Bexar County property record for 231 Sylvia Ave, San Antonio, TX 78237
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,114 sqft · built 1940 |
| Lot Size | 0.141 acres (6,120 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $222,003 (Jun 2025) |
| Tax Bill | $798 (2025) |
| Deeds & Mortgages | Jun 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09625-003-0030 |
| Primary APN | 09625-003-0030 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,114 sqft Living Area |
| 1st Floor Area | 1,114 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Asphalt |
| Lot Area | 6,120 sqft (0.141 acres) |
| Lot Dimensions | 153 ft deep x 40 ft wide |
| Garage Type | Carport |
| Garage Area | 240 sqft |
| Carport | Carport |
| Carport Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 76 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 231 SYLVIA AVE |
|---|---|
| City | SAN ANTONIO |
| State | TX |
| Zip | 78237-3904 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NCB 9625 BLK 3 LOT 3 |
| Legal Subdivision | CONV A/S CODE |
| Legal Block | 3 |
| Legal Lot Number | 3 |
| Jurisdiction | BEXAR TX |
| Township / Civil Division | SAN ANTONIO CENTRAL |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 160600 |
231 Sylvia Ave is owned by two individuals who bought it in June 2025.
Source: Bexar County records, as of August 24, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2404 S CALAVERAS, 9106, SAN ANTONIO, TX 78207-7683 |
| Owner Type | Individual |
| Vesting | Married Couple |
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 Sale | Jun 4, 2025 · Amount on File |
| Deed Sale | Jun 4, 2025 · Amount on File |
| Prior Sale | Dec 17, 2024 · Amount on File |
| Deed Document Number | 2025101410 |
| Prior Transfer Date | Oct 13, 2014 |
| Prior Transfer Doc | 0000178089 |
| Record Updated | Oct 29, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | BEXAR TX |
| Recording Date | Jun 4, 2025 |
| Property Address | 231 SYLVIA AVE, SAN ANTONIO, TX 78237-3904 |
| Document Number | 0000101410 |
| Map Reference | VOL 2575 PG 43 |
| Instrument Date | May 30, 2025 |
| Instrument | 20250101410 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2025 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 231 SYLVIA AVE, SAN ANTONIO, TX 78237-3904 |
| Name | Verified Name |
|---|---|
| Address | 2404 S CALAVERAS APT 9106, 9106, SAN ANTONIO, TX 78207-7683 |
| Date | Jun 4, 2025 |
|---|
| Name | MORTGAGE FINANCIAL SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 231 Sylvia Ave was $798, down 74.5% from the year before.
Source: Bexar County assessment roll, as of May 26, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Bexar County |
| Municipality | San Antonio City |
| Unified School District | Edgewood Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $798.00 (-74.54%) | $117,000 Land $39,110 Building $77,890 | $117,000 Land $39,110 Building $77,890 |
| 2024 | $3,134.00 (-3.18%) | ||
| 2023 | $3,237.00 (+16.27%) | $140,440 Land $39,110 Building $101,330 | $140,440 Land $39,110 Building $101,330 |
| 2022 | $2,784.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 231 Sylvia Ave 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.
The area around 231 Sylvia Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | 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 614 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Alamo Broadband Fixed Wireless | 450 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: VTX Communications.
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