Contra Costa County property record for 21 Stallion Ct, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,949 sqft · built 1971 |
| Lot Size | 0.316 acres (13,764 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,327 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 187-384-011-8 |
| Primary APN | 187-384-011-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,949 sqft Living Area |
| 1st Floor Area | 1,949 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Cluster |
| Lot Area | 13,764 sqft (0.316 acres) |
| Garage Type | Attached |
| Garage Area | 656 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 21 STALLION CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6525 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD |
| Legal Description | TRACT 3972 LOT 40 EX MR |
| Legal Subdivision | SUBDIVISION 3972 |
| Legal Tract | 3972 |
| Legal Lot Number | 40 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 346101 |
21 Stallion Ct is owned and occupied by two individuals who acquired it in October 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 STALLION CT, WALNUT CREEK, CA 94596-6525 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 6, 2023 |
| Transfer Doc | 0000101208 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 13, 2023 |
| Property Address | 21 STALLION CT, WALNUT CREEK, CA 94596-6525 |
| Document Number | 0000101209 |
| Map Reference | MB 132 PG 13 |
| Instrument Date | Aug 22, 2023 |
| Instrument | 2023-101209 |
| Transaction Type | Transfer |
| Record Updated | Oct 24, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 21 COOLIDGE RD, ARLINGTON, MA 02476-7736 |
The 2025 property tax bill for 21 Stallion Ct was $10,327.
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 | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $882,075 (+2%) Land $653,394 Building $228,681 | |
| 2025 | $10,327.00 | $864,781 Land $640,583 Building $224,198 |
| 2023 | $9,952.00 (+0.75%) | $831,202 Land $615,709 Building $215,493 |
| 2022 | $9,878.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21 Stallion Ct in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2016.
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 |
| Nearby Flood Claims | 1 (2016) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2016 · other causes |
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.
Wildfire risk around 21 Stallion Ct is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 367 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, T-Mobile.
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