1681 Las Trampas Rd
Alamo 94507 · Unincorporated Contra Costa · Coordinates: 37.84227, -122.03948
Parcel & Assessor
- Lot size:
- 48,787 sq ft (1.12 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 66015
- Addresses on lot:
- 1681 LAS TRAMPAS RD
Zoning & Land Use
A-2 — General Agricultural (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A-2 (agricultural): ADUs are allowed if the zone allows a home, which depends on the zone's rules.
- SB 9: two homes on the lotUnlikely
Zoned A-2 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A-2 (agricultural), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- High 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 06013C0433F, effective June 16, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $2,399,000 – $3,245,000 · Status: Off market
HUD Small Area FMR (ZIP 94507) · FY 2026
Studio $2,610 · 1BR $2,910 · 2BR $3,550 · 3BR $4,540 · 4BR $5,380
Nearby Activity (½ mile radius, since —)
6 active or recent development projects (7 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 (Entitled)On this parcel
Active in "Entitled" for 4.3 yr (first record Jun 30, 2022) with no new permit activity recorded in 4.3 yr.
- New home (Entitled)0.13 mi S
Active in "Entitled" for 7.5 yr (first record May 14, 2019) with no new permit activity recorded in 7.5 yr.
- New home (Issued)0.17 mi NE
Active in "Issued" for 3.6 yr (first record Mar 22, 2023) with no new permit activity recorded in 3.6 yr.
- New home (Issued)0.27 mi E
Active in "Issued" for 13 mo (first record Sep 22, 2025) with no new permit activity recorded in 13 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: 3 entries (report years 2022, 2023, 2024).