Santa Clara County property record for 510 Alder Dr, Milpitas, CA 95035
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 411,625 sqft · built 2001 |
| Lot Size | 26.2 acres (1,141,272 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,074,262 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 083-19-013 |
| Primary APN | 083-19-013 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 411,625 sqft |
| Elevator | Elevator |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | L-Shape |
| Construction Type | Concrete |
| Lot Area | 1,141,272 sqft |
| Street Address | 510 ALDER DR |
|---|---|
| City | MILPITAS |
| State | CA |
| Zip | 95035-7443 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | MPS |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 505006 |
510 Alder Dr, an industrial property, is owned by a company.
Source: Santa Clara County records, as of July 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2450 WATSON CT, PALO ALTO, CA 94303-3216 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 510 Alder Dr was $1,074,262, up 1.7% from the year before.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Milpitas City |
| Unified School District | Milpitas Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $93,801,592 (+2%) Land $31,823,188 Building $61,978,404 | |
| 2025 | $1,074,262.00 (+1.68%) | $91,962,346 Land $31,199,204 Building $60,763,142 |
| 2024 | $1,056,497.00 (+0.33%) | |
| 2023 | $1,053,052.00 (+0.36%) | $88,391,337 Land $29,987,701 Building $58,403,636 |
| 2022 | $1,049,223.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 510 Alder Dr in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 8 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 risk around 510 Alder Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 MILPITAS serves 81,915 people · EPA ID CA4310005 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Nov 2025 |
| Lead | 3 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 21 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Tekify Fiber & Wireless Fixed Wireless | 144 / 32 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sail Internet, T-Mobile, Xfinity.
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