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16907 Union Cavern, San Antonio, TX 78247 Property Records

Bexar County property record for 16907 Union Cavern, San Antonio, TX 78247

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 3,329 sqft · built 2004
Lot Size0.141 acres (6,120 sqft)
Owner2 Individual Names on File
Last Sale$231,100 (Oct 2012)
Tax Bill$5,422 (2025)
Deeds & MortgagesDec 2023 Transfer
Flood ZoneZone X (minimal risk)
APN17790-027-0110

Property Details

APN / Parcel Number

Primary APN17790-027-0110
Alternative APN
  • 677162

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area3,329 sqft Living Area
Gross Area3,758 sqft
1st Floor Area1,450 sqft
2nd Floor Area1,879 sqft

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2004
Architectural StyleContemporary
Exterior MaterialOther
Roof MaterialAsphalt
Lot Area6,120 sqft (0.141 acres)
Garage TypeAttached
Garage Area429 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchOpen Porch
Porch Area32 sqft
Deck Area252 sqft
Patio Area252 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address16907 UNION CAVERN
CitySAN ANTONIO
StateTX
Zip78247-6215
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionNCB 17790 BLK 27 LOT 11 GREEN MOUNTAIN ROAD SUB UT-2 9553/0093-0097
Legal SubdivisionGREEN MOUNTAIN ROAD SUB
Legal Block27
Legal Lot Number11
JurisdictionBEXAR TX
Township / Civil DivisionSAN ANTONIO NORTHEAST
Census Block Group1
Census Block1006
Census Tract121812

Owner

16907 Union Cavern is owned and occupied by two individuals who acquired it in December 2023.

Source: Bexar County records, as of May 26, 2026

Owner of Record2 Individual Names on File
Mailing Address16907 UNION CAVERN, SAN ANTONIO, TX 78247-6215
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 17, 2012 · Amount on File
Deed SaleOct 17, 2012 · Amount on File
Prior SaleAug 20, 2010 · Amount on File
Deed Document Number2012204228
Deed Book / Page15749 / 1278
Last Transfer DateDec 15, 2023
Transfer Doc0000235062
Record UpdatedSep 20, 2026

December 2023: Transfer on Death Deed, Transfer

Document TypeTransfer on Death Deed
JurisdictionBEXAR TX
Recording DateDec 28, 2023
Property Address16907 UNION CAVERN, SAN ANTONIO, TX 78247-6215
Document Number0000235062
Instrument DateDec 15, 2023
Instrument20230235062
Transaction TypeTransfer
Record UpdatedJan 10, 2024

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address16907 UNION CAVERN, SAN ANTONIO, TX 78247-6215

Transferred To (Grantee/Buyer)

NameVerified Name
Address16907 UNION CAVERN, SAN ANTONIO, TX 78247-6215

Tax Assessment & Valuation

The 2025 property tax bill for 16907 Union Cavern was $5,422, down 8.5% from the year before.

Source: Bexar County assessment roll, as of May 26, 2026

Property Jurisdictions

TypeName
StateTexas
CountyBexar County
MunicipalitySan Antonio City
Unified School DistrictNorth East Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$5,422.00 (-8.52%) Homeowner's exemption$333,090 Land $55,510 Building $277,580$333,090 Land $55,510 Building $277,580
2024$5,927.00 (+9.9%)
2023$5,393.00 (-11.01%) Homeowner's exemption$351,380 Land $50,490 Building $300,890$351,380 Land $50,490 Building $300,890
2022$6,060.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 16907 Union Cavern in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1987.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies2 in force
Nearby Flood Claims1 (1987)
Most Recent ClaimJul 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.

Wildfire

Wildfire risk around 16907 Union Cavern is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 94% of Texas
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSAN ANTONIO WATER SYSTEM
serves 2,643,729 people · EPA ID TX0150018
Water SourcePurchased surface water from several systems
Last State InspectionAug 2023
Lead2 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 650 locations within half a mile, as of December 31, 2025

ProviderMax 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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