2090 Shell Ridge Trl
Walnut Creek 94598 · Unincorporated Contra Costa · Coordinates: 37.90973, -121.99672
Parcel & Assessor
- Lot size:
- 43,560 sq ft (1.00 ac)
- Assessor use:
- Rural, residential improved, 1 acre up to 10 acres
- Tax rate area:
- 79108
- Addresses on lot:
- 2090 SHELL RIDGE TRAIL; 701 N GATE 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 (Local Responsibility Area) (about 16% of the lot, map Mar 24, 2025); Moderate Fire Hazard Severity Zone (Local Responsibility Area) (about 84% of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06013C0315F, effective June 16, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Alquist-Priolo Earthquake Fault Zone (Clayton quadrangle) (all of the lot)
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,297,000 – $1,755,000 · Status: Off market
HUD Small Area FMR (ZIP 94598) · FY 2026
Studio $2,850 · 1BR $3,180 · 2BR $3,880 · 3BR $4,960 · 4BR $5,880
Nearby Activity (½ mile radius, since —)
2 active or recent development projects (2 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 2.5 yr (first record Apr 25, 2024) with no new permit activity recorded in 2.5 yr.
- New home (Issued)On this parcel
Active in "Issued" for 2.5 yr (first record Apr 25, 2024) with no new permit activity recorded in 2.5 yr.
- New home (Entitled)390 ft SE
Active in "Entitled" for 7.4 yr (first record Jun 25, 2019) with no new permit activity recorded in 7.4 yr.
- New home (Entitled)440 ft W
Active in "Entitled" for 2.5 yr (first record Apr 23, 2024) with no new permit activity recorded in 2.5 yr.
Permit & Project History on This Parcel (0 permits, 2 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 2024, 2025).