Santa Clara County property record for 1075 Heatherstone Ave, Sunnyvale, CA 94087
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,184 sqft · built 1953 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $345,000 (Apr 1999) |
| Tax Bill | $10,068 (2025) |
| Deeds & Mortgages | Aug 2022 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 198-24-007 |
| Primary APN | 198-24-007 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,184 sqft Living Area |
| 1st Floor Area | 1,184 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 1075 HEATHERSTONE AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94087-1619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 1140 GREENWOOD MANOR BOOK 42 PAGE 6 PAGE 7 LOT 166 |
| Legal Subdivision | GREENWOOD MANOR |
| Legal Tract | 1140 |
| Legal Lot Number | 166 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 508401 |
1075 Heatherstone Ave is owned and occupied by two individuals who acquired it in August 2024.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1075 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1619 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 22, 1999 · Amount on File |
| Deed Sale | Apr 22, 1999 · Amount on File |
| Deed Document Number | 199914769560 |
| Last Transfer Date | Aug 13, 2024 |
| Transfer Doc | 0025684842 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Aug 22, 2022 |
| Property Address | 1075 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1619 |
| Document Number | 0025361141 |
| Map Reference | MB 42 PG 6&7 |
| Instrument Date | Aug 19, 2022 |
| Instrument | 25361141 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1075 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1619 |
The 2025 property tax bill for 1075 Heatherstone Ave was $10,068.
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 | $857,321 (+2%) Land $675,107 Building $182,214 | |
| 2025 | $10,068.00 Homeowner's exemption | $840,512 Land $661,870 Building $178,642 |
| 2023 | $9,618.00 (+55.76%) Homeowner's exemption | $807,876 Land $636,170 Building $171,706 |
| 2022 | $6,175.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1075 Heatherstone Ave in Zone X, an area of moderate flood risk.
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.
The area around 1075 Heatherstone Ave 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 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 841 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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