60 Trinidad Dr
Tiburon 94920 · Paradise Cay · Unincorporated Marin · Coordinates: 37.90873, -122.47381
Executive Verdict · Public-Records Synthesis
Zoned RSP-2.4-BFC in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA AE flood due diligence; benchmark value $3,322,000 ($2,923,000–$3,721,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RSP-2.4-BFC allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ 9 documented municipal building permits on file
On-parcel permit history is indexed through Jul 22, 2026, 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
- ! FEMA Special Flood Hazard Area (AE, about 63% 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)
- ! Delayed or open permit activity on this parcel
Other (179462): Issued after 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 3 slow or stalled nearby projects within ½ mile
Closest lead: New home at 149 Jamaica St (0.26 mi NW, 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)
- ! Year 1 Prop 13 tax reset (~$38,653/yr at $3,322,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$3,221/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:
- 24,829 sq ft (0.57 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 60 TRINIDAD DR
Zoning & Land Use
RSP-2.4-BFC — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-2.4-BFC (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned RSP-2.4-BFC, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AE) covers about 63% 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-2.4-BFC, a single-family residential zone. The lot is 24,829 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 63% 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
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (about 63% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 30% of the lot); Zone X: minimal flood hazard (about 8% of the lot) · FIRM panel 06041C0486E, 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: $2,923,000 – $3,721,000 · 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
- Other (179462) (Issued)On this parcel
Issued after 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
- Electrical / panel (178531) (Issued)On this parcel
Issued after 4 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
- Other (158155) (Issued)On this parcel
Issued after 4 mo — slower than 90% of other permits in Unincorporated Marin (median 0d, 90th pct 71d, n=1,560).
- New home at 149 Jamaica St (Issued)0.26 mi NW
Active in "Issued" for 12.2 yr (first record Aug 19, 2014) with no new permit activity recorded in 12 yr. High-impact scale (1 housing unit, $750,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: David Minger (2 on parcel, 2 in ½ mi · Electrical / panel); Capstone Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Theo Bernhard (1 on parcel, 1 in ½ mi · Other); Pjd Construction (1 on parcel, 1 in ½ mi · General repair); Nima Construction (1 on parcel, 1 in ½ mi · Other).
Permit & Project History on This Parcel (9 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94398 | Remodel / interior alteration | Applied | App. Jul 22, 2026 | $1,000,000 | Int Remodel, (N) Windows And Doors, (N) Skylights |
| 179903 | General repair | Issued | Iss. Aug 22, 2025 | $30,000 | Strengthen Concrete Grade Beam Under N E Stairs T.D. 7-1-25 |
| 179462 | Other | Issued | Iss. Jun 18, 2025 | $25,000 | Replace (E) Bridge To Floating Dock And (E) Glass Guardrails Along Bridge & Deck Area |
| 178531 | Electrical / panel | Issued | Iss. Jan 27, 2025 | $25,000 | Structural Repairs & Re-Installation Of Rolling Glass Roof; Replace Two Windows |
| B40666 | Other | Issued | Iss. Jan 10, 2025 |