1808 Centro West St
Tiburon 94920 · Tiburon · Coordinates: 37.87671, -122.45473
Executive Verdict · Public-Records Synthesis
Zoned R-2 in Tiburon with likely ministerial ADU eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $3,472,000 ($2,951,000–$3,993,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-2 allows residential use qualifying for ministerial ADU review under state law.
Source: Tiburon zoning · CA Gov. Code 66314
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)
- ! Delayed or open permit activity on this parcel
New home: Active in "Issued" for 2.8 yr (first record Feb 7, 2024) with no new permit activity recorded in 2.8 yr.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: New home (330 ft SW, 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)
Parcel & Assessor
- Lot size:
- 7,667 sq ft (0.18 ac)
- Assessor use:
- Multiple-Resid. - Improved
- Addresses on lot:
- 1808 CENTRO WEST ST
Zoning & Land Use
R-2 — Two-Family Residential (Tiburon)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-2 (two-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotCan't tell
Zoned R-2 (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Two-Family Residential.
- SB 9: split into two lotsCan't tell
Zoned R-2 (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Two-Family Residential.
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 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: $2,951,000 – $3,993,000 · 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 November 2024)
10 active or recent development projects (10 housing units across completed, permitted, and pipeline stages) and 3 total building permits recorded within ½ mile.
- New construction1 permit
- Building systems1 permit
- Other1 permit
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)On this parcel
Active in "Issued" for 2.8 yr (first record Feb 7, 2024) with no new permit activity recorded in 2.8 yr.
- New home (Issued)330 ft SW
Active in "Issued" for 2.3 yr (first record Jul 17, 2024) with no new permit activity recorded in 2.3 yr.
- New home (Issued)480 ft W
Active in "Issued" for 20 mo (first record Mar 7, 2025) with no new permit activity recorded in 20 mo.
- New home (Issued)0.12 mi N
Active in "Issued" for 21 mo (first record Jan 28, 2025) with no new permit activity recorded in 21 mo.
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 2024).