Contra Costa County property record for 1840 Mayette Ave, Concord, CA 94520
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,094 sqft · built 1957 |
| Lot Size | 0.135 acres (5,890 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $250,000 (Sep 2008) |
| Tax Bill | $4,487 (2025) |
| Deeds & Mortgages | Feb 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-081-003-5 |
| Primary APN | 128-081-003-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,094 sqft Living Area |
| 1st Floor Area | 1,094 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 5,890 sqft (0.135 acres) |
| Garage Type | Attached |
| Garage Area | 461 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 1840 MAYETTE AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-3923 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TRACT 2384 LOT 323 |
| Legal Subdivision | SUNSHINE ESTATES UNIT #9 |
| Legal Tract | 2384 |
| Legal Lot Number | 323 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 336201 |
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 | 1840 MAYETTE AVE, CONCORD, CA 94520-3923 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 10, 2008 · Amount on Record |
| Deed Sale | Sep 10, 2008 · Amount on Record |
| Prior Sale | Jul 7, 2008 · Amount on Record |
| Deed Document Number | 2008201296 |
| Prior Transfer Date | Nov 10, 2005 |
| Prior Transfer Doc | 0000438299 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1840 MAYETTE AVE, CONCORD, CA 94520-3923 |
| Document Number | 0000029507 |
| Instrument Date | Feb 8, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Feb 21, 2017 |
| Title Company | LSI TITLE COMPANY, LSI TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 1840 MAYETTE AVE CONCORD CA 945203923, CONCORD, CA 94520-3923 |
| Document Number | 0000029507 |
|---|---|
| Date | Feb 16, 2017 |
| Instrument | 29507 |
| Name | USAA |
|---|---|
| Address | SAN ANTONIO, TX 78288-0544 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Feb 15, 2037 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $328,360 (+2%) Land $168,121 Building $160,239 | |
| 2025 | $4,487.00 (+5.25%) Homeowner's exemption | $321,923 (+4.04%) Land $164,825 Building $157,098 |
| 2023 | $4,263.00 (+1.77%) Homeowner's exemption | $309,425 Land $158,426 Building $150,999 |
| 2022 | $4,189.00 |
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 Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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 | Not rated no burnable land within 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 269 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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