18 The Nines
Lafayette 94549 · Unincorporated Contra Costa · Coordinates: 37.93820, -122.09321
Parcel & Assessor
- Lot size:
- 25,003 sq ft (0.57 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 73032
- Addresses on lot:
- 18 THE NINES
Zoning & Land Use
R-20 — Single Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-20 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-20, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-20, a single-family residential zone. The lot is 25,003 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 06013C0279F, 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: $1,810,000 – $2,448,000 · 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 —)
5 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
- 4 new homes (Entitled)0.13 mi N
Active in "Entitled" for 2.7 yr (first record Mar 4, 2024) with no new permit activity recorded in 2.7 yr. High-impact scale (4 housing units across 0 permits).
- 2 new homes (Entitled)0.12 mi NE
Active in "Entitled" for 13 mo (first record Oct 20, 2025) with no new permit activity recorded in 13 mo.
- New home (Issued)0.13 mi NE
Active in "Issued" for 2.1 yr (first record Oct 4, 2024) with no new permit activity recorded in 2.1 yr.
- New home (Entitled)0.13 mi NE
Active in "Entitled" for 4.1 yr (first record Oct 5, 2022) with no new permit activity recorded in 4.1 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: 2 entries (report years 2023, 2024).