Contra Costa County property record for 612 Sonora Ct, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,416 sqft · built 1960 |
| Lot Size | 0.146 acres (6,375 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $387,000 (Jul 2002) |
| Tax Bill | $7,547 (2025) |
| Deeds & Mortgages | Dec 2023 Second Mortgage Dec 2017 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-202-024-4 |
| Primary APN | 162-202-024-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,416 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 6,375 sqft (0.146 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 612 SONORA CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4451 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R175 |
| Legal Description | TRACT 2402 LOT 14 |
| Legal Subdivision | ALHAMBRA VALLEY ORCHARD UNIT #1 |
| Legal Tract | 2402 |
| Legal Lot Number | 14 |
| 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 162-202-024-4
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Dec 26, 2023 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC |
| Dec 01, 2017 | Deed of Trust, Mortgage · FHA Mortgage GOLDEN EMPIRE MORTGAGE INC |
| Sep 13, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Apr 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 23, 2002 · Amount on Record |
| Deed Sale | Jul 23, 2002 · Amount on Record |
| Deed Document Number | 2002254287 |
| Last Transfer Date | Jun 16, 2005 |
| Transfer Doc | 0000230076 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Transaction Type | Mortgage |
| Record Updated | Jan 04, 2024 |
| Name | Verified Name |
|---|---|
| Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Document Number | 0000135218 |
|---|---|
| Date | Dec 26, 2023 |
| Instrument | 2023-135218 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Jan 01, 2044 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000225721 |
|---|---|
| Date | Dec 01, 2017 |
| Instrument | 2017-225721 |
| Name | GOLDEN EMPIRE MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | BAKERSFIELD, CA 93309 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 01, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Document Number | 0000253798 |
|---|---|
| Date | Sep 13, 2021 |
| Instrument | 2021-253798 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Oct 01, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 612 SONORA CT, MARTINEZ, CA 94553-4451 |
| Document Number | 0000083425 |
| Instrument Date | Apr 27, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 14, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 612 SONORA CT MARTINEZ CA 945534451, MARTINEZ, CA 94553-4451 |
| Document Number | 0000083425 |
|---|---|
| Date | May 01, 2020 |
| Instrument | 83425 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 30, 2050 |
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 | $571,692 (+2%) Land $363,997 Building $207,695 | |
| 2025 | $7,547.00 (+6.46%) | $560,483 (+4.04%) Land $356,860 Building $203,623 |
| 2023 | $7,089.00 (+1.65%) | $538,720 Land $343,003 Building $195,717 |
| 2022 | $6,974.00 |
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 27 policies |
| Nearby Flood Policies | 27 in force |
| Nearby Flood Claims | 21 (1982–2023) |
| Claims Outside the SFHA | 3 of 21 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Moderate above 57% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| 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 · sampled at 256 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Radiate Holdings, T-Mobile USA, Unwired, Verizon.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, 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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