Contra Costa County property record for 604 Whisper Ln, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,876 sqft · built 2021 |
| Lot Size | 0.062 acres (2,689 sqft) |
| Owner | Individual Name on File |
| Last Sale | $815,500 (Dec 2021) |
| Tax Bill | $10,370 (2025) |
| Deeds & Mortgages | Dec 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 093-580-128-2 |
| Primary APN | 093-580-128-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,876 sqft Living Area |
| 1st Floor Area | 722 sqft |
| 2nd Floor Area | 1,154 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 2,689 sqft (0.062 acres) |
| Garage Type | Attached |
| Garage Area | 455 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 604 WHISPER LN |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-5572 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9497 L294 |
| Legal Subdivision | SUBDIVISION 9497 VISTA DEL MAR |
| Legal Tract | 9497 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 355201 |
604 Whisper Ln is owned by an individual who bought it in December 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 913 AUTUMN BROOK PL, CONCORD, CA 94518-3332 |
| 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 | Dec 10, 2021 · Amount on File |
| Deed Sale | Dec 10, 2021 · Amount on File |
| Deed Document Number | 2021336360 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 10, 2021 |
| Property Address | 604 WHISPER LN, PITTSBURG, CA 94565-5572 |
| Document Number | 0000336360 |
| Map Reference | MB 545 PG 21-37 |
| Instrument Date | Oct 20, 2021 |
| Instrument | 2021-336360 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 913 AUTUMN BROOK PL, CONCORD, CA 94518-3332 |
| Document Number | 0000336361 |
|---|---|
| Date | Dec 10, 2021 |
| Instrument | 2021-336361 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2052 |
The 2025 property tax bill for 604 Whisper Ln was $10,370.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Pittsburg City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $725,000 (-2.68%) Land $266,871 Building $458,129 | |
| 2025 | $10,370.00 | $745,000 Land $274,233 Building $470,767 |
| 2023 | $9,952.00 (-9.86%) | $721,000 Land $265,000 Building $456,000 |
| 2022 | $11,040.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 604 Whisper Ln in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 604 Whisper Ln is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 PITTSBURG serves 62,500 people · EPA ID CA0710008 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Apr 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 532 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 |
May also be available: T-Mobile, Unwired, Verizon.
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