Alameda County property record for 31035 Genstar Rd, Hayward, CA 94544
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 7 ba · 45,000 sqft · built 1985 |
| Lot Size | 2.92 acres (127,630 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,887,500 (Jun 2019) |
| Tax Bill | $112,950 (2025) |
| Deeds & Mortgages | Jun 2019 Sale Jun 2018 Loan Modification + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 475-173-10 |
| Primary APN | 475-173-10 |
|---|---|
| Alternative APN |
|
| Full Baths | 7 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 45,000 sqft Total Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Custom Design |
| Exterior Material | Precast Concrete Panel |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 127,630 sqft |
| Street Address | 31035 GENSTAR RD |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-7831 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | IND |
| Legal Description | LOT: 00009 BLK: TR: 4234 |
| Legal Tract | 4234 |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1051 |
| Census Tract | 438203 |
31035 Genstar Rd, an industrial property, is owned by a company that bought it in June 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1530 OBRIEN DR, C, MENLO PARK, CA 94025-1454 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 25, 2019 | Grant Deed, Transfer NOT AVAILABLE |
| Jun 14, 2018 | Loan Modification, Mortgage SHANGHAI COM'L BK LTD |
| Aug 7, 2017 | Deed of Trust, Mortgage SHANGHAI COM'L BK LTD |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 25, 2019 · Amount on File |
| Deed Sale | Jun 25, 2019 · Amount on File |
| Deed Document Number | 2019120166 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 25, 2019 |
| Property Address | 31035 GENSTAR RD, HAYWARD, CA 94544-7831 |
| Document Number | 0000120166 |
| Instrument Date | Jun 14, 2019 |
| Instrument | 120166 |
| Transaction Type | Transfer |
| Record Updated | Jul 26, 2019 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Tax | $8,676.25 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1530 OBRIEN DR #C MENLO PARK CA 940251454, C, MENLO PARK, CA 94025-1454 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 31035 GENSTAR RD, HAYWARD, CA 94544-7831 |
| Document Number | 0000120411 |
| Instrument Date | Jun 14, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jul 4, 2018 |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 5 3RD ST #430 SAN FRANCISCO CA 941033225, 430, SAN FRANCISCO, CA 94103-3225 |
| Document Number | 0000120411 |
|---|---|
| Date | Jun 19, 2018 |
| Instrument | 120411 |
| Name | SHANGHAI COM'L BK LTD |
|---|---|
| Type | Bank |
| Address | 231 SANSOME ST, SAN FRANCISCO, CA 94104-2322 |
| Amount | Amount on Record |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 31035 GENSTAR RD, HAYWARD, CA 94544-7831 |
| Document Number | 0000177559 |
| Instrument Date | Aug 7, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Sep 12, 2017 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 5 3RD ST #430 SAN FRANCISCO CA 941033225, 430, SAN FRANCISCO, CA 94103-3225 |
| Document Number | 0000177559 |
|---|---|
| Date | Aug 15, 2017 |
| Instrument | 177559 |
| Name | SHANGHAI COM'L BK LTD |
|---|---|
| Address | 231 SANSOME ST, SAN FRANCISCO, CA 94104-2322 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 31035 Genstar Rd was $112,950.
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 | $9,028,597 (+2%) Land $4,551,240 Building $4,477,357 | |
| 2025 | $112,950.00 | $8,851,566 Land $4,462,000 Building $4,389,566 |
| 2023 | $104,798.00 | $8,507,898 Land $4,288,760 Building $4,219,138 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31035 Genstar Rd in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1995.
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 File 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.
The area around 31035 Genstar Rd has no burnable land within ember reach, so its wildfire risk is not rated.
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 56 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Tekify Fiber & Wireless Fixed Wireless · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: AT&T, GeoLinks, RobinsonHSS, T-Mobile, Unwired, Verizon, Xfinity.
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