318 MOUNTAIN OAK, SAN ANTONIO, TX 78009
Homes for sale in San Antonio.
Homes for sale in 78009.
List Price$494,505
318 Mountain Oak
San Antonio, TX 78009
Listing #1994081
4
Bedrooms
3 full
Bathrooms
2,399
Square Feet
House
Type
About This Property
Stunning 4-bedroom, 3-bath home with a dedicated office, perfectly situated in the charming town of Castroville. This thoughtfully designed home offers the perfect blend of luxury, space, and functionality. The striking all-brick exterior and elegant arched entryway create a beautiful, upscale first impression. Step inside to soaring ceilings in the entry that enhance the home's open and airy feel. The layout features a separate dining room that maintains definition while still flowing seamlessly into the main living areas-ideal for both everyday living and entertaining. Conveniently located just 17 minutes from Lackland Air Force Base, this home offers the charm of small-town living with easy access to nearby amenities. This home truly has it all-space, style, and an unbeatable location. **Photos are representative - not of actual home** Projected to be completed August 2026**
Listing Courtesy of Katie Craig, Chesmar Homes (210) 361-8635
Property Features
Location Information
County
Medina
MLS Area
0101
Neighborhood Amenities
Controlled Access, Park/Playground, Jogging Trails
Subdivision
ALSATIAN OAKS
Interior Features
Room Dimensions
Kitchen: 18x14, Family: 18x16, MasterBR: 16x13, BR2: 12x10, BR3: 11x11, BR4: 12x11
Fireplace Description
One, Family Room
Interior
One Living Area, Separate Dining Room, Eat-In Kitchen, Two Eating Areas, Island Kitchen, Walk-In Pantry, Study/Library, Utility Room Inside, 1st Floor Lvl/No Steps, High Ceilings, Open Floor Plan, Cable TV Available, High Speed Internet
Heating
Central
Master Bedroom Description
DownStairs, Walk-In Closet, Ceiling Fan
Heating Fuel
Electric
Master Bathroom Description
Tub/Shower Separate, Double Vanity
Cooling
One Central
Has Dining Room
Yes
Floors
Carpeting, Ceramic Tile, Vinyl
Has Family Room
Yes
Accessibility
No Steps Down, Level Lot, No Stairs
Exterior Features
Style
One Story
Water Supplier
Castroville
Is New Construction
Yes
Electric Supplier
CPS
Construction
New
Parking Description
Two Car Garage, Attached, Oversized
Exterior
Covered Patio, Privacy Fence, Sprinkler System, Double Pane Windows
Has Garage
Yes
Manufacturer
Chesmar Homes
Garage Spaces
2
Foundation
Slab
Pool/Spa Description
None
Roof
Composition
Lot Size
0.15
Water / Sewer
Water System, Sewer System
Is One Story
Yes
Sewer Supplier
Castroville
School
School District
Medina Valley I.S.D.
Jr. High School
Medina Valley
Elementary School
Castroville Elementary
High School
Medina Valley
Additional Information
Proposed Terms
Conventional, FHA, VA, TX Vet, Cash, 100% Financing
Status
New
Property Type
SFR
HOA Fee
$550
Property SubType
Single Family Detached
HOA Frequency
Annually
Year Built
2026
Similar Listings
Mortgage Calculator
$2,308
per month
30 Year Fixed. 3.52% Interest Rate.
Principal + Interest
$1,781
Monthly Tax
$412
Monthly Insurance
$115
yrs
%
$
$
Based on a fully amortized fixed rate loan. Ask your agent for the tax rates in your area. Insurance estimate is based on an average cost, your final premium cost will be determined by the type of coverage you select. This program only provides an estimate.
Schools
Walk Score
© 2026 LERA MLS. All rights reserved.
© 2026 LERA MLS. All rights reserved.
The data relating to real estate on this website comes in part from the Internet Data Exchange (IDX) Program of the LERA MLS. IDX information is provided exclusively 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. All Information Is Deemed Reliable But Is Not Guaranteed Accurate.
LERA MLS data last updated at June 26, 2026, 8:53 PM CT
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