Bexar County property record for 643 SW 37th St, San Antonio, TX 78237
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 976 sqft · built 1952 |
| Lot Size | 0.197 acres (8,599 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $118 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08989-006-0050 |
| Primary APN | 08989-006-0050 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 976 sqft Living Area |
| Gross Area | 1,090 sqft |
| 1st Floor Area | 976 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Contemporary |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Asphalt |
| Lot Area | 8,599 sqft (0.197 acres) |
| Lot Dimensions | 172 ft deep x 50 ft wide |
| Porch | Open Porch |
| Porch Area | 224 sqft |
| Patio Area | 228 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 643 SW 37TH ST |
|---|---|
| City | SAN ANTONIO |
| State | TX |
| Zip | 78237-2611 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NCB 8989 BLK 6 LOT N 50 FT OF E 172.26 FT OF 11 |
| Legal Subdivision | CONV A/S CODE |
| Legal Block | 6 |
| Legal Lot Number | 5 |
| Jurisdiction | BEXAR TX |
| Township / Civil Division | SAN ANTONIO CENTRAL |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 171502 |
643 SW 37th St is owned and occupied by an individual who acquired it in March 1999.
Source: Bexar County records, as of May 26, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 643 SW 37TH ST, SAN ANTONIO, TX 78237-2611 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Mar 5, 1999 |
| Deed Sale | Mar 5, 1999 |
| Deed Book / Page | 7868 / 764 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 643 SW 37th St was $118 with exemptions applied, up 22.9% 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 | $118.00 (+22.92%) Homeowner's exemption Senior Citizen's exemption | $89,161 Land $46,960 Building $90,550 | $137,510 Land $46,960 Building $90,550 |
| 2024 | $96.00 (-25.58%) | ||
| 2023 | $129.00 Homeowner's exemption Senior Citizen's exemption | $138,060 Land $46,960 Building $91,100 | $138,060 Land $46,960 Building $91,100 |
| 2022 | $129.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 643 SW 37th St 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 643 SW 37th St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.3% of Texas |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | 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 539 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: Alamo Broadband, VTX Communications.
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