20830 Lamm Rd, Elmendorf, TX 78112 Property Records

Bexar County property record for 20830 Lamm Rd, Elmendorf, TX 78112

Property Summary

Property TypePetroleum & Gas Wells
Details9,673,474 sqft · built 1990
Lot Size8.35 acres (363,726 sqft)
OwnerCompany Name on File
Tax Bill$69,845 (2025)
Deeds & MortgagesDec 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN04010-903-0020

Property Details

APN / Parcel Number

Primary APN04010-903-0020
Alternative APN
  • 1180534

Interior

Stories1 Story
Building Area9,673,474 sqft Total Area
Gross Area810 sqft
1st Floor Area810 sqft

Exterior

Year BuiltBuilt 1990
Effective Year BuiltEffective 1990
Exterior MaterialConcrete Block
Construction TypeConcrete
Roof MaterialOther
Lot Area363,726 sqft (8.35 acres)
Deck AreaDeck Area
Canopy6,917 sqft
Total Buildings5 Buildings

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address20830 LAMM RD
CityELMENDORF
StateTX
Zip78112
Property CategoryPublic Works
Property TypePublic Works > Petroleum & Gas Wells
Legal DescriptionCB 4010J BLK 3 LOT 2 NUSTAR ECOT SUBD 2013 NEW ACCT PER PLAT 9644/124-131
Legal SubdivisionCB 4010J NUSTAR ECOT SUBD
Legal Tract2
Legal Block3
Legal Lot Number2
JurisdictionBEXAR TX
Township / Civil DivisionSAN ANTONIO SOUTH
Census Block Group1
Census Block1024
Census Tract152202

Owner

20830 Lamm Rd, a public works property, is owned by a company that acquired it in January 2013.

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

Owner of RecordCompany Name on File
Mailing Address1 GREENWAY PLZ, 100, HOUSTON, TX 77046-0102
Owner TypeCompany
VestingLimited Liability Company

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 NamesName on Deed
Last SaleJan 2, 2013
Deed SaleJan 2, 2013
Deed Document Number2013403
Deed Book / Page15877 / 902
Record UpdatedSep 20, 2026

December 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionBEXAR TX
Recording DateDec 2, 2020
Property Address20830 LAMM RD, ELMENDORF, TX 78112
Document Number0000294242
Instrument DateNov 12, 2020
Instrument294242
Transaction TypeTransfer
Record UpdatedDec 17, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address5151 BELT LINE RD #715 DALLAS TX 752547547, 715, DALLAS, TX 75254-7547

Mortgage

Document Number294243
DateDec 2, 2020
Instrument294243
Lender
NameB1BANK
Address5220 SPRING VALLEY RD # 100, DALLAS, TX 75254-2465
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 20830 Lamm Rd was $69,845, down 7.1% 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 DistrictSouthside Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$69,845.00 (-7.08%)$2,952,340 Land $189,140 Building $2,763,200$2,952,340 Land $189,140 Building $2,763,200
2024$75,169.00 (+3.36%)
2023$72,725.00 (-7.11%)$3,043,910 Land $167,310 Building $2,876,600$3,043,910 Land $167,310 Building $2,876,600
2022$78,295.00

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

Flood

FEMA maps place 20830 Lamm Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2010.

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
Nearby Flood Policies4 in force
Nearby Flood Claims1 (2010)
Most Recent ClaimJun 2010 · 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 20830 Lamm Rd is moderate, ranking above 45% of the US, with a 0.07% annual chance of wildfire.

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

Wildfire RiskModerate
above 45% of the US · lower than 81% of Texas
Wildfire Likelihood0.07% annual chance
ExposureDirect
burnable vegetation

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 25 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Fiber · Cable in parts of the area
1,000 / 1,000
Alamo Broadband
Fixed Wireless
450 / 100
ZipLink Internet
Fixed Wireless
100 / 20

May also be available: Verizon, VTX Communications.

Nearby Properties on Lamm Rd

Nearby Streets

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