Entity-resolved builders & contractors in ½ mile: Ballas Construction (2 on parcel, 2 in ½ mi · Other); Peter Levi Plumbing (2 on parcel, 2 in ½ mi · Other); Robinson Landscaping (1 on parcel, 1 in ½ mi · New garage / accessory structure); Db Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (11 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (6 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B31677 | Other | Issued | Iss. Nov 7, 2022 | $17,500 | C/O Current (2) Furnaces like for like; high efficiency 40k BTU and 60k BTU propane models — Replace Mechanical Applianc… |
| B24216 | Plumbing / water heater / sewer | Issued | Iss. Nov 18, 2020 | $7,457 | CHANGE OUT TANKLESS WATER HEATER — Replace Plumbing Fixtures(s) |
| 160383 | New garage / accessory structure | Issued | Iss. Dec 20, 2018 | $81,000 | Greenhouse T.D. 11/14/18 |
| B14952 | Electrical / panel | Issued | Iss. May 10, 2018 | $26,000 | Garage • Add motion sensor fixture to front of garage in corner • Add (1) decorative sconce inside gate at garage • Relo… |
| 158231 | Windows / doors / siding |