Boulder Flats, San Antonio, TX Property Records

Bexar County property records for 56 addresses on Boulder Flats, San Antonio, TX · Last verified August 2026

Boulder Flats Highlights

Properties 56
Median Sale Price $388,698
Deeds and Mortgages on File 58
Median Price per Sqft $224
Owner Occupied 38%
Median Annual Tax Bill $824
Median Year Built 2022
Median Ownership Tenure 0 years

Properties on Boulder Flats

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

21102 Boulder Flats

0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,681May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21106 Boulder Flats

0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$411,551Jun 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21109 Boulder Flats

0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,689Jul 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21110 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$368,254Jul 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21113 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$368,319Aug 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

21114 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$386,765May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21117 Boulder Flats

0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$349,357Mar 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21118 Boulder Flats

0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$343,073May 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

21121 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$351,413Jun 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21122 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$363,100Jul 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21125 Boulder Flats

0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$421,400Jun 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21126 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$374,814Jun 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21129 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$466,770Mar 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21130 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$384,731Jun 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

21133 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$387,706May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21134 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$396,682Apr 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21137 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$457,852Mar 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21138 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,681May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21141 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$364,010Apr 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

21142 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$8242025 1 Name on Record AssessorUpdated Jun 2026

21145 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$343,613Apr 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21146 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$452,200May 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

21149 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$457,852Mar 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21150 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$381,754May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

21153 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$353,731Apr 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21154 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$388,698Apr 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

21157 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$343,359Aug 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

21158 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$418,396Jun 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

21161 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$409,640Mar 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

21162 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,611May 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21165 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$413,541Apr 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21166 Boulder Flats

0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$8242025 1 Name on Record AssessorUpdated Jul 2026

21169 Boulder Flats

0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,411Jul 2026 $8242025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

21170 Boulder Flats

0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$383,131Mar 2026 $8242025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21203 Boulder Flats

4 bd · 3 ba · 2,464 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2023 $4,9582025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21204 Boulder Flats

4 bd · 2 ba · 1,683 sqft · 0.164 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$176,743Apr 2023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21207 Boulder Flats

4 bd · 2 ba · 1,840 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$412,632Jun 2026 $5,0892025 —Jun 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

21208 Boulder Flats

3 bd · 2 ba · 1,497 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $6,0682025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21211 Boulder Flats

4 bd · 2 ba · 2,025 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2023 $5,0062025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21212 Boulder Flats

3 bd · 2 ba · 1,419 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2023 $5,8472025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21215 Boulder Flats

4 bd · 2 ba · 1,664 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$484,700May 2023 $4,6622025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21216 Boulder Flats

4 bd · 2 ba · 1,786 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,5612025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21219 Boulder Flats

4 bd · 2 ba · 1,751 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$378,280May 2023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21220 Boulder Flats

3 bd · 3 ba · 1,564 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$378,400Jul 2023 $4,5812025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21223 Boulder Flats

3 bd · 2 ba · 1,564 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $4,3872025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21224 Boulder Flats

4 bd · 2 ba · 2,025 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$498,700Jul 2023 $5,5012025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21227 Boulder Flats

4 bd · 2.5 ba · 2,547 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$391,938Aug 2023 $7,8842024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21228 Boulder Flats

4 bd · 3 ba · 2,464 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$480,800May 2023 $5,8642025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21231 Boulder Flats

4 bd · 3 ba · 2,391 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2026 $5,6802025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

21232 Boulder Flats

4 bd · 2 ba · 1,840 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$486,367Apr 2023 $4,7262025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21235 Boulder Flats

4 bd · 2 ba · 1,786 sqft · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $4,8662025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21236 Boulder Flats

5 bd · 3 ba · 2,718 sqft · 0.147 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 Amount on Record Jan 2026 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

21239 Boulder Flats

4 bd · 3 ba · 2,696 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $6,8302025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21240 Boulder Flats

4 bd · 3 ba · 2,391 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $6,1212025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21244 Boulder Flats

4 bd · 2.5 ba · 2,547 sqft · 0.197 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2023 $5,8292025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026
Last Sale Tax Bill Prior Sale Owner Records
—Apr 2023 2 Names on Record Owner Occupied AssessorUpdated Jun 2023

Wildfire Risk on Boulder Flats

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskModerate
this street's cells rank at the 46th percentile of exposed land nationally · 19th in Texas
Wildfire LikelihoodModerate — about 1 in 1,154 per year
ExposureDirect
3 of 3 cells directly exposed · 3 adjoin burnable vegetation

Property Records in Nearby Streets