81 Mayhew Way
Pleasant Hill 94523 · Unincorporated Contra Costa · Coordinates: 37.93793, -122.05521
Parcel & Assessor
- Lot size:
- 246,550 sq ft (5.66 ac)
- Assessor use:
- Apartments, 60 units or more
- Tax rate area:
- 79268
- Addresses on lot:
- 310 SHAW RD; 318 SHAW RD; 320 SHAW RD
Zoning & Land Use
M-17 — Multiple Family Residential (Unincorporated Contra Costa)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned M-17 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned M-17 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned M-17 (multifamily residential), not a single-family residential zone.
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 06013C0283F, 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: $1,441,000 – $1,949,000 · Status: Off market
HUD Small Area FMR (ZIP 94523) · FY 2026
Studio $2,300 · 1BR $2,560 · 2BR $3,130 · 3BR $4,000 · 4BR $4,740
Nearby Activity (½ mile radius, since —)
8 active or recent development projects (156 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- 149 new homes (Entitled)On this parcel
Active in "Entitled" for 22 mo (first record Jan 16, 2025) with no new permit activity recorded in 22 mo. High-impact scale (149 housing units across 0 permits).
- New home (Issued)0.17 mi SE
Active in "Issued" for 23 mo (first record Dec 6, 2024) with no new permit activity recorded in 23 mo.
- New home (Entitled)0.17 mi SE
Active in "Entitled" for 23 mo (first record Dec 6, 2024) with no new permit activity recorded in 23 mo.
- New home (Issued)0.22 mi SW
Active in "Issued" for 9.6 yr (first record Apr 17, 2017) with no new permit activity recorded in 9.6 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: 1 entry (report years 2025).