3300 Paradise Dr
Tiburon 94920 · Unincorporated Tiburon · Unincorporated Marin · Coordinates: 37.89272, -122.45226
Executive Verdict · Public-Records Synthesis
Zoned RSP-1-BFC in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $3,365,000 ($2,961,000–$3,769,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned RSP-1-BFC supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 69,173 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$40,800 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Aug 4, 2021).
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 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
Solar / battery storage (168986): Issued after 2 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
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 21 Teaberry Ln (0.11 mi S, 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)
Parcel & Assessor
- Lot size:
- 69,173 sq ft (1.59 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 3300 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 lotLikely eligible
Zoned RSP-1-BFC, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RSP-1-BFC, a single-family residential zone. The lot is 69,173 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 X: minimal flood hazard (all 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: $2,961,000 – $3,769,000 · 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
- Solar / battery storage (168986) (Issued)On this parcel
Issued after 2 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
- Accessory dwelling unit at 21 Teaberry Ln (Applied)0.11 mi S
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)0.1 mi SE
Active in "Issued" for 6.7 yr (first record Feb 20, 2020) with no new permit activity recorded in 6.7 yr.
- New home (Issued)0.42 mi SW
Active in "Issued" for 2 yr (first record Nov 21, 2024) with no new permit activity recorded in 2 yr.
Entity-resolved builders & contractors in ½ mile: Schalich Brothers Construction (3 on parcel, 3 in ½ mi · Remodel / interior alteration); Luminalt Energy (1 on parcel, 1 in ½ mi · Solar / battery storage); Owner (2 in ½ mi · Addition (adds square footage)); G Family (2 in ½ mi · Remodel / interior alteration); Tamalpais Construction (2 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 168986 | Solar / battery storage | Issued | Iss. Aug 4, 2021 | $165,989 | 27.880 Kw Rooftop Photovoltaic & Energy Storage System - Express |
| 150643 | Remodel / interior alteration | Issued | Iss. Feb 4, 2016 | $40,000 | Rmdl Detatched Ofc T.D. 11/17/15 |
| 150642 | Remodel / interior alteration | Issued | Iss. Feb 4, 2016 | $40,000 | Rmdl Lower Lvl (E) Hse T.D. 12/17/15 |
| 149880 | Remodel / interior alteration | Issued | Iss. Nov 19, 2015 | $50,000 | Interior Remodel T.D. 11/4/15 |