318 Mountain Oak San Antonio, TX 78009

4 Beds
3 Baths
2,399 Sqft
6,534 Sqft lot
0.15 Acre lot
$494,505 Est. $1,821 / mo.*
Status: Pending
Property Type: Single Family Detached
Year Built: 2026
Neighborhood: Alsatian Oaks
Days on Website: 8

Courtesy of Chesmar Homes, Katie Craig {attribution_contact}

Description

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**

Open House

Property Details and Features

  • Listing date: 2026-06-22 05:00:00
  • 7 cumulative days on market
  • 7 days on market
  • Price per square foot: $206
  • 4 bedrooms
  • 3 total bathrooms
  • 3 full bathrooms
  • Tub/Shower Separate
  • Double Vanity
  • County: Medina
  • Area: 0101
  • Subdivision: ALSATIAN OAKS
  • No Steps Down
  • Level Lot
  • No Stairs
  • Built in 2026
  • Construction: New
  • Builder: Chesmar Homes
  • 2,399 square feet
  • 1 story
  • North
  • One Story
  • Covered Patio
  • Privacy Fence
  • Sprinkler System
  • Double Pane Windows
  • Brick
  • 4 Sides Masonry
  • Stone/Rock
  • 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
  • Some Remain
  • Composition
  • Carpeting
  • Ceramic Tile
  • Vinyl
  • Slab
  • One
  • Family Room
  • 1 fireplace
  • Lot size: 0.15
  • Street Paved
  • Curbs
  • Street Gutters
  • Sidewalks
  • Streetlights
  • Controlled Access
  • Park/Playground
  • Jogging Trails
  • Kitchen length: 18 feet
  • Kitchen width: 14 feet
  • Family room width: 16 feet
  • Family room length: 18 feet
  • DownStairs
  • Walk-In Closet
  • Ceiling Fan
  • Master bedroom length: 16 feet
  • Master bedroom width: 13 feet
  • Bedroom 2 length: 12 feet
  • Bedroom 2 width: 10 feet
  • Bedroom 3 length: 11 feet
  • Bedroom 3 width: 11 feet
  • Bedroom 4 length: 12 feet
  • Bedroom 4 width: 11 feet
  • Study/office length: 11 feet
  • Study/office width: 10 feet
  • Two Car Garage
  • Attached
  • Oversized
  • None
  • HOA name: GOODWIN & COMPANY
  • HOA fee 1: $550
  • HOA payment frequency: Annually
  • School district: Medina Valley I.s.d.
  • Elementary school: Castroville Elementary
  • Middle school: Medina Valley
  • High school: Medina Valley
  • Electric
  • Central
  • One Central
  • 16+ SEER AC
  • Programmable Thermostat
  • Double Pane Windows
  • Energy Star Appliances
  • Radiant Barrier
  • Low E Windows
  • High Efficiency Water Heater
  • Ceiling Fans
  • HERS Rated
  • Water System
  • Sewer System
  • Electric utility supplier: CPS
  • Garbage utility supplier: Waste Mgmt
  • Water utility supplier: Castroville
  • Sewer utility supplier: Castroville
  • Tax year: 2026
  • Total tax amount: $0
  • Ceiling Fans
  • Chandelier
  • Washer Connection
  • Dryer Connection
  • Cook Top
  • Built-In Oven
  • Microwave Oven
  • Disposal
  • Dishwasher
  • Ice Maker Connection
  • Vent Fan
  • Smoke Alarm
  • Security System (Owned)
  • Pre-Wired for Security
  • Electric Water Heater
  • Garage Door Opener
  • In Wall Pest Control
  • Plumb for Water Softener