Contra Costa County property record for 1010 Crystal Ct, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,475 sqft · built 1965 |
| Lot Size | 0.294 acres (12,800 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,670,000 (Sep 2025) |
| Tax Bill | $2,796 (2025) |
| Deeds & Mortgages | Sep 2025 Sale & Mortgage Sep 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 139-025-003-1 |
| Primary APN | 139-025-003-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,475 sqft Living Area |
| 1st Floor Area | 1,705 sqft |
| 2nd Floor Area | 770 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 12,800 sqft (0.294 acres) |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1010 CRYSTAL CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4218 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 3339 LOT 67 EX POR MR |
| Legal Subdivision | BROOKTREE SUB 3339 |
| Legal Tract | 3339 |
| Legal Lot Number | 67 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 338302 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1010 CRYSTAL CT, WALNUT CREEK, CA 94598-4218 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Sep 29, 2025 | Grant Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC |
| Sep 7, 2018 | Deed of Trust, Mortgage · ARM MORGAN STANLEY PRIVATE BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 29, 2025 · Amount on Record |
| Deed Sale | Sep 29, 2025 · Amount on Record |
| Deed Document Number | 2025101259 |
| Prior Transfer Date | Oct 11, 1999 |
| Prior Transfer Doc | 0000273001 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 29, 2025 |
| Property Address | 1010 CRYSTAL CT, WALNUT CREEK, CA 94598-4218 |
| Document Number | 0000101259 |
| Map Reference | MB 100 PG 13 |
| Instrument Date | Sep 25, 2025 |
| Instrument | 2025- 101259 |
| Transaction Type | Transfer |
| Record Updated | Oct 8, 2025 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1010 CRYSTAL CT, WALNUT CREEK, CA 94598-4218 |
| Document Number | 0000101260 |
|---|---|
| Date | Sep 29, 2025 |
| Instrument | 2025- 101260 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2055 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1010 CRYSTAL CT, WALNUT CREEK, CA 94598-4218 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | TITLE CONNECT INC |
| Name | Verified Name |
|---|
| Document Number | 0000143509 |
|---|---|
| Date | Sep 7, 2018 |
| Instrument | 2018-143509 |
| Name | MORGAN STANLEY PRIVATE BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45245 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.6% |
| Type Change Date | Oct 1, 2028 |
| Change Frequency | Annually |
| Min Rate At Change | 2.5% |
| Max Rate At Change | 9.6% |
| Index | 1-Year LIBOR |
| Max Rate | 9.6% |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $183,750 (+2%) Land $48,077 Building $135,673 | |
| 2025 | $2,796.00 (+4.88%) Homeowner's exemption | $180,148 (+4.04%) Land $47,135 Building $133,013 |
| 2023 | $2,666.00 (+0.91%) Homeowner's exemption | $173,154 Land $45,305 Building $127,849 |
| 2022 | $2,642.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
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 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 358 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: AT&T, Etheric Networks, T-Mobile, Verizon.
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