2900 Paradise Dr
Tiburon 94920 · Unincorporated Tiburon · Unincorporated Marin · Coordinates: 37.88610, -122.44492
Executive Verdict · Public-Records Synthesis
Zoned RSP-1-BFC in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA VE flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $3,043,000 ($2,678,000–$3,408,000).
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 (+$60,000 contributory est.)
Public building records show issued construction/renovation work on this parcel (10 total permits, latest Jan 29, 2025).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (VE, about 2% of the lot of lot)
Zone VE: 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) (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
Remodel / interior alteration (158142): Issued after 5 mo (1.8× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$35,445/yr at $3,043,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,954/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:
- 373,179 sq ft (8.57 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 2900 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 VE) covers about 2% 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 373,179 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 VE) covers about 2% 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) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone VE: 1% annual chance flood (Special Flood Hazard Area) (about 2% of the lot); Zone X: minimal flood hazard (about 98% 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: $2,678,000 – $3,408,000 · 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
- Remodel / interior alteration (158142) (Issued)On this parcel
Issued after 5 mo (1.8× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Entity-resolved builders & contractors in ½ mile: Owner (6 on parcel, 8 in ½ mi · Remodel / interior alteration); All Bay Solar Construction (2 on parcel, 2 in ½ mi · Other); Kelly Domer Partners Dba Pacific Constr (1 on parcel, 1 in ½ mi · Remodel / interior alteration); King Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Owner Builder (4 in ½ mi · Accessory dwelling unit (new or conversion)).
Permit & Project History on This Parcel (10 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 178556 | General repair | Issued | Iss. Jan 29, 2025 | $25,000 | Replace Drywall In Honey Rm |
| B40427 | Plumbing / water heater / sewer | Issued | Iss. Dec 4, 2024 | $5,000 | We have an underground water leak off of our south meter (we have two water meters with Marin Municipal Water District) … |
| B40424 | Roof replacement | Issued | Iss. Dec 4, 2024 | $10,000 | We replaced the roof because part of it over our honey room had to be replaced anyway due to big tree branches falling o… |
| B40421 | HVAC / heat pump | Issued | Iss. Dec 4, 2024 | $100,000 | This permit application is for replacing the electric baseboard heaters to modern heatpumps which are much more energy e… |
| B40419 | Windows / doors / siding |