46 Cliff Rd
Belvedere 94920 · Belvedere · Coordinates: 37.86625, -122.46456
Executive Verdict · Public-Records Synthesis
Zoned R-15 in Belvedere with likely ministerial ADU eligibility and mapped FEMA VE flood due diligence; benchmark value $3,690,000 ($3,137,000–$4,244,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-15 allows residential use qualifying for ministerial ADU review under state law.
Source: Belvedere zoning · CA Gov. Code 66314
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (VE, about 29% of the lot of lot)
Zone VE: 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
New home: Active in "Issued" for 6.9 yr (first record Dec 12, 2019) with no new permit activity recorded in 6.9 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: 18 new homes (0.43 mi N, 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 Belvedere
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 (Belvedere)
Parcel & Assessor
- Lot size:
- 17,119 sq ft (0.39 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 46 CLIFF RD
Zoning & Land Use
R-15 (Belvedere)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-15 (single-family residential): state law allows ADUs where homes are allowed. We read R-15 from the zoning code's name; we haven't checked it against Belvedere's code text.
- SB 9: two homes on the lotPossible, with conditions
Zoned R-15, a single-family residential zone. We read R-15 from the zoning code's name; we haven't checked it against Belvedere's code text. FEMA Special Flood Hazard Area (Zone VE) covers about 29% 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 R-15, a single-family residential zone. We read R-15 from the zoning code's name; we haven't checked it against Belvedere's code text. The lot is 17,119 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 29% 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 VE: 1% annual chance flood (Special Flood Hazard Area) (about 29% of the lot); Zone X: minimal flood hazard (about 71% of the lot) · FIRM panel 06041C0527E, 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: $3,137,000 – $4,244,000 · 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 —)
14 active or recent development projects (31 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)On this parcel
Active in "Issued" for 6.9 yr (first record Dec 12, 2019) with no new permit activity recorded in 6.9 yr.
- 18 new homes (Issued)0.43 mi N
Active in "Issued" for 2.6 yr (first record Apr 18, 2024) with no new permit activity recorded in 22 mo. High-impact scale (18 housing units, 4 deed-restricted affordable across 0 permits).
- New home (Issued)60 ft SE
Active in "Issued" for 5.8 yr (first record Jan 19, 2021) with no new permit activity recorded in 5.8 yr.
- New home (Issued)0.13 mi NE
Active in "Issued" for 7.4 yr (first record Jun 26, 2019) with no new permit activity recorded in 7.4 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 2019).