Contra Costa County property record for 253 Wayne Ave, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 4,280 sqft · built 1948 |
| Lot Size | 1.28 acres (56,192 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $16,046 (2025) |
| Deeds & Mortgages | Jun 2023 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 201-030-011-5 |
| Primary APN | 201-030-011-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,280 sqft Living Area |
| Gross Area | 5,108 sqft |
| 1st Floor Area | 3,464 sqft |
| 2nd Floor Area | 816 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1995 |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 56,192 sqft |
| Garage Type | Attached |
| Garage Area | 828 sqft |
| Parking Spaces | 3 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Commercial |
| Street Address | 253 WAYNE AVE |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2452 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R40 |
| Legal Description | POR RO SAN RAMON 1.29 AC |
| Legal Subdivision | SAN RAMON RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 345204 |
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 | 253 WAYNE AVE, ALAMO, CA 94507-2452 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 15, 1998 |
| Transfer Doc | 0000166254 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 253 WAYNE AVE, ALAMO, CA 94507-2452 |
| Transaction Type | Mortgage |
| Record Updated | Jun 15, 2023 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|---|
| Address | PO BOX 775, ALAMO, CA 94507-0775 |
| Document Number | 0000053566 |
|---|---|
| Date | Jun 6, 2023 |
| Instrument | 2023-053566 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | PORTLAND, OR 97204 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 4, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,490,974 (+2%) Land $551,703 Building $939,271 | |
| 2025 | $16,046.00 (+3.47%) Homeowner's exemption | $1,461,740 (+4.04%) Land $540,886 Building $920,854 |
| 2023 | $15,508.00 (+0.73%) Homeowner's exemption | $1,404,982 Land $519,884 Building $885,098 |
| 2022 | $15,395.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 11 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 5 (1993–2012) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Dec 2012 · rainfall accumulation |
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 | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.09% 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 | 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 198 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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