Contra Costa County property record for 270 Crestview Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,904 sqft · built 1997 |
| Lot Size | 0.09 acres (3,900 sqft) |
| Owner | Company Name on File |
| Last Sale | $234,500 (May 1997) |
| Tax Bill | $5,610 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 377-310-124-5 |
| Primary APN | 377-310-124-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,904 sqft Living Area |
| 1st Floor Area | 1,050 sqft |
| 2nd Floor Area | 854 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | Cluster |
| Lot Area | 3,900 sqft (0.09 acres) |
| Garage Type | Attached |
| Garage Area | 448 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 270 CRESTVIEW AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3578 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7297 POR LT 186 |
| Legal Tract | 7297 |
| Legal Lot Number | 186 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 320003 |
Source: Contra Costa County assessment roll, APN 377-310-124-5, as of 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 | 270 CRESTVIEW AVE, MARTINEZ, CA 94553-3578 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 29, 1997 · Amount on Record |
| Deed Sale | May 29, 1997 · Amount on Record |
| Deed Document Number | 199791344 |
| Last Transfer Date | Apr 18, 2014 |
| Transfer Doc | 0000081174 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll as of 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 | $390,120 (+2%) Land $129,566 Building $260,554 | |
| 2025 | $5,610.00 (+7.33%) Homeowner's exemption | $382,472 (+4.04%) Land $127,026 Building $255,446 |
| 2023 | $5,227.00 (+2.89%) Homeowner's exemption | $367,623 Land $122,095 Building $245,528 |
| 2022 | $5,080.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133200031, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1986) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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, 596 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Radiate Holdings.
Source: EPA Safe Drinking Water Information System, water system CA0710006, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MARTINEZ serves 31,015 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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