12 Via Paraiso Unit A
Tiburon 94920 · Tiburon · Coordinates: 37.88987, -122.47365
Executive Verdict · Public-Records Synthesis
Zoned RPD in Tiburon and zero mapped flood, fire, or fault hazard overlaps; benchmark value $3,627,000 ($3,083,000–$4,171,000).
Upsides & Opportunities
- ✓ Area valuation benchmark anchored at $3,627,000
Estimated range $3,083,000–$4,171,000 derived from area zhvi + acs + permit benchmark and 13,591 sq ft lot geometry.
Source: ZIP 94920 Zillow Home Value Index ($3,404,730, September 2026) (Data provided by Zillow)
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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home (140 ft SE, 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)
- ! Bulk building permits not published for Tiburon
Permit counts and nearby activity on this page may omit municipal counter records. Request a parcel permit report directly from the local building department.
Source: Source coverage registry (Tiburon)
- ! Year 1 Prop 13 tax reset (~$42,161/yr at $3,627,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$3,513/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:
- 13,591 sq ft (0.31 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 12 VIA PARAISO UNIT A; 12 VIA PARAISO W
Zoning & Land Use
RPD — Residential Planned Development (Tiburon)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned RPD (planned development): ADUs are allowed if the zone allows a home, which depends on the approved plan.
- SB 9: two homes on the lotCan't tell
Zoned RPD (planned development): we can't tell whether it counts as a single-family zone for SB 9. Residential Planned Development.
- SB 9: split into two lotsCan't tell
Zoned RPD (planned development): we can't tell whether it counts as a single-family zone for SB 9. Residential Planned Development.
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 X: minimal flood hazard (all of the lot) · FIRM panel 06041C0488E, 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: $3,083,000 – $4,171,000 · 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
Nearby Activity (½ mile radius, since —)
3 active or recent development projects (3 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)140 ft SE
Active in "Issued" for 8.2 yr (first record Aug 30, 2018) with no new permit activity recorded in 8.2 yr.
- New home (Issued)0.2 mi W
Active in "Issued" for 2.7 yr (first record Mar 7, 2024) with no new permit activity recorded in 2.7 yr.
- New home (Entitled)0.21 mi W
Active in "Entitled" for 17 mo (first record May 30, 2025) with no new permit activity recorded in 17 mo.
- New home (Issued)0.21 mi SW
Active in "Issued" for 2.2 yr (first record Sep 10, 2024) with no new permit activity recorded in 2.2 yr.
Permit & Project History on This Parcel (0 permits, 1 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 1 entry (report years 2023).