Contra Costa County property record for 31 Mount Rainier Ct, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,740 sqft · built 1971 |
| Lot Size | 0.294 acres (12,825 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $825,000 (Jun 2023) |
| Tax Bill | $13,179 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Jun 2023 Sale & Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-153-001-1 |
| Primary APN | 119-153-001-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,740 sqft Living Area |
| 1st Floor Area | 1,740 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Cluster |
| Lot Area | 12,825 sqft (0.294 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 31 MT RAINIER CT |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1510 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4011 LOT 30 EX 1/2 MR |
| Legal Subdivision | SUBDIVISION 4011 |
| Legal Tract | 4011 |
| Legal Lot Number | 30 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 355306 |
31 Mount Rainier Ct is owned and occupied by two individuals who bought it in June 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 2, 2026 | Deed of Trust, Mortgage · FHA Mortgage GUILD MORTGAGE COMPANY |
| Jun 23, 2023 | Grant Deed, Transfer · FHA Mortgage MISSION LOANS LLC |
| Jun 23, 2023 | Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Mar 28, 2022 | Re-recorded Document CHICAGO TITLE COMPANY |
| Feb 22, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 23, 2023 · Amount on File |
| Deed Sale | Jun 23, 2023 · Amount on File |
| Prior Sale | May 28, 2003 · Amount on File |
| Deed Document Number | 202360076 |
| Prior Transfer Date | Jul 7, 2020 |
| Prior Transfer Doc | 0000060075 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 2, 2026 |
| Property Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000033127 |
| Instrument Date | Mar 25, 2026 |
| Instrument | 202633127 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants, 205 |
| Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000033127, |
|---|---|
| Date | Apr 2, 2026 |
| Instrument | 202633127 |
| Name | GUILD MORTGAGE COMPANY |
|---|
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2056 |
| Rate | 5.98% |
|---|---|
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 23, 2023 |
| Property Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000060076 |
| Map Reference | MB 134 PG 6 |
| Instrument Date | Jun 7, 2023 |
| Instrument | 2023-060076 |
| Transaction Type | Transfer |
| Record Updated | Jul 5, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000060077 |
|---|---|
| Date | Jun 23, 2023 |
| Instrument | 2023-060077 |
| Name | MISSION LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2053 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 23, 2023 |
| Property Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000060075 |
| Map Reference | MB 134 PG 6 |
| Instrument Date | May 11, 2023 |
| Instrument | 2023-060075 |
| Transaction Type | Transfer |
| Record Updated | Jul 5, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 1023 NEW HOLLAND CT, BRENTWOOD, CA 94513-2510 |
| Document Type | Re-recorded Document |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 28, 2022 |
| Property Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000053915 |
| Map Reference | MB 134 PG 6 |
| Instrument Date | Mar 23, 2022 |
| Instrument | 2022-053915 |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 2373 COLBALT LANE, BRENTWOOD, CA 94513-1785 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 22, 2021 |
| Property Address | 31 MT RAINIER CT, CLAYTON, CA 94517-1510 |
| Document Number | 0000054168 |
| Map Reference | MB 134 PG 6 |
| Instrument Date | Feb 15, 2021 |
| Instrument | 2021-054168 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 2373 COBALT LN, BRENTWOOD, CA 94513-1785 |
The 2025 property tax bill for 31 Mount Rainier Ct was $13,179.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,093,043 (+2%) Land $711,009 Building $382,034 | |
| 2025 | $13,179.00 | $1,071,612 Land $697,068 Building $374,544 |
| 2023 | $7,790.00 (+1.42%) | $591,619 (+2%) Land $368,894 Building $222,725 |
| 2022 | $7,681.00 | $580,019 Land $361,661 Building $218,358 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31 Mount Rainier Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 31 Mount Rainier Ct is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 44% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 420 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 |
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