3900 Paradise Dr
Tiburon 94920 · Unincorporated Tiburon · Unincorporated Marin · Coordinates: 37.90032, -122.46789
Parcel & Assessor
- Lot size:
- 434,032 sq ft (9.96 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 3900 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 70% 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 434,032 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 70% 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 37% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone VE: 1% annual chance flood (Special Flood Hazard Area) (about 70% of the lot); Zone X: minimal flood hazard (about 30% 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: $2,625,000 – $3,341,000 · 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
- Demolition at 3900 Paradise Dr (Applied)On this parcel
Active in "Applied" for 2.3 yr (first record Jul 16, 2024) with no new permit activity recorded in 2.3 yr.
- New home at 3880 Paradise Dr (Issued)420 ft S
Active in "Issued" for 12.7 yr (first record Feb 13, 2014) with no new permit activity recorded in 11.4 yr. High-impact scale (1 housing unit, $2,240,000 declared valuation across 2 permits).
- New home at 3870 Paradise Dr (Issued)0.14 mi SW
Active in "Issued" for 3.6 yr (first record Mar 22, 2023) with no new permit activity recorded in 2.6 yr. High-impact scale (1 housing unit, $2,100,000 declared valuation across 1 permit).
- Accessory dwelling unit at 3860 Paradise Dr Aka (Issued)0.15 mi SW
Active in "Issued" for 2.8 yr (first record Jan 23, 2024) with no new permit activity recorded in 12 mo. High-impact scale (1 housing unit, $1,400,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 179293 | New garage / accessory structure | Issued | Iss. May 20, 2025 | $3,000,000 | Whole House Remodel; Uncond Basement Remodel; New Entry Stairs |
| 92402 | Demolition | Applied | App. Jul 16, 2024 | $65,000 | Interior Demo Only |
| 177088 | Demolition | Issued | Iss. Jul 16, 2024 | $15,000 | Demo (E) Pool, Fill & Compact For Garden Area |