Contra Costa County property record for 2810 Castro St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 924 sqft · built 1940 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $415,000 (Dec 2016) |
| Tax Bill | $6,615 (2025) |
| Deeds & Mortgages | Jul 2026 Line of Credit Aug 2020 Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 370-230-011-6 |
| Primary APN | 370-230-011-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 924 sqft Living Area |
| Gross Area | 1,124 sqft |
| 1st Floor Area | 924 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 4,500 sqft (0.103 acres) |
| Lot Dimensions | 100 ft deep x 45 ft wide |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2810 CASTRO ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3216 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | CASTRO ST EXT LOT 6 BLK 97 |
| Legal Subdivision | CASTRO STREET EXT |
| Legal Block | 97 |
| Legal Lot Number | 6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 318000 |
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 | 2810 CASTRO ST, MARTINEZ, CA 94553-3216 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jul 1, 2026 | Deed of Trust, Mortgage · Line of Credit PROVIDENT CREDIT UNION |
| Aug 31, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage CITIZENS BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 1, 2016 · Amount on Record |
| Deed Sale | Dec 1, 2016 · Amount on Record |
| Prior Sale | Jul 11, 2013 · Amount on Record |
| Deed Document Number | 2016260724 |
| Prior Transfer Date | Jul 25, 1996 |
| Prior Transfer Doc | 0000143257 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 1, 2026 |
| Property Address | 2810 CASTRO ST, MARTINEZ, CA 94553-3216 |
| Document Number | 0000069084 |
| Instrument Date | Jun 26, 2026 |
| Instrument | 202669084 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | CHICAGO TITLE W, CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property, 149 |
| Address | 2810 CASTRO ST, MARTINEZ, CA 94553-3216 |
| Document Number | 0000069084, |
|---|---|
| Date | Jul 1, 2026 |
| Instrument | 202669084 |
| Name | PROVIDENT CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.53% |
|---|---|
| Max Rate | -1% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 31, 2020 |
| Property Address | 2810 CASTRO ST, MARTINEZ, CA 94553-3216 |
| Document Number | 0000187919 |
| Map Reference | MB 12 PG 271 |
| Instrument Date | Aug 26, 2020 |
| Instrument | 2020-187919 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 2810 CASTRO ST, MARTINEZ, CA 94553-3216 |
| Document Number | 0000187920 |
|---|---|
| Date | Aug 31, 2020 |
| Instrument | 2020-187920 |
| Name | CITIZENS BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 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 | $491,268 (+2%) Land $419,356 Building $71,912 | |
| 2025 | $6,615.00 (+6.47%) | $481,636 (+4.04%) Land $411,134 Building $70,502 |
| 2023 | $6,213.00 (+1.62%) | $462,935 Land $395,170 Building $67,765 |
| 2022 | $6,114.00 |
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 AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 109 policies |
| Nearby Flood Policies | 109 in force |
| Nearby Flood Claims | 32 (1980–2019) |
| Claims Outside the SFHA | 3 of 32 |
| Most Recent Claim | Feb 2019 |
| Claims by Event |
|
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 | Moderate above 47% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 358 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Unwired.
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