Contra Costa County property record for 313 Flax Ln, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,495 sqft · built 1995 |
| Lot Size | 0.181 acres (7,900 sqft) |
| Owner | Trust Name on File |
| Last Sale | $840,000 (Aug 2003) |
| Tax Bill | $14,987 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 217-390-018 |
| Primary APN | 217-390-018 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,495 sqft Living Area |
| 1st Floor Area | 1,472 sqft |
| 2nd Floor Area | 1,023 sqft |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 7,900 sqft (0.181 acres) |
| Garage Type | Attached |
| Garage Area | 588 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 313 FLAX LN |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5562 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7015 L29 |
| Legal Subdivision | WEST BRANCH |
| Legal Tract | 7015 |
| Legal Lot Number | 29 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 355121 |
313 Flax Ln is owner-occupied and held in a trust since February 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 313 FLAX LN, SAN RAMON, CA 94582-5562 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Aug 20, 2003 · Amount on File |
| Deed Sale | Aug 20, 2003 · Amount on File |
| Prior Sale | Apr 7, 2000 · Amount on File |
| Deed Document Number | 2003413006 |
| Last Transfer Date | Feb 12, 2016 |
| Transfer Doc | 0000028608 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 313 Flax Ln was $14,987 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 | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,256,560 (+2%) Land $567,027 Building $689,533 | |
| 2025 | $14,987.00 Homeowner's exemption | $1,231,922 Land $555,909 Building $676,013 |
| 2023 | $14,410.00 (+0.9%) Homeowner's exemption | $1,184,086 Land $534,323 Building $649,763 |
| 2022 | $14,282.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 313 Flax Ln in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 313 Flax Ln is moderate, ranking above 57% 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 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 520 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Verizon.
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