Bexar County property record for 16703 Union Cavern, San Antonio, TX 78247
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,635 sqft · built 2004 |
| Lot Size | 0.234 acres (10,206 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $5,592 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 17790-023-0240 |
| Primary APN | 17790-023-0240 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,635 sqft Living Area |
| Gross Area | 4,197 sqft |
| 1st Floor Area | 1,603 sqft |
| 2nd Floor Area | 2,032 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Contemporary |
| Exterior Material | Combination |
| Roof Material | Asphalt |
| Lot Area | 10,206 sqft (0.234 acres) |
| Garage Type | Attached |
| Garage Area | 372 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 35 sqft |
| Patio Area | 190 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 16703 UNION CAVERN |
|---|---|
| City | SAN ANTONIO |
| State | TX |
| Zip | 78247-6221 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NCB 17790 BLK 23 LOT 24 GREEN MOUNTAIN RD SUBD UT-4 |
| Legal Subdivision | RD SUB |
| Legal Block | 23 |
| Legal Lot Number | 24 |
| Jurisdiction | BEXAR TX |
| Township / Civil Division | SAN ANTONIO NORTHEAST |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 121812 |
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 | 16703 UNION CAVERN, SAN ANTONIO, TX 78247-6221 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Bexar County assessment roll, as of May 26, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Bexar County |
| Municipality | San Antonio City |
| Unified School District | North East Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,592.00 (-11.91%) Homeowner's exemption Disabled Person's exemption Veteran's exemption | $352,500 (-4.81%) Land $67,260 Building $285,240 | $352,500 (-4.81%) Land $67,260 Building $285,240 |
| 2024 | $6,348.00 (+6.56%) | ||
| 2023 | $5,957.00 (-9.95%) Homeowner's exemption Disabled Person's exemption Veteran's exemption | $370,330 Land $61,130 Building $309,200 | $370,330 Land $61,130 Building $309,200 |
| 2022 | $6,615.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1987) |
| Most Recent Claim | Jul 1987 · rainfall accumulation |
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 | 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 650 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Guadalupe Valley Electric Cooperative.
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