Contra Costa County property record for 820 Center Ave, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 1.5 ba · 1,061 sqft · built 1981 |
| Lot Size | 0.018 acres (800 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $235,000 (Feb 2002) |
| Tax Bill | $5,121 (2025) |
| Deeds & Mortgages | Apr 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-500-042-5 |
| Primary APN | 162-500-042-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,061 sqft Living Area |
| 1st Floor Area | 503 sqft |
| 2nd Floor Area | 558 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 800 sqft (0.018 acres) |
| Garage Type | Carport |
| Garage Area | 171 sqft |
| Carport | Carport |
| Carport Area | 171 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 820 CENTER AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4641 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | T05890 L0042 B |
| Legal Subdivision | ENTITLED 5890 |
| Legal Tract | 05890 |
| Legal Lot Number | 42 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321101 |
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 | 820 CENTER AVE, MARTINEZ, CA 94553-4641 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 25, 2002 · Amount on Record |
| Deed Sale | Feb 25, 2002 · Amount on Record |
| Deed Document Number | 200263286 |
| Last Transfer Date | Jan 24, 2008 |
| Transfer Doc | 0000019218 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 820 CENTER AVE, MARTINEZ, CA 94553-4641 |
| Document Number | 0000071589 |
| Instrument Date | Apr 9, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 8, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 820 CENTER AVE MARTINEZ CA 945534641, MARTINEZ, CA 94553-4641 |
| Document Number | 0000071589 |
|---|---|
| Date | Apr 15, 2020 |
| Instrument | 71589 |
| Name | PACIFIC SVC CU |
|---|---|
| Address | CONCORD, CA 94519 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 14, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $354,084 (+2%) Land $180,809 Building $173,275 | |
| 2025 | $5,121.00 (+5.85%) Homeowner's exemption | $347,142 (+4.04%) Land $177,264 Building $169,878 |
| 2023 | $4,838.00 (+2.98%) Homeowner's exemption | $333,665 Land $170,382 Building $163,283 |
| 2022 | $4,698.00 |
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 | 1 in force |
| Nearby Flood Claims | 1 (1981) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1981 · 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 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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 239 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: Astound Broadband, AT&T, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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