166 B St
Hayward 94541 · Hayward · Coordinates: 37.66708, -122.09743
Parcel & Assessor
- Lot size:
- 3,937 sq ft (0.09 ac)
- Assessor use:
- Two, three or four single family homes
- Tax rate area:
- 25
- Addresses on lot:
- 162 B ST; 166 B ST
Zoning & Land Use
RM — Medium Density Residential (Hayward)
RM — Medium Density Residential (Hayward)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RM (multifamily residential): state law allows ADUs where homes are allowed. We read RM from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RM. 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 RM (multifamily residential), not a single-family residential zone. We read RM from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RM.
- SB 9: split into two lotsUnlikely
Zoned RM (multifamily residential), not a single-family residential zone. We read RM from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RM.
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) (all of the lot) · FIRM panel 06001C0286G, effective August 3, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $624,000 – $844,000 · Status: Off market
HUD Small Area FMR (ZIP 94541) · FY 2026
Studio $2,100 · 1BR $2,330 · 2BR $2,850 · 3BR $3,640 · 4BR $4,320
Nearby Activity (½ mile radius, since —)
20 active or recent development projects (21 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- 10 new homes (Entitled)300 ft W
Active in "Entitled" for 3.1 yr (first record Oct 11, 2023) with no new permit activity recorded in 3.1 yr. High-impact scale (10 housing units, 10 deed-restricted affordable across 0 permits).
- Christian Church Homes - 22500 Grand St. (603 A St.) (Issued)0.49 mi NE
Active in "Issued" for 2.7 yr (first record Feb 15, 2024) with no new permit activity recorded in 2.7 yr. High-impact scale (80 housing units, 79 deed-restricted affordable across 0 permits).
- Sequoia Grove - Tract 8104 - 123 A Street (Issued)180 ft NW
Active in "Issued" for 23 mo (first record Nov 22, 2024) with no new permit activity recorded in 23 mo. High-impact scale (1 housing unit, 1 deed-restricted affordable across 0 permits).
- Sequoia Grove - Tract 8104 - 123 A Street (Issued)180 ft N
Active in "Issued" for 23 mo (first record Nov 22, 2024) with no new permit activity recorded in 23 mo. High-impact scale (1 housing unit, 1 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: 2 entries (report years 2024, 2025).