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100 E Main St, Round Rock, TX 78664 Property Records

Williamson County property record for 100 E Main St, Round Rock, TX 78664 · Last verified April 2026

Property Highlights

Property TypeCommercial > Retail
Bathrooms2 Baths
Year BuiltBuilt 1998
Square Footage4,800 sqft Gross Area
Lot Size3,750 sqft (0.086 acres)
Tax Bill$26,558.00 (2024)

Property Details

APN / Parcel Number

Primary APNR-16-5120-0022-0009
Alternative APNs
  • R071435
  • 126700

Interior

Full Baths2 Baths
Total Rooms12 Rooms
Units5 Units
Building Area4,800 sqft Gross Area
1st Floor2,400 sqft 1st Floor
Stories2 Stories

Exterior

Year BuiltBuilt 1880
Effective Year BuiltEffective 1998
Exterior MaterialStone Exterior
Roof ConstructionFlat Roof Construction
Lot Area3,750 sqft (0.086 acres)
Patio Area240 sqft Patio
PorchOpen Porch
Porch Area240 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
Heating FuelGas Heating Fuel
SewageSewage Connected
Water SourceYes (Unknown Type) Water Source

Location & Zoning

Account NumberR16512000220009
Street Address100 E MAIN ST
CityROUND ROCK
StateTX
Zip78664-5222
Property UsageCommercial Property Usage
TypeCommercial > Retail
Legal DescriptionROUND ROCK CITY OF, BLOCK 22, LOT 9
Legal SubdivisionROUND ROCK CITY OF
Legal Block22
Legal Lot Number9
JurisdictionWILLIAMSON TX
Minor Civil DivisionROUND ROCK-GEORGETOWN
Census Blockgroup1
Census Block1065
Census Tract20701

Owner

Source: Williamson County records · APN R-16-5120-0022-0009

Assessment roll updated September 15, 2025 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on File
Mailing Address15720 STONE OAK ESTATES CT, CYPRESS, TX 77429-6942
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 03, 2023
Deed SaleMar 03, 2023
Deed Doc Number202316295
Prior Transfer DateFeb 26, 2014
Prior Transfer Doc0000013196
Record RefreshedJun 08, 2026

March 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionWILLIAMSON TX
Recording DateMar 03, 2023
Property Address100 E MAIN ST, ROUND ROCK, TX 78664-5222
Document Number0000016295
Map ReferenceCAB A SL 190
Instrument DateMar 02, 2023
Instrument2023016295
Transaction TypeTransfer
Record UpdatedOct 26, 2023

Transaction

Tax$0.00
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address15720 STONE OAK ESTATES CT, CYPRESS, TX 77429-6942

Tax Assessment & Valuation

Source: Williamson County records · Assessment roll updated September 15, 2025 · Last verified April 2026

Property Jurisdictions

TypeName
StateTexas
CountyWilliamson County
MunicipalityRound Rock City
Unified School DistrictRound Rock Independent School District (PK - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2025$26,558.00$1,768,000 (+0.49%) Land $615,300 Building $1,152,700$1,768,000 (+0.49%) Land $615,300 Building $1,152,700
2024$26,558.00 (+0.8%)
2023$26,348.00 (+8.16%)$1,759,423 Land $615,300 Building $1,144,123$1,759,423 Land $615,300 Building $1,144,123
2022$24,361.00

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