Contra Costa County property record for 5604 White Mountain Ct, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,392 sqft · built 1979 |
| Lot Size | 0.203 acres (8,820 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $495,000 (Mar 2001) |
| Tax Bill | $9,638 (2025) |
| Deeds & Mortgages | Mar 2026 Line of Credit Mar 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-401-010-6 |
| Primary APN | 155-401-010-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,392 sqft Living Area |
| Gross Area | 2,825 sqft |
| 1st Floor Area | 1,259 sqft |
| 2nd Floor Area | 1,133 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 8,820 sqft (0.203 acres) |
| Garage Type | Attached |
| Garage Area | 433 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5604 WHITE MOUNTAIN CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5844 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R75 |
| Legal Description | T04957 L0075 B |
| Legal Subdivision | TRACT 4957 |
| Legal Tract | 04957 |
| Legal Lot Number | 75 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 321102 |
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 | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 31, 2026 | Deed of Trust, Mortgage · Line of Credit PATELCO CU |
| Mar 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Jan 22, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 23, 2001 · Amount on Record |
| Deed Sale | Mar 23, 2001 · Amount on Record |
| Deed Document Number | 200169150 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Transaction Type | Mortgage |
| Record Updated | Apr 14, 2026 |
| Name | Verified Name |
|---|---|
| Address | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Document Number | 0000031971 |
|---|---|
| Date | Mar 31, 2026 |
| Instrument | 2026- 031971 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | 3 PARK PL, DUBLIN, CA 94568 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Mar 23, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Document Number | 0000069549 |
|---|---|
| Date | Mar 8, 2021 |
| Instrument | 2021-069549 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5604 WHITE MOUNTAIN CT, MARTINEZ, CA 94553-5844 |
| Document Number | 0000016554 |
| Instrument Date | Jan 22, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 10, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 5604 WHITE MOUNTAIN CT MARTINEZ CA 945535844, MARTINEZ, CA 94553-5844 |
| Document Number | 0000016554 |
|---|---|
| Date | Jan 28, 2020 |
| Instrument | 16554 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 27, 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 | $760,779 (+2%) Land $348,575 Building $412,204 | |
| 2025 | $9,638.00 (+6.51%) Homeowner's exemption | $745,863 (+4.04%) Land $341,741 Building $404,122 |
| 2023 | $9,049.00 (+1.69%) Homeowner's exemption | $716,903 Land $328,472 Building $388,431 |
| 2022 | $8,899.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 2 (1982–1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows |
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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 371 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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