Contra Costa County property record for 525 Byer Ct, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,275 sqft · built 2009 |
| Lot Size | 0.192 acres (8,364 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,270,000 (Apr 2022) |
| Tax Bill | $26,452 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 223-640-005-3 |
| Primary APN | 223-640-005-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,275 sqft Living Area |
| 1st Floor Area | 1,110 sqft |
| 2nd Floor Area | 1,165 sqft |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 8,364 sqft (0.192 acres) |
| Garage Type | Attached |
| Garage Area | 446 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 525 BYER CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5957 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9020 L5 |
| Legal Subdivision | SUBDIVISION #9020 |
| Legal Tract | 9020 |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 355125 |
525 Byer Ct is owned and occupied by two individuals who bought it in April 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 525 BYER CT, SAN RAMON, CA 94582-5957 |
| 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 11, 2022 · Amount on File |
| Deed Sale | Apr 11, 2022 · Amount on File |
| Prior Sale | Mar 14, 2014 · Amount on File |
| Deed Document Number | 202262417 |
| Prior Transfer Date | Aug 4, 2009 |
| Prior Transfer Doc | 0000285577 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 11, 2022 |
| Property Address | 525 BYER CT, SAN RAMON, CA 94582-5957 |
| Document Number | 0000062417 |
| Map Reference | MB 495 PG 46 |
| Instrument Date | Feb 28, 2022 |
| Instrument | 2022-062417 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO 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 |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 525 BYER CT, SAN RAMON, CA 94582-5957 |
| Document Number | 0000062418 |
|---|---|
| Date | Apr 11, 2022 |
| Instrument | 2022-062418 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
| Type Change Date | May 1, 2029 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 8.25% |
| Index | Other |
| Max Rate | 8.25% |
The 2025 property tax bill for 525 Byer Ct was $26,452.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,924,000 (-2.09%) Land $1,483,260 Building $440,740 | |
| 2025 | $26,452.00 | $1,965,000 Land $1,514,868 Building $450,132 |
| 2023 | $26,650.00 (+55.17%) | $2,315,400 Land $1,785,000 Building $530,400 |
| 2022 | $17,175.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 525 Byer Ct 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 525 Byer Ct is moderate, ranking above 62% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| 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 | 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 290 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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