2849 Baumberg Ave
Hayward 94545 · Hayward · Coordinates: 37.62215, -122.09963
Parcel & Assessor
- Lot size:
- 7,173 sq ft (0.16 ac)
- Assessor use:
- Vacant residential land, zoned 4 units or less
- Tax rate area:
- 25
- Addresses on lot:
- 2849 BAUMBERG AVE; 2851 BAUMBERG AVE
Zoning & Land Use
RL — Low Density Residential - Min. Lot Size - 5,000 Sq Ft (Hayward)
RL — Low Density Residential - Min. Lot Size - 5,000 Sq Ft (Hayward)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RL (single-family residential): state law allows ADUs where homes are allowed. We read RL from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RL. The assessor lists the lot as vacant: an ADU needs an existing or proposed main home.
- SB 9: two homes on the lotLikely eligible
Zoned RL, a single-family residential zone. We read RL from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RL.
- SB 9: split into two lotsLikely eligible
Zoned RL, a single-family residential zone. We read RL from the zoning code's name; we haven't checked it against Hayward's code text. The parcel point also falls in RL. The lot is 7,173 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 06001C0426G, 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: $1,056,000 – $1,428,000 · Status: Off market
HUD Small Area FMR (ZIP 94545) · FY 2026
Studio $2,250 · 1BR $2,510 · 2BR $3,060 · 3BR $3,910 · 4BR $4,640
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
- Baumberg SFR & ADU (Entitled)On this parcel
Active in "Entitled" for 4 yr (first record Nov 8, 2022) with no new permit activity recorded in 4 yr.
- New home (Issued)290 ft N
Active in "Issued" for 3.7 yr (first record Feb 22, 2023) with no new permit activity recorded in 3.7 yr.
- New home (Entitled)0.37 mi E
Active in "Entitled" for 14 mo (first record Sep 18, 2025) with no new permit activity recorded in 14 mo.
- New home (Issued)0.46 mi NE
Active in "Issued" for 15 mo (first record Jul 30, 2025) with no new permit activity recorded in 15 mo.
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).