Contra Costa County property record for 88 Valley Ave, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,562 sqft · built 1949 |
| Lot Size | 0.298 acres (13,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,410 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-171-016-7 |
| Primary APN | 162-171-016-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,562 sqft Living Area |
| Gross Area | 2,884 sqft |
| 1st Floor Area | 1,878 sqft |
| Basement Area | 684 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 13,000 sqft (0.298 acres) |
| Garage Type | Attached |
| Garage Area | 322 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 88 VALLEY AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ALHAMBRA VALLEY EST LOT 34 |
| Legal Subdivision | ALHAMBRA VLY ESTATES |
| Legal Lot Number | 34 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 321103 |
Source: Contra Costa County records · APN 162-171-016-7
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 88 VALLEY AVE, MARTINEZ, CA 94553-4520 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 01, 2004 |
| Transfer Doc | 0000071378 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $306,244 (+2%) Land $105,723 Building $200,521 | |
| 2025 | $4,410.00 (+6.52%) Homeowner's exemption | $300,240 (+4.04%) Land $103,650 Building $196,590 |
| 2023 | $4,140.00 (+1.6%) Homeowner's exemption | $288,583 Land $99,626 Building $188,957 |
| 2022 | $4,075.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211033, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 27 individual NFIP policies nearby |
| Nearby Flood Policies | 27 in force |
| Nearby Flood Claims | 21 (1982–2023) |
| Claims Outside the SFHA | 3 of 21 |
| Most Recent Claim | Jan 2023, rainfall accumulation, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | Moderate above 47% of the US · above 28% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,087 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 256 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon, Unwired, T-Mobile USA, AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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