Contra Costa County property record for 3524 Windmill Way, Concord, CA 94518 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,123 sqft · built 1974 |
| Lot Size | 0.164 acres (7,150 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $450,000 (May 2009) |
| Tax Bill | $7,405 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 134-455-021-3 |
| Primary APN | 134-455-021-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,123 sqft Living Area |
| 1st Floor Area | 1,727 sqft |
| Basement Area | 396 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 7,150 sqft (0.164 acres) |
| Garage Type | Attached |
| Garage Area | 505 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3524 WINDMILL WAY |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2333 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04407 L0128 B |
| Legal Subdivision | YGNACIO HILLS UNIT #2 |
| Legal Tract | 04407 |
| Legal Lot Number | 128 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 337300 |
Source: Contra Costa County records · APN 134-455-021-3
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 3524 WINDMILL WAY, CONCORD, CA 94518-2333 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 08, 2009 · Amount on Record |
| Deed Sale | May 08, 2009 · Amount on Record |
| Prior Sale | Aug 06, 2008 · Amount on Record |
| Deed Document Number | 2009104172 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $591,066 (+2%) Land $295,533 Building $295,533 | |
| 2025 | $7,405.00 (+4.63%) | $579,478 (+4.04%) Land $289,739 Building $289,739 |
| 2023 | $7,077.00 (+1.38%) | $556,978 Land $278,489 Building $278,489 |
| 2022 | $6,981.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133373004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Jan 1998, rainfall accumulation |
| Wildfire Risk | Moderate above 59% of the US · above 35% of California |
|---|---|
| Wildfire Likelihood | About 1 in 559 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 565 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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