Santa Clara County property record for 577 Madrone Ave, Sunnyvale, CA 94085
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,022 sqft · built 1951 |
| Lot Size | 0.14 acres (6,104 sqft) |
| Owner | Trust Name on File |
| Last Sale | $445,000 (Feb 2011) |
| Tax Bill | $6,956 (2025) |
| Deeds & Mortgages | Nov 2018 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 204-28-026 |
| Primary APN | 204-28-026 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,022 sqft Living Area |
| 1st Floor Area | 1,022 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Custom Design |
| Exterior Material | Block |
| Construction Type | Concrete |
| Roof Material | Tar & Gravel |
| Lot Area | 6,104 sqft (0.14 acres) |
| Lot Dimensions | 109 ft deep x 56 ft wide |
| Garage Area | 278 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Cooling System | None |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 577 MADRONE AVE |
|---|---|
| City | SUNNYVALE |
| State | CA |
| Zip | 94085-3622 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R0 |
| Legal Description | TRACT 803 ARBOR COURT BOOK 31 PAGE 42 LOT 77 |
| Legal Subdivision | ARBOR COURT |
| Legal Tract | 803 |
| Legal Lot Number | 77 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 509001 |
577 Madrone Ave is owner-occupied and held in a trust since November 2018.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 577 MADRONE AVE, SUNNYVALE, CA 94085-3622 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Feb 9, 2011 · Amount on File |
| Deed Sale | Feb 9, 2011 · Amount on File |
| Deed Document Number | 201121079146 |
| Last Transfer Date | Nov 18, 2018 |
| Transfer Doc | 0024067239 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Nov 20, 2018 |
| Property Address | 577 MADRONE AVE, SUNNYVALE, CA 94085-3622 |
| Document Number | 0024067239 |
| Instrument Date | Nov 18, 2018 |
| Instrument | 24067239 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 577 MADRONE AVE SUNNYVALE CA 940853622, SUNNYVALE, CA 94085-3622 |
The 2025 property tax bill for 577 Madrone Ave was $6,956, up 3.7% from the year before.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | 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 | $581,509 (+2%) Land $465,212 Building $116,297 | |
| 2025 | $6,956.00 (+3.67%) | $570,108 Land $456,091 Building $114,017 |
| 2024 | $6,710.00 (+0.92%) | |
| 2023 | $6,649.00 (+1.53%) | $547,973 Land $438,382 Building $109,591 |
| 2022 | $6,549.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 577 Madrone Ave in Zone X, where a levee reduces flood risk.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| 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 577 Madrone 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 657 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, Sail Internet, T-Mobile.
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