Santa Clara County property record for 321 Hiddenlake Dr, Sunnyvale, CA 94089
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,108 sqft · built 1957 |
| Lot Size | 0.13 acres (5,670 sqft) |
| Owner | Individual Name on File |
| Last Sale | $159,000 (Apr 1995) |
| Tax Bill | $3,923 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 110-21-045 |
| Primary APN | 110-21-045 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,108 sqft Living Area |
| 1st Floor Area | 1,108 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,670 sqft (0.13 acres) |
| Lot Dimensions | 105 ft deep x 54 ft wide |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 321 HIDDENLAKE DR |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94089-2528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2009 LAKEWOOD VILLAGE NO 4 BOOK 85 PAGE 12 PAGE 14 LOT 1070 |
| Legal Subdivision | LAKEWOOD VILLAGE 04 |
| Legal Tract | 2009 |
| Legal Lot Number | 1070 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 504806 |
321 Hiddenlake Dr is owned and occupied by an individual who bought it in April 1995.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 HIDDENLAKE DR, SUNNYVALE, CA 94089-2528 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Last Sale | Apr 11, 1995 · Amount on File |
| Deed Sale | Apr 11, 1995 · Amount on File |
| Prior Sale | Mar 22, 1995 · Amount on File |
| Deed Document Number | 199512858247 |
| Deed Book / Page | 816 / 1510 |
| Prior Transfer Date | Nov 10, 1994 |
| Prior Transfer Doc | 0012729801 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 321 Hiddenlake Dr was $3,923 with a homeowner's exemption.
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 | $325,490 (+2%) Land $162,745 Building $162,745 | |
| 2025 | $3,923.00 Homeowner's exemption | $319,108 Land $159,554 Building $159,554 |
| 2023 | $3,742.00 (+1.82%) Homeowner's exemption | $306,718 Land $153,359 Building $153,359 |
| 2022 | $3,675.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 321 Hiddenlake Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 58 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 58 in force |
| Nearby Flood Claims | 1 (2014) |
| Most Recent Claim | Dec 2014 · rainfall accumulation |
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 321 Hiddenlake Dr 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 1,123 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Tekify Fiber & Wireless Fixed Wireless | 122 / 27 |
May also be available: AT&T, Sail Internet, T-Mobile.
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