Alameda County property record for 31730 Knapp St, Hayward, CA 94544
| Property Type | Warehouse, Storage |
|---|---|
| Details | 1 ba · 5,963 sqft · built 1981 |
| Lot Size | 0.313 acres (13,638 sqft) |
| Owner | Company Name on Record |
| Last Sale | $815,000 (Dec 2013) |
| Tax Bill | $12,919 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 475-172-13 |
| Primary APN | 475-172-13 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 5,963 sqft Total Area |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 13,638 sqft (0.313 acres) |
| Street Address | 31730 KNAPP ST |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-7826 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | LOT: 00012 BLK: TR: 4169 |
| Legal Tract | 4169 |
| Legal Lot Number | 12 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1081 |
| Census Tract | 438203 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 18245 E VALLEY BLVD, LA PUENTE, CA 91744-5939 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 20, 2013 · Amount on Record |
| Deed Sale | Dec 20, 2013 · Amount on Record |
| Prior Sale | Apr 25, 2007 · Amount on Record |
| Deed Document Number | 2013388404 |
| Prior Transfer Date | Mar 22, 2008 |
| Prior Transfer Doc | 0000185431 |
| Record Updated | Oct 29, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | New Haven Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,019,010 (+2%) Land $437,612 Building $581,398 | |
| 2025 | $12,919.00 (+6.67%) | $999,034 (+4.04%) Land $429,033 Building $570,001 |
| 2023 | $12,111.00 | $960,249 Land $412,377 Building $547,872 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 19 policies |
| Nearby Flood Policies | 19 in force |
| Nearby Flood Claims | 2 (1995–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 374 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Tekify Fiber & Wireless Fixed Wireless | 1,000 / 1,000 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Kwikbit Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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