Contra Costa County property record for 4012 Tilden Ln, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,422 sqft · built 1955 |
| Lot Size | 1 acres (43,560 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,155,000 (Apr 2002) |
| Tax Bill | $20,611 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 249-010-018-3 |
| Primary APN | 249-010-018-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 3,422 sqft Living Area |
| 1st Floor Area | 3,422 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 43,560 sqft |
| Garage Type | Attached |
| Garage Area | 602 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4012 TILDEN LN |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-2738 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | RO ACALANES |
| Legal Subdivision | ACALANES RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 354002 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 4012 TILDEN LN, LAFAYETTE, CA 94549-2738 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 10, 2002 · Amount on Record |
| Deed Sale | Apr 10, 2002 · Amount on Record |
| Deed Document Number | 2002125155 |
| Last Transfer Date | May 9, 2012 |
| Transfer Doc | 0000114162 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,740,394 (+2%) Land $753,415 Building $986,979 | |
| 2025 | $20,611.00 (+3.52%) Homeowner's exemption | $1,706,270 (+4.04%) Land $738,643 Building $967,627 |
| 2023 | $19,911.00 (+1.56%) Homeowner's exemption | $1,640,014 Land $709,961 Building $930,053 |
| 2022 | $19,606.00 |
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 |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 10 (1980–2019) |
| Claims Outside the SFHA | 3 of 10 |
| Most Recent Claim | Jan 2019 · 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 | Low lower than 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 174 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 |
May also be available: AT&T, Etheric Networks.
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