Santa Clara County property record for 635 Alberta Ave, Sunnyvale, CA 94087
| Property Type | Duplex |
|---|---|
| Details | 2,784 sqft · built 1967 |
| Lot Size | 0.184 acres (8,056 sqft) |
| Owner | Owner Name on File |
| Last Sale | $978,000 (Sep 2005) |
| Tax Bill | $15,759 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 323-28-019 |
| Primary APN | 323-28-019 |
|---|
| Units | 2 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 2,784 sqft Total Area |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1967 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 8,056 sqft (0.184 acres) |
| Lot Dimensions | 106 ft deep x 76 ft wide |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Street Address | 635 ALBERTA AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-4360 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | TR 3820 LOT 42 |
| Legal Subdivision | SERRA TERRACE |
| Legal Tract | 3820 |
| Legal Lot Number | 42 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 508306 |
Source: Santa Clara County assessment roll, as of July 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 1085 HELENA DR, SUNNYVALE, CA 94087-4033 |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 29, 2005 · Amount on Record |
| Deed Sale | Sep 29, 2005 · Amount on Record |
| Prior Sale | Sep 29, 2005 · Amount on Record |
| Deed Document Number | 0018602617 |
| Last Transfer Date | Jun 23, 2009 |
| Transfer Doc | 0020308540 |
| Record Updated | Jun 8, 2026 |
Source: Santa Clara County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Elementary School District | Cupertino Union Elementary School District (KG - 08) |
| Secondary School District | Fremont Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $15,759.00 (+3.27%) | $1,336,506 (+4.04%) Land $819,945 Building $516,561 |
| 2023 | $15,260.00 (+0.11%) | $1,284,609 Land $788,106 Building $496,503 |
| 2022 | $15,243.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 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 |
Values are read at the parcel center point; 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 SUNNYVALE serves 157,566 people · EPA ID CA4310014 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Sep 2024 |
| 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 | 63 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 589 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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