1399 A St
Hayward 94541 · Hayward · Coordinates: 37.67855, -122.07679
Parcel & Assessor
- Lot size:
- 16,243 sq ft (0.37 ac)
- Assessor use:
- Vacant residential land, zoned 4 units or less
- Tax rate area:
- 25
- Addresses on lot:
- 1399 A ST
Zoning & Land Use
RLB6 — Low Density Residential - Min. Lot Size - 6,000 Sq Ft (Hayward)
RLB6 — Low Density Residential - Min. Lot Size - 6,000 Sq Ft (Hayward)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RLB6 (single-family residential): state law allows ADUs where homes are allowed. We read RLB6 from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RLB6. The assessor lists the lot as vacant: an ADU needs an existing or proposed main home.
- SB 9: two homes on the lotPossible, with conditions
Zoned RLB6, a single-family residential zone. We read RLB6 from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RLB6. FEMA Special Flood Hazard Area (Zone A) covers about 4% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned RLB6, a single-family residential zone. We read RLB6 from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RLB6. The lot is 16,243 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone A) covers about 4% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
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 A: 1% annual chance flood (Special Flood Hazard Area) (about 4% of the lot); Zone X: minimal flood hazard (about 95% of the lot) · FIRM panel 06001C0287G, 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: $917,000 – $1,241,000 · 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 —)
9 active or recent development projects (66 housing units across completed, permitted, and pipeline stages) and 0 total building permits recorded within ½ mile.
Developments Deserving Closer Investigation & Active Area Builders
- 1399 A Street (SB9) (Entitled)On this parcel
Active in "Entitled" for 3.9 yr (first record Dec 12, 2022) with no new permit activity recorded in 3.9 yr. High-impact scale (4 housing units across 0 permits).
- 30 new homes (Entitled)330 ft NW
Active in "Entitled" for 2.7 yr (first record Feb 29, 2024) with no new permit activity recorded in 2.7 yr. High-impact scale (30 housing units, 2 deed-restricted affordable across 0 permits).
- 4th and B Development (Tract 8427) (Entitled)500 ft SE
Active in "Entitled" for 8.3 yr (first record Jul 18, 2018) with no new permit activity recorded in 8.3 yr. High-impact scale (41 housing units across 0 permits).
- 1200 A Street Development (Entitled)0.23 mi SW
Active in "Entitled" for 5.8 yr (first record Jan 27, 2021) with no new permit activity recorded in 5.8 yr. High-impact scale (155 housing units 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: 1 entry (report years 2022).