3629 Happy Valley Ln
Lafayette 94549 · Lafayette · Coordinates: 37.89450, -122.12581
Parcel & Assessor
- Lot size:
- 10,890 sq ft (0.25 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 14002
- Addresses on lot:
- 3629 HAPPY VALLEY LN
Zoning & Land Use
No published city zoning district at parcel centroid.
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
We don't have a zoning map for Lafayette.
- SB 9: two homes on the lotCan't tell
We don't have a zoning map for Lafayette.
- SB 9: split into two lotsCan't tell
We don't have a zoning map for Lafayette.
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: 0.2% annual chance flood hazard (shaded X) (about 6% of the lot); Zone X: minimal flood hazard (about 94% of the lot) · FIRM panel 06013C0269F, 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: $1,702,000 – $2,302,000 · Status: Off market
HUD Small Area FMR (ZIP 94549) · FY 2026
Studio $2,880 · 1BR $3,210 · 2BR $3,920 · 3BR $5,010 · 4BR $5,940
Nearby Activity (½ mile radius, since —)
7 active or recent development projects (119 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- Rutherford ADU (Entitled)On this parcel
Active in "Entitled" for 5.5 yr (first record May 24, 2021) with no new permit activity recorded in 5.5 yr.
- Oak Hill Place HDP24-24 (Entitled)0.21 mi NE
Active in "Entitled" for 16 mo (first record Jul 14, 2025) with no new permit activity recorded in 16 mo. High-impact scale (20 housing units, 3 deed-restricted affordable across 0 permits).
- SAJ Oak Hill DR18-24 (Entitled)0.3 mi E
Active in "Entitled" for 17 mo (first record Jun 9, 2025) with no new permit activity recorded in 17 mo. High-impact scale (90 housing units, 11 deed-restricted affordable across 0 permits).
- SAJ Oak Hill DR06-22 (Entitled)0.3 mi E
Active in "Entitled" for 2.5 yr (first record May 13, 2024) with no new permit activity recorded in 2.5 yr. High-impact scale (53 housing units, 6 deed-restricted affordable across 0 permits).
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 2021).