Contra Costa County property record for 4015 Tilden Ln, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 3,955 sqft · built 1990 |
| Lot Size | 0.46 acres (20,037 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $11,166 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 249-010-005 |
| Primary APN | 249-010-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,955 sqft Living Area |
| 1st Floor Area | 1,943 sqft |
| 2nd Floor Area | 2,012 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 20,037 sqft (0.46 acres) |
| Garage Type | Attached |
| Garage Area | 760 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4015 TILDEN LN |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-2737 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | RO ACALANES |
| Legal Subdivision | RANCH ACALANES |
| 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 | 4015 TILDEN LN, LAFAYETTE, CA 94549-2737 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 31, 2009 |
| Transfer Doc | 0000191483 |
| Record Updated | Sep 20, 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 | $946,323 (+2%) Land $364,887 Building $581,436 | |
| 2025 | $11,166.00 (+3.69%) Homeowner's exemption | $927,769 (+4.04%) Land $357,733 Building $570,036 |
| 2023 | $10,769.00 (+1.54%) Homeowner's exemption | $891,744 Land $343,843 Building $547,901 |
| 2022 | $10,606.00 |
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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