Contra Costa County property record for 644 Linden Ln, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,527 sqft · built 1956 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $895,000 (Jun 2026) |
| Tax Bill | $9,641 (2025) |
| Deeds & Mortgages | Jun 2022 Line of Credit Jun 2026 Sale & Mortgage + 2 more |
| Flood Zone | Zone AO (high risk) |
| APN | 370-270-037-2 |
| Primary APN | 370-270-037-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,527 sqft Living Area |
| 1st Floor Area | 1,527 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 644 LINDEN LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3931 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2202 LOT 2 |
| Legal Subdivision | OXFORD GROVE |
| Legal Tract | 2202 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 319001 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jun 8, 2022 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Jun 3, 2026 | Grant Deed, Transfer · Conventional Mortgage FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Jun 11, 2020 | Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS |
| Jan 19, 2018 | Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 2026 · Amount on Record |
| Deed Sale | Jun 3, 2026 · Amount on Record |
| Prior Sale | Dec 20, 2016 · Amount on Record |
| Deed Document Number | 202657673 |
| Prior Transfer Date | Feb 21, 1995 |
| Prior Transfer Doc | 0000029962 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Transaction Type | Mortgage |
| Record Updated | Jun 17, 2026 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SVCS INC |
| Name | Verified Name |
|---|---|
| Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Document Number | 0000095697 |
|---|---|
| Date | Jun 8, 2022 |
| Instrument | 2022-095697 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | May 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 3, 2026 |
| Property Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Document Number | 0000057673 |
| Instrument Date | May 26, 2026 |
| Instrument | 202657673 |
| Transaction Type | Transfer |
| Record Updated | Jun 10, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $99,434.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Investor | Possibly a Property Investor |
| Document Number | 0000057674, |
|---|---|
| Date | Jun 3, 2026 |
| Instrument | 202657674 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.23% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Document Number | 0000115814 |
| Instrument Date | Jun 11, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 24, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 644 LINDEN LN MARTINEZ CA 945533931, MARTINEZ, CA 94553-3931 |
| Document Number | 0000115814 |
|---|---|
| Date | Jun 16, 2020 |
| Instrument | 115814 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 15, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 644 LINDEN LN, MARTINEZ, CA 94553-3931 |
| Document Number | 0000012447 |
| Instrument Date | Jan 19, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Feb 2, 2018 |
| Title Company | TITLE SOURCES INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 644 LINDEN LN MARTINEZ CA 945533931, MARTINEZ, CA 94553-3931 |
| Document Number | 0000012447 |
|---|---|
| Date | Jan 26, 2018 |
| Instrument | 12447 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 25, 2048 |
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 | $753,601 (+2%) Land $530,458 Building $223,143 | |
| 2025 | $9,641.00 (+6.47%) | $738,825 (+4.04%) Land $520,057 Building $218,768 |
| 2023 | $9,055.00 (+1.67%) | $710,137 Land $499,863 Building $210,274 |
| 2022 | $8,906.00 |
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 38 policies |
| Nearby Flood Policies | 38 in force |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.05% 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 422 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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