Santa Clara County property record for 436 Cumulus Ave, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,888 sqft · built 1983 |
| Lot Size | 0.152 acres (6,638 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $629,000 (Apr 1998) |
| Tax Bill | $12,025 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 211-20-053 |
| Primary APN | 211-20-053 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,888 sqft Living Area |
| 1st Floor Area | 1,468 sqft |
| 2nd Floor Area | 1,420 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | H-Shape |
| Construction Type | Wood |
| Lot Area | 6,638 sqft (0.152 acres) |
| Lot Dimensions | 105 ft deep x 60 ft wide |
| Garage Area | 429 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Street Address | 436 CUMULUS AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-1449 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SU |
| Legal Description | TRACT 6877 STRATFORD GARDENS BOOK 467 PAGE 29 PAGE 30 LOT 3 |
| Legal Subdivision | STRATFORD GARDENS |
| Legal Tract | 6877 |
| Legal Lot Number | 3 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 508503 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 436 CUMULUS AVE, SUNNYVALE, CA 94087-1449 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 15, 1998 · Amount on Record |
| Deed Sale | Apr 15, 1998 · Amount on Record |
| Prior Sale | Oct 22, 1993 · Amount on Record |
| Deed Document Number | 199814139567 |
| Prior Transfer Date | Jan 12, 1996 |
| Prior Transfer Doc | 0013165884 |
| Record Updated | Oct 29, 2026 |
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Sunnyvale City |
| Secondary School District | Fremont Union High School District (09 - 12) |
| Elementary School District | Sunnyvale Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,024,021 (+2%) Land $511,890 Building $512,131 | |
| 2025 | $12,025.00 (+4.94%) | $1,003,943 (+4.04%) Land $501,853 Building $502,090 |
| 2023 | $11,459.00 (+1.92%) | $964,961 Land $482,366 Building $482,595 |
| 2022 | $11,243.00 |
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 503 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks.
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