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12010 Old Onyx, San Antonio, TX 78245

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For Sale

$310,000

4 beds • 2 baths • 1,705 sqft

Estimated Payment

$ 2,080 /mo. †

6.67% APR for 30 yrs.
$5,815 in taxes
Change Loan Terms

  • Single Family Detached
    Property type

  • Newly Listed
    Time on Century 21

  • $181.82
    Price per square foot

  • 1-5 Years Old
    Age

Explore this Property

Welcome home to this pristine 2020 build conveniently tucked away in the Canyons at Amhurst neighborhood located near 1604 & Potranco Rd. Upon entering you're welcomed by an open floor plan, customized bar nook and large kitchen with ample storage. This home features four spacious bedrooms with the Primary suite separated for privacy from the rest of the home. Recently updated tile and shower door in the ensuite, double vanities and an oversized walk-in closet. Freshly Painted garage outfitted with a mini-split AC unit provides this home with even more useable space for that man cave, office, home gym or just an entertainment space. On the exterior of the home, you're welcomed by a covered patio with an amazing view to enjoy a morning coffee or unwind from a long day with your favorite cocktail taking in the scenery. The backyard also features a freshly stained privacy fence with a firepit to enjoy s'mores and family time around the fire. This home is ready for its new owner to enjoy! Conveniently located to all the Far West Side of San Antonio has to offer, JBSA-Lackland, Costco & Alamo Ranch Shopping Center.
MLS# 1850805

Courtesy Of RE/MAX Go

(210) 340-3000

Property Features

  • Age
    1-5 Years Old
  • Architecture Style
    Other
  • Floor Covering
    Carpet, Vinyl
  • Heating System
    Central Furnace
  • Lot Size
    0.13 Acres
  • Rooms
    Dining Room, Kitchen, Living Room

Map and Directions

Directions to 12010 Old Onyx, San Antonio, TX 78245

Home seller CENTURY 21 Core Values

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CENTURY 21 Core Values

(210) 668-2828
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Mortgage Calculator

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Monthly Payment Breakdown

  • Principle and Interest
    $1,595
  • Property Taxes
    $484
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $2,080

Calculators provided for estimating purposes only. Consult with your lender to determine precise payment requirements.

Schools

Dr. Linda Mora Elementary School

Grades EE-5 Public School

San Antonio, TX 78245 0.2 miles
1520 american lotus

484 total students
14:1 Student teacher ratio

School Rating: D+

School Details

Gregory Luna Middle School

Grades 6-8 Public School

San Antonio, TX 78253 1.4 miles
200 grosenbacher rd n

1409 total students
17:1 Student teacher ratio

School Rating: C

School Details

William J. Brennan High School

Grades 9-12 Public School

San Antonio, TX 78253 3 miles
2400 cottonwood way

2764 total students
18:1 Student teacher ratio

School Rating: C

School Details
Other Nearby Schools Distance Type Grades School Rating
Bobbye Behlau Elementary School 0.6 miles Public PK-5 C+
Edmund Lieck Elementary School 1.1 miles Public EE-5 C+
Pinnacle Montessori 1.1 miles Private UG
Paul W. Ott Elementary School 1.2 miles Public PK-5 B-
Francis R. Scobee Middle School 1.8 miles Public 6-8 D
Dr. Caroline Wernli Elementary School 1.8 miles Public EE-5 A
Nora Forester Elementary School 1.9 miles Public PK-5 C+
Clarence Galm Elementary School 2 miles Public EE-5 C-
Big Country Elementary School 2 miles Public PK-5 B+
Idea Burke Academy 2.1 miles Public PK-2 C+
Idea Burke College Preparatory 2.1 miles Public 6-7 B+
Little Lions Learning Academy 2.4 miles Private PK-6
Dr. Joe J. Bernal Middle School 2.6 miles Public 6-8 A-
Ed Cody Elementary School 2.6 miles Public EE-5 D
Bob Lewis Elementary School 2.7 miles Public EE-5 C+
Kriewald Road School Of The Arts 2.8 miles Public PK-5 C
Ralph Langley Elementary School 2.8 miles Public EE-5 C+
Mary Lou Fisher Elementary School 3 miles Public PK-5 B

Bobbye Behlau Elementary School

Distance: 0.6 miles

Type Public

Grades: PK-5

C+

Edmund Lieck Elementary School

Distance: 1.1 miles

Type Public

Grades: EE-5

C+

Pinnacle Montessori

Distance: 1.1 miles

Type Private

Grades: UG

Paul W. Ott Elementary School

Distance: 1.2 miles

Type Public

Grades: PK-5

B-

Francis R. Scobee Middle School

Distance: 1.8 miles

Type Public

Grades: 6-8

D

Dr. Caroline Wernli Elementary School

Distance: 1.8 miles

Type Public

Grades: EE-5

A

Nora Forester Elementary School

Distance: 1.9 miles

Type Public

Grades: PK-5

C+

Clarence Galm Elementary School

Distance: 2 miles

Type Public

Grades: EE-5

C-

Big Country Elementary School

Distance: 2 miles

Type Public

Grades: PK-5

B+

Idea Burke Academy

Distance: 2.1 miles

Type Public

Grades: PK-2

C+

Idea Burke College Preparatory

Distance: 2.1 miles

Type Public

Grades: 6-7

B+

Little Lions Learning Academy

Distance: 2.4 miles

Type Private

Grades: PK-6

Dr. Joe J. Bernal Middle School

Distance: 2.6 miles

Type Public

Grades: 6-8

A-

Ed Cody Elementary School

Distance: 2.6 miles

Type Public

Grades: EE-5

D

Bob Lewis Elementary School

Distance: 2.7 miles

Type Public

Grades: EE-5

C+

Kriewald Road School Of The Arts

Distance: 2.8 miles

Type Public

Grades: PK-5

C

Ralph Langley Elementary School

Distance: 2.8 miles

Type Public

Grades: EE-5

C+

Mary Lou Fisher Elementary School

Distance: 3 miles

Type Public

Grades: PK-5

B

School information does not guarantee enrollment. School service boundaries are provided as a reference only, may change, and are not guaranteed to be accurate. Contact the school district directly to verify school enrollment eligibility.

Local area information for San Antonio, TX 78245

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San Antonio, TX 78245

This community’s employment is highest in the administrative support and sales industries. The area’s overall household expenses are below the national average.

96° August
Hottest Average Month
40° January
Coldest Average Month
31,184 Total Households in Area
3.4% Increase in population since the year 2010
48.5%
of households
have children
30 minutes
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Demographic facts
for San Antonio, TX 78245

San Antonio, TX 78245 has a population of 97,113 people in 31,184 households with a median age of 32 years old.

3.4%
Increase in population
since the year 2010
Population is Trending up
29,621
Total households as of 2010
6%
projected percent change in total
households in 5 years

Community Population By Age

The median age for this area is 32 years old. The smallest percentage group is 25-34 years and the largest percentage is the 85+ years age range.

Community Population By Ethnicity

Hispanic 65%
White 37%
Other 18%
Black 10%
Asian 3%
Native American 1%
The most prevalent ethnicity is Hispanic at 65%, followed by White at 37%, Other at 18%, and Black at 10%.

Economics
for San Antonio, TX 78245

2,544 /sq mi
Population Density
$77,587 /yr
Median Household Income
$279,959
Median Sales Price
30 min
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Household by Income

Out of the households in this area, the largest income group is $75-99,999k representing 18.79% of the households.

Transportation to Work

  • Drive 90%
  • Work from Home 8%
  • Walk or Bike 1%
  • Public Transit 1%

Occupancy by Type

Owned 22,203 67%
Rented 8,980 27%
Vacant 2,192 7%

White vs Blue Collar Jobs







White Collar 70%
Blue Collar 30%

Family & Education Facts
for San Antonio, TX 78245

32 Median Age

Average Household Size

3.1
persons per
household

54%

Married Households

Community Population By Education

Some College 26%
High School Graduate 25%
Bachelors Degree 18%
Associates Degree 13%
Some High School 9%
Graduate Degree 8%
Of the total people surveyed, the most prevalent educational attainment level is Some College, representing 26.16% of the population.

Household Family Expenses vs National Average

This location’s average annual expenditures compared to the national average. Index score (100=National Average)
48.6% of households have children

Weather
for San Antonio, TX 78245

The weather for this area ranges from a high of 96° F in August to a low of 40° F in January

96° August
Hottest Average Month
40° January
Coldest Average Month

Average Temperature by Month

Low (°F)
High (°F)
Jan
40°
63°
Feb
43°
68°
Mar
50°
75°
Apr
58°
81°
May
65°
87°
Jun
71°
93°
Jul
72°
96°
Aug
72°
96°
Sep
68°
91°
Oct
59°
83°
Nov
49°
72°
Dec
42°
65°

Average Temperature in Degrees Fahrenheit

Precipitation

Precipitation (inch)

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Copyright © 2025 San Antonio Board of Realtors®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data powered by Attom Data Solutions. Copyright© 2025. Information deemed reliable but not guaranteed.

This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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