340 Montecillo Dr
Walnut Creek 94595 · Unincorporated Contra Costa · Coordinates: 37.87896, -122.06474
Parcel & Assessor
- Lot size:
- 20,038 sq ft (0.46 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 98002
- Addresses on lot:
- 340 MONTECILLO DR
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 20,038 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
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06013C0289G, effective March 21, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $621,000 – $839,000 · Status: Off market
HUD Small Area FMR (ZIP 94595) · FY 2026
Studio $2,200 · 1BR $2,450 · 2BR $2,990 · 3BR $3,820 · 4BR $4,530
Nearby Activity (½ mile radius, since —)
10 active or recent development projects (11 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 3.8 yr (first record Jan 4, 2023) with no new permit activity recorded in 3.8 yr.
- New home (Issued)On this parcel
Active in "Issued" for 3.8 yr (first record Jan 4, 2023) with no new permit activity recorded in 3.8 yr.
- Holden Senior Living Facility (Entitled)0.3 mi W
Active in "Entitled" for 4.6 yr (first record Apr 6, 2022) with no new permit activity recorded in 4.6 yr. High-impact scale (139 housing units across 0 permits).
- Hope Village Micro Homes (Entitled)0.3 mi SW
Active in "Entitled" for 3.3 yr (first record Jul 5, 2023) with no new permit activity recorded in 3.3 yr. High-impact scale (6 housing units, 6 deed-restricted affordable across 0 permits).
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 2023, 2024).