Contra Costa County property record for 337 Orso Way, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,035 sqft · built 2022 |
| Lot Size | 0.122 acres (5,307 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $664,000 (Apr 2023) |
| Tax Bill | $13,515 (2025) |
| Deeds & Mortgages | Apr 2023 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 032-590-010-8 |
| Primary APN | 032-590-010-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,035 sqft Living Area |
| 1st Floor Area | 2,035 sqft |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2023 |
| Lot Area | 5,307 sqft (0.122 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 337 ORSO WAY |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-6053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8904 L10 |
| Legal Subdivision | SUBDIVISION 8904 |
| Legal Tract | 8904 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 302011 |
337 Orso Way is owned and occupied by two individuals who bought it in April 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 337 ORSO WAY, OAKLEY, CA 94561-6053 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 21, 2023 · Amount on File |
| Deed Sale | Apr 21, 2023 · Amount on File |
| Deed Document Number | 202337499 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 21, 2023 |
| Property Address | 337 ORSO WAY, OAKLEY, CA 94561-6053 |
| Document Number | 0000037499 |
| Map Reference | MB 548 PG 1-10 |
| Instrument Date | Apr 4, 2023 |
| Instrument | 2023-037499 |
| Transaction Type | Transfer |
| Record Updated | Aug 1, 2023 |
| Title Company | FIRST AMER TTL CO HOMEBUILDE |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 337 ORSO WAY, OAKLEY, CA 94561-6053 |
| Document Number | 0000037500 |
|---|---|
| Date | Apr 21, 2023 |
| Instrument | 2023-037500 |
| Name | KBHS HOME LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2053 |
| Document Number | 0000037501 |
|---|---|
| Date | Apr 21, 2023 |
| Instrument | 2023-037501 |
| Name | KBHS HOME LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVING, TX 75039 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 362 Months |
| Due | Jun 19, 2053 |
The 2025 property tax bill for 337 Orso Way was $13,515 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Elementary School District | Oakley Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $704,428 (+2%) Land $185,711 Building $518,717 | |
| 2025 | $13,515.00 Homeowner's exemption | $690,617 Land $182,070 Building $508,547 |
| 2023 | $10,070.00 (+64.38%) | $383,448 Land $163,448 Building $220,000 |
| 2022 | $6,126.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 337 Orso Way in Zone X, an area of moderate flood risk, though there have been 2 flood claims nearby since 2017.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 2 (2017–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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.
Wildfire risk around 337 Orso Way is moderate, ranking above 55% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 55% of the US · lower than 67% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007 |
|---|---|
| Water Source | Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT |
| Last State Inspection | Jan 2024 |
| Lead | 2 ppb (2020–2022) 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 762 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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