3560 Paradise Dr
Tiburon 94920 · Unincorporated Tiburon · Unincorporated Marin · Coordinates: 37.89493, -122.45949
Executive Verdict · Public-Records Synthesis
Zoned RSP-1-BFC in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA AE flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $3,463,000 ($3,047,000–$3,879,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RSP-1-BFC allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$138,894 contributory est.)
Public building records show issued construction/renovation work on this parcel (5 total permits, latest Apr 15, 2025).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (AE, about 49% of the lot of lot)
Zone AE: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! CAL FIRE Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 62% 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)
- ! 2 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 21 Teaberry Ln (0.47 mi SE, 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 (~$40,275/yr at $3,463,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$3,356/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:
- 75,141 sq ft (1.73 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 3560 PARADISE DR
Zoning & Land Use
RSP-1-BFC — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-1-BFC (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned RSP-1-BFC, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AE) covers about 49% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned RSP-1-BFC, a single-family residential zone. The lot is 75,141 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AE) covers about 49% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 62% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (Local Responsibility Area) (about 10% of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (about 49% of the lot); Zone X: minimal flood hazard (about 51% of the lot) · FIRM panel 06041C0489E, 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: $3,047,000 – $3,879,000 · Status: Off market
HUD Small Area FMR (ZIP 94920) · FY 2026
Studio $2,820 · 1BR $3,380 · 2BR $4,100 · 3BR $5,230 · 4BR $5,420
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 21 Teaberry Ln (Applied)0.47 mi SE
In "Applied" for 4.5 yr (since May 5, 2022), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- New home (Issued)0.44 mi SW
Active in "Issued" for 2 yr (first record Nov 11, 2024) with no new permit activity recorded in 2 yr.
Entity-resolved builders & contractors in ½ mile: G Family (2 on parcel, 2 in ½ mi · Remodel / interior alteration); Hendrickson Pools (1 on parcel, 1 in ½ mi · Pool / spa); Northern Pacific Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Kelly Plumbing And Heating (1 on parcel, 1 in ½ mi · HVAC / heat pump); Schalich Brothers Construction (4 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 179038 | Remodel / interior alteration | Issued | Iss. Apr 15, 2025 | $75,000 | Remodel Kitchen And Pantry; Add Exterior Wall Mounted Heater |
| B33461 | Roof replacement | Issued | Iss. May 16, 2023 | $37,950 | Remove 1500 sq ft existing tile roof and install new synthetic underlayment. Reinstall tile. — ReRoofing; With Electroni… |
| 172427 | Remodel / interior alteration | Issued | Iss. Sep 26, 2022 | $137,000 | Structural Interior Remodel Of Bathrooms, Closet, Bedroom |
| 168899 | Pool / spa | Issued | Iss. Jul 22, 2021 | $100,000 | Pool W/Auto Cover |
| B16059 | HVAC / heat pump | Issued | Iss. Oct 1, 2018 |