Contra Costa County property record for 25 Williams Dr, Moraga, CA 94556
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,552 sqft · built 1985 |
| Lot Size | 0.326 acres (14,200 sqft) |
| Owner | Company Name on File |
| Last Sale | $559,000 (Mar 1998) |
| Tax Bill | $11,397 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 256-393-001-1 |
| Primary APN | 256-393-001-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,552 sqft Living Area |
| 1st Floor Area | 2,552 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 14,200 sqft (0.326 acres) |
| Garage Type | Attached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 25 WILLIAMS DR |
|---|---|
| City | MORAGA |
| State | CA |
| Zip | 94556-2363 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 6PDDT |
| Legal Description | T06024AL0001 B |
| Legal Tract | 6024 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 352101 |
Source: Contra Costa County records · APN 256-393-001-1
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 25 WILLIAMS DR, MORAGA, CA 94556-2363 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 06, 1998 · Amount on Record |
| Deed Sale | Mar 06, 1998 · Amount on Record |
| Prior Sale | May 17, 1995 · Amount on Record |
| Deed Document Number | 199846994 |
| Last Transfer Date | Nov 15, 2011 |
| Transfer Doc | 0000254189 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Moraga Town |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Moraga Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $916,107 (+2%) Land $456,024 Building $460,083 | |
| 2025 | $11,397.00 (+2.99%) Homeowner's exemption | $898,145 (+4.04%) Land $447,083 Building $451,062 |
| 2023 | $11,066.00 (+1.57%) Homeowner's exemption | $863,271 Land $429,723 Building $433,548 |
| 2022 | $10,895.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Wildfire Risk | High above 73% of the US · above 48% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: AT&T, Etheric Communications, LLC., T-Mobile USA, Unwired, Verizon.
Based on FCC filings for 160 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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