Bexar County property record for 21 Winthrop Downs, San Antonio, TX 78257
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,903 sqft · built 2007 |
| Lot Size | 0.271 acres (11,800 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $536,300 (Sep 2015) |
| Tax Bill | $11,817 (2025) |
| Deeds & Mortgages | Nov 2022 Transfer Nov 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 16386-004-0540 |
| Primary APN | 16386-004-0540 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,903 sqft Living Area |
| Gross Area | 3,566 sqft |
| 1st Floor Area | 2,903 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Combination |
| Roof Material | Tile |
| Lot Area | 11,800 sqft (0.271 acres) |
| Garage Type | Attached |
| Garage Area | 663 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 544 sqft |
| Porch | Open Porch |
| Porch Area | 254 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 21 WINTHROP DOWNS |
|---|---|
| City | SAN ANTONIO |
| State | TX |
| Zip | 78257-1286 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NCB 16386 BLK 4 LOT 54 DOMINION COTTAGE ESTATES UT-5A |
| Legal Subdivision | DOMINION COTTAGE ESTATES |
| Legal Block | 4 |
| Legal Lot Number | 54 |
| Jurisdiction | BEXAR TX |
| Township / Civil Division | SAN ANTONIO NORTH |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 191807 |
Source: Bexar County records, as of May 26, 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 | 21 WINTHROP DOWNS, SAN ANTONIO, TX 78257-1286 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 21, 2022 | Transfer on Death Deed, Transfer |
| Nov 21, 2022 | Transfer on Death Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 2015 · Amount on Record |
| Deed Sale | Sep 14, 2015 · Amount on Record |
| Prior Sale | Aug 19, 2015 |
| Deed Document Number | 2015175286 |
| Deed Book / Page | 17455 / 1101 |
| Last Transfer Date | Nov 4, 2022 |
| Transfer Doc | 0000271829 |
| Record Updated | Sep 20, 2026 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | BEXAR TX |
| Recording Date | Nov 21, 2022 |
| Property Address | 21 WINTHROP DOWNS, SAN ANTONIO, TX 78257-1286 |
| Document Number | 0000271829 |
| Map Reference | VOL 9554 PG 195&196 |
| Instrument Date | Nov 4, 2022 |
| Instrument | 20220271829 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2022 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 21 WINTHROP DOWNS, 21, SAN ANTONIO, TX 78257-1286 |
| Name | Verified Name |
|---|---|
| Address | 21 WINTHROP DOWNS, SAN ANTONIO, TX 78257-1286 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | BEXAR TX |
| Recording Date | Nov 21, 2022 |
| Property Address | 21 WINTHROP DOWNS, SAN ANTONIO, TX 78257-1286 |
| Document Number | 0000271828 |
| Map Reference | VOL 9554 PG 195&196 |
| Instrument Date | Nov 4, 2022 |
| Instrument | 20220271828 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2022 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 21 WINTHROP DOWNS, 21, SAN ANTONIO, TX 78257-1286 |
| Name | Verified Name |
|---|---|
| Address | 21 WINTHROP DOWNS, SAN ANTONIO, TX 78257-1286 |
Source: Bexar County assessment roll, as of May 26, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Bexar County |
| Municipality | San Antonio City |
| Unified School District | Northside Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,817.00 (-5.31%) Homeowner's exemption Senior Citizen's exemption | $929,740 (+2.15%) Land $195,880 Building $733,860 | $929,740 (+2.15%) Land $195,880 Building $733,860 |
| 2024 | $12,480.00 (-1.63%) | ||
| 2023 | $12,687.00 (-20.45%) Homeowner's exemption Senior Citizen's exemption | $910,150 Land $195,880 Building $714,270 | $910,150 Land $195,880 Building $714,270 |
| 2022 | $15,948.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Flood Insurance Cost | Premium on Record median of 30 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 30 in force |
| Nearby Flood Claims | 13 (1997–2004) |
| Claims Outside the SFHA | 10 of 13 |
| Most Recent Claim | Jun 2004 · rainfall accumulation |
| Claims by Event |
|
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 80% of the US · lower than 94% of Texas |
|---|---|
| Wildfire Likelihood | 0.01% 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 | SAN ANTONIO WATER SYSTEM serves 2,643,729 people · EPA ID TX0150018 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2023 |
| Lead | 2 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 318 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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