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28823 Mack St, Hayward, CA 94545 Property Records

Alameda County property record for 28823 Mack St, Hayward, CA 94545

Property Summary

Property TypeIndustrial Condominium
Details2,592 sqft · built 2004
Lot Size1.34 acres (58,686 sqft)
OwnerIndividual Name on Record
Last Sale$600,000 (Aug 2017)
Tax Bill$8,509 (2025)
Deeds & MortgagesAug 2017 Sale
Flood ZoneZone X (minimal risk)
APN432-80-25

Property Details

APN / Parcel Number

Primary APN432-80-25
Alternative APN
  • 432-0080-025-00

Interior

Stories1 Story
Building Area2,592 sqft Total Area

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2005
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Lot Area58,686 sqft

Location & Zoning

Street Address28823 MACK ST
CityHAYWARD
StateCA
Zip94545-1215
Property CategoryIndustrial
Property TypeIndustrial > Industrial Condominium
Legal DescriptionBK: P276 PAGE: 67 LOT: BLDG: UNIT:3
Legal SubdivisionPARCEL MAP 8256 BLDG 1-7
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group4
Census Block4005
Census Tract437101

Owner

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on Record
Mailing Address309 FOOTHILL BLVD, SAN LEANDRO, CA 94577-2105
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 21, 2017 · Amount on Record
Deed SaleAug 21, 2017 · Amount on Record
Prior SaleJul 28, 2005 · Amount on Record
Deed Document Number2017182615
Record UpdatedOct 29, 2026

August 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateAug 21, 2017
Property Address28823 MACK ST, HAYWARD, CA 94545-1215
Document Number0000182615
Instrument DateAug 16, 2017
Instrument182615
Transaction TypeTransfer
Record UpdatedSep 18, 2017
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

AmountAmount Recorded
Tax$660.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address309 FOOTHILL BLVD SAN LEANDRO CA 945772105, SAN LEANDRO, CA 94577-2105

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityHayward City
Unified School DistrictSan Lorenzo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$696,335 (+2%) Land $278,534 Building $417,801
2025$8,509.00 (+2.15%)$682,685 (+4.04%) Land $273,074 Building $409,611
2023$8,330.00$656,177 Land $262,471 Building $393,706

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies7 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF HAYWARD
serves 162,954 people · EPA ID CA0110006
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 84 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Fiber · Cable in parts of the area		2,000 / 250
Tekify Fiber & Wireless
Fixed Wireless		530 / 115
Unwired
Fixed Wireless		300 / 25
AT&T
Fixed Wireless		100 / 20

May also be available: Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile, Verizon.

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