16807 Union Cavern, San Antonio, TX 78247 Property Records

Bexar County property record for 16807 Union Cavern, San Antonio, TX 78247

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,733 sqft · built 2003
Lot Size	0.141 acres (6,120 sqft)
Owner	2 Individual Names on Record
Last Sale	$285,610 (Jan 2023)
Tax Bill	$4,312 (2025)
Deeds & Mortgages	Jan 2024 Mortgage Jan 2023 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`17790-023-0160`

Property Details

APN / Parcel Number

Primary APN	`17790-023-0160`
Alternative APN	`677048`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,733 sqft Living Area
Gross Area	2,208 sqft
1st Floor Area	1,733 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Contemporary
Exterior Material	Combination
Foundation Type	Slab (Mat/Raft)
Roof Material	Asphalt
Lot Area	6,120 sqft (0.141 acres)
Garage Type	Attached
Garage Area	475 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Open Porch
Porch Area	60 sqft
Shed	1 Shed
Shed Area	100 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	16807 UNION CAVERN
City	SAN ANTONIO
State	TX
Zip	78247-6222
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	NCB 17790 BLK 23 LOT 16 GREEN MOUNTAIN RD SUBD UT-4
Legal Subdivision	RD SUB
Legal Block	23
Legal Lot Number	16
Jurisdiction	BEXAR TX
Township / Civil Division	SAN ANTONIO NORTHEAST
Census Block Group	1
Census Block	1006
Census Tract	121812

Owner

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	16807 UNION CAVERN, SAN ANTONIO, TX 78247-6222
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 30, 2024	Deed of Trust, Mortgage · FHA Mortgage CARRINGTON MORTGAGE SERVICES LLC
Jan 6, 2023	Vendor's Lien, Transfer · FHA Mortgage GUARANTEED RATE INC
Aug 21, 2018	Warranty Deed, Transfer DAVID & MARIA GUZMAN

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 6, 2023 · Amount on Record
Deed Sale	Jan 6, 2023 · Amount on Record
Prior Sale	Aug 21, 2018 · Amount on Record
Deed Document Number	20232955
Prior Transfer Date	Aug 20, 2018
Prior Transfer Doc	0000165776
Record Updated	Oct 29, 2026

January 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BEXAR TX
Property Address	16807 UNION CAVERN, SAN ANTONIO, TX 78247-6222
Transaction Type	Mortgage
Record Updated	Feb 8, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000017230
Date	Jan 30, 2024
Instrument	20240017230

Lender

Name	CARRINGTON MORTGAGE SERVICES LLC
Type	Mortgage Company
Address	ANAHEIM, CA 92806

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2054

January 2023: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	BEXAR TX
Recording Date	Jan 6, 2023
Property Address	16807 UNION CAVERN, SAN ANTONIO, TX 78247-6222
Document Number	0000002955
Map Reference	VOL 9558 PG 33-35
Instrument Date	Jan 6, 2023
Instrument	20230002955
Transaction Type	Transfer
Record Updated	Jan 19, 2023
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16807 UNION CAVERN, SAN ANTONIO, TX 78247-6222

Mortgage

Document Number	0000002956
Date	Jan 6, 2023
Instrument	20230002956

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2053

August 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BEXAR TX
Recording Date	Aug 21, 2018
Property Address	16807 UNION CAVERN, SAN ANTONIO, TX 78247-6222
Document Number	0000165776
Instrument Date	Aug 20, 2018
Instrument	165776
Transaction Type	Transfer
Record Updated	Aug 29, 2018

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16807 UNION CAVERN SAN ANTONIO TX 782476222, SAN ANTONIO, TX 78247-6222

Mortgage

Document Number	165777
Date	Aug 21, 2018
Instrument	165777

Lender

Name	DAVID & MARIA GUZMAN
Address	2532 S HOLMAN, CHICAGO, IL 60623
Special Notes	Seller Financed

Agreement

Amount	Amount Recorded
Term	300 Months
Due	Aug 20, 2043

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Texas
County	Bexar County
Municipality	San Antonio City
Unified School District	North East Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,312.00 (-13.36%) Homeowner's exemption	$278,750 (-2.76%) Land $55,510 Building $223,240	$278,750 (-2.76%) Land $55,510 Building $223,240
2024	$4,977.00 (-24.36%)
2023	$6,580.00 (+3.62%)	$286,670 Land $50,490 Building $236,180	$286,670 Land $50,490 Building $236,180
2022	$6,350.00

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

Flood

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.

Wildfire

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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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