Contra Costa County property record for 4030 Tilden Ln, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,673 sqft · built 1936 |
| Lot Size | 0.94 acres (40,946 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,675,000 (May 2018) |
| Tax Bill | $22,853 (2025) |
| Deeds & Mortgages | May 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 249-010-029 |
| Primary APN | 249-010-029 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,673 sqft Living Area |
| 1st Floor Area | 1,673 sqft |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 40,946 sqft (0.94 acres) |
| Garage Type | Attached |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 4030 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 are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 4050 LOS ARABIS DR, LAFAYETTE, CA 94549-2740 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 8, 2018 · Amount on Record |
| Deed Sale | May 8, 2018 · Amount on Record |
| Deed Document Number | 201871629 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 8, 2018 |
| Property Address | 4030 TILDEN LN, LAFAYETTE, CA 94549-2738 |
| Document Number | 0000071629 |
| Instrument Date | Apr 27, 2018 |
| Instrument | 71629 |
| Transaction Type | Transfer |
| Record Updated | May 14, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,842.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4050 LOS ARABIS DR LAFAYETTE CA 945492740, LAFAYETTE, CA 94549-2740 |
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 | $1,943,975 (+2%) Land $1,392,700 Building $551,275 | |
| 2025 | $22,853.00 (+3.49%) | $1,905,859 (+4.04%) Land $1,365,393 Building $540,466 |
| 2023 | $22,083.00 (+1.55%) | $1,831,854 Land $1,312,374 Building $519,480 |
| 2022 | $21,747.00 |
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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