Contra Costa County property record for 3479 Monroe Ave, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,068 sqft · built 1938 |
| Lot Size | 0.259 acres (11,280 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,225,000 (Apr 2008) |
| Tax Bill | $19,532 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 234-022-006-6 |
| Primary APN | 234-022-006-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,068 sqft Living Area |
| 1st Floor Area | 2,068 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Asbestos |
| Lot Area | 11,280 sqft (0.259 acres) |
| View / Lot | Woodland |
| Garage Type | Detached |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3479 MONROE AVE |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LAF HMSITES LOT 9 LESS ELY POR BLK 4 |
| Legal Subdivision | LAFAYETTE HOMESITES |
| Legal Block | 4 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 349000 |
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 | 3479 MONROE AVE, LAFAYETTE, CA 94549-4520 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 14, 2008 · Amount on Record |
| Deed Sale | Apr 14, 2008 · Amount on Record |
| Prior Sale | Apr 29, 1994 · Amount on Record |
| Deed Document Number | 200879139 |
| Last Transfer Date | Jan 6, 2014 |
| Transfer Doc | 0000005817 |
| 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 | $1,641,226 (+2%) Land $1,004,835 Building $636,391 | |
| 2025 | $19,532.00 (+3.54%) Homeowner's exemption | $1,609,046 (+4.04%) Land $985,133 Building $623,913 |
| 2023 | $18,865.00 (+1.56%) Homeowner's exemption | $1,546,567 Land $946,880 Building $599,687 |
| 2022 | $18,576.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 5 (1982–2023) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 80% of the US · lower than 88% 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 459 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 |
May also be available: AT&T, T-Mobile.
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