Contra Costa County property record for 271 Diane Ave, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,836 sqft · built 2007 |
| Lot Size | 0.147 acres (6,400 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $140,000 (Sep 1998) |
| Tax Bill | $3,713 (2025) |
| Deeds & Mortgages | Feb 2023 Transfer Jan 2023 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-182-003-1 |
| Primary APN | 073-182-003-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,836 sqft Living Area |
| 1st Floor Area | 1,836 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Lot Area | 6,400 sqft (0.147 acres) |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 271 DIANE AVE |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-4104 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BILTMORE SUBN LOT 13 |
| Legal Subdivision | BILTMORE SUB |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 312000 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Feb 9, 2023 | Intrafamily Transfer, Transfer |
| Jan 17, 2023 | Intrafamily Transfer, Transfer |
| Mar 29, 2017 | Deed of Trust, Mortgage · FHA Mortgage OBSIDIAN FINANCIAL SERVICES INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 1998 · Amount on Record |
| Deed Sale | Sep 18, 1998 · Amount on Record |
| Deed Document Number | 1998226132 |
| Last Transfer Date | Feb 21, 2025 |
| Transfer Doc | 0000017538 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 9, 2023 |
| Property Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Document Number | 0000011643 |
| Map Reference | MB 47 PG 28 |
| Instrument Date | Feb 7, 2023 |
| Instrument | 2023-011643 |
| Transaction Type | Transfer |
| Record Updated | Feb 16, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 17, 2023 |
| Property Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Document Number | 0000004165 |
| Map Reference | MB 47 PG 28 |
| Instrument Date | Dec 20, 2022 |
| Instrument | 2023-004165 |
| Transaction Type | Transfer |
| Record Updated | Jan 25, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 271 DIANE AVE, PITTSBURG, CA 94565-4104 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | NEXTITLE |
| Name | Verified Name |
|---|
| Document Number | 0000054642 |
|---|---|
| Date | Mar 29, 2017 |
| Instrument | 2017-054642 |
| Name | OBSIDIAN FINANCIAL SERVICES INC |
|---|---|
| Address | MELBOURNE, FL 32904 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Apr 1, 2037 |
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 | Pittsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $276,318 (+2%) Land $119,318 Building $157,000 | |
| 2025 | $3,713.00 (+3.8%) Homeowner's exemption | $270,901 (+4.04%) Land $116,979 Building $153,922 |
| 2023 | $3,577.00 (-1.27%) Homeowner's exemption | $260,384 Land $112,438 Building $147,946 |
| 2022 | $3,623.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 4 (1982–1987) |
| Most Recent Claim | Jan 1987 · tidal / storm surge |
| Claims by Event |
|
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no wildfire likelihood modeled here |
|---|
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 259 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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