Contra Costa County property record for 798 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 | Trust Name on File |
| Tax Bill | $3,459 (2025) |
| Deeds & Mortgages | Nov 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-500-037-5 |
| Primary APN | 162-500-037-5 |
|---|---|
| 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 |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Townhouse |
| Lot Area | 800 sqft (0.018 acres) |
| Garage Type | Attached |
| Garage Area | 171 sqft |
| Street Address | 798 CENTER AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4642 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | T05890 L0037 B |
| Legal Subdivision | SUBDIVISION 5890 |
| Legal Tract | 05890 |
| Legal Lot Number | 37 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321101 |
798 Center Ave, a townhouse, is owner-occupied and held in a trust since August 1997.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 798 CENTER AVE, MARTINEZ, CA 94553-4642 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Aug 27, 1997 |
| Transfer Doc | 0000156722 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 22, 2021 |
| Property Address | 798 CENTER AVE, MARTINEZ, CA 94553-4642 |
| Document Number | 0000322076 |
| Map Reference | MB 246 PG 22 |
| Instrument Date | Oct 22, 2021 |
| Instrument | 2021-322076 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 798 CENTER AVE, MARTINEZ, CA 94553-4642 |
The 2025 property tax bill for 798 Center Ave was $3,459 with a homeowner's exemption.
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 | $203,097 (+2%) Land $73,505 Building $129,592 | |
| 2025 | $3,459.00 Homeowner's exemption | $199,115 Land $72,064 Building $127,051 |
| 2023 | $3,207.00 (+3.62%) Homeowner's exemption | $191,384 Land $69,266 Building $122,118 |
| 2022 | $3,095.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 798 Center Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1981.
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.
Wildfire risk around 798 Center Ave is low, with a 0.02% annual chance of wildfire.
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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