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$1,499,000
122 Days On Site

310 Castano Avenue
Alamo Heights, TX 78209

For Sale|Single Family Residence|Active
4
Beds
4
Total Baths
4
Full Baths
3,213
SqFt
$467
/SqFt
1940
Built
Subdivision:
ALAMO HEIGHTS AREA 1
County:
Bexar
Call Now: 210-272-7887
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210-272-7887
Upcoming Open Houses
Sun, Oct 18, 1:00 PM - 3:00 PM
310 Castano Avenue310 Castano Avenue310 Castano Avenue310 Castano Avenue
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Open houses scheduled:10/18/2026 from 1:00 PM to 3:00 PM. Set among mature trees and lush, thoughtfully landscaped grounds, this exceptional 4-bedroom, 4-bathroom residence captures the character and understated sophistication of Alamo Heights. Offering an enviable combination of privacy, gracious living spaces, and elevated indoor-outdoor entertaining, the property is designed for both intimate everyday living and effortless entertaining. From the moment you enter, the home's warmth and distinctive character are immediately apparent. The formal living room, anchored by a fireplace, creates an inviting setting for gatherings, while the adjoining casual dining area leads naturally into the beautifully updated chef's kitchen. Designed with both style and function in mind, the kitchen features a built-in refrigerator, dishwasher, double ovens, gas cooktop, oversized island, and breakfast bar. Beyond the kitchen, a spacious second family room opens through French doors to the expansive covered back porch, seamlessly extending the living space outdoors. The thoughtful floor plan also offers a private guest suite on the main level, complete with a full bath-an ideal retreat for overnight guests or flexible living arrangements. The oversized primary suite is a true sanctuary, filled with natural light and designed for relaxation. The beautifully renovated primary bath elevates the experience with dual vanities, custom built-in storage, a generous walk-in shower, and an impressive custom walk-in closet. Upstairs, two additional bedrooms, two full bathrooms, and a generous game room provide exceptional flexibility for family and guests, while preserving the home's distinctive charm and sense of scale. The outdoor living spaces are where this residence truly shines. A generous covered porch and oversized patio overlook a stunning Keith Zars pool framed by mature landscaping, creating a private, resort-inspired setting for leisurely afternoons, entertaining, and al fresco dining. The grounds offer the rare combination of beauty, privacy, and effortless livability that defines exceptional Alamo Heights living. Adding remarkable versatility, the guest quarters above the garage offer approximately 576 square feet of additional living space, including a living/bedroom area and full bathroom. Ideal for guests, a private office, studio, homeschool space, or extended family, this separate living area provides flexibility without compromising the privacy of the main residence. An oversized two-car garage provides abundant storage, while every aspect of the property reflects a thoughtful balance of comfort and functionality. Beautifully situated in one of San Antonio's most coveted neighborhoods, this is a residence that offers not simply a home, but a refined Alamo Heights lifestyle-private, gracious, and designed for exceptional living.

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Listing Snapshot
Price 
$1,499,000
Days On Site 
122 Days
Bedrooms 
4
Inside Area (SqFt) 
3,213 sqft
Total Baths 
4
Full Baths 
4
Partial Baths 
N/A
Lot Size 
0.172 Acres
Year Built 
1940
MLS® Number 
1968391
Status 
Active
Property Tax 
$21,267.83
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
yesterdayListing updated with changes from the MLS®
2 months agoStatus changed to Active
2 months agoPrice changed to $1,499,000
4 months agoListing first seen on site
General Features
Acres 
0.172
Foundation 
Slab
Garage 
Yes
Garage Spaces 
2
Number Of Stories 
2
Parking 
Garage Door OpenerDetached
Property Sub Type 
Single Family Residence
Security 
Smoke Detector(s)
SqFt Total 
3213
Style 
Two StoryTudor
Utilities 
Cable AvailableCable Connected
Interior Features
Appliances 
CooktopDishwasherRefrigeratorMicrowaveOvenDisposalENERGY STAR Qualified Appliances
Cooling 
Ceiling Fan(s)Central Air
Fireplace 
Yes
Fireplace Features 
Living Room
Fireplaces 
1
Flooring 
CarpetCeramic TileWood
Heating 
CentralNatural Gas
Interior 
Kitchen IslandPantryEat-in KitchenBreakfast BarHigh CeilingsOpen FloorplanHigh Speed InternetWalk-In Closet(s)
Laundry Features 
Upper Level
Spa 
Yes
Window Features 
Skylight(s)Window CoveringsDouble Pane WindowsLow Emissivity Windows
Bedroom 2 
Dimensions - 13x12Level - Main
Bedroom 3 
Dimensions - 14x14Level - Second
Bedroom 4 
Dimensions - 12x12Level - Second
Dining Room 
Dimensions - 15x12Level - Main
Entry Room 
Dimensions - 8x7Level - Main
Family Room 
Dimensions - 18x17Level - Main
Kitchen 
Dimensions - 17x15Level - Main
Living Room 
Dimensions - 14x15Level - Main
Master Bathroom 
Dimensions - 9x8Level - Main
Master Bedroom 
Dimensions - 17x15Level - Main
Other Room 1 
Dimensions - 18x13Level - Second
Utility Room 
Dimensions - 13x6Level - Second
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Exterior Features
Construction Details 
StoneStucco
Fencing 
Privacy
Lot Features 
Level
Other Structures 
Guest House
Patio And Porch 
CoveredPatio
Pool Features 
Outdoor PoolHeatedIn Ground
Private Pool 
Yes
Road Frontage 
City Street
Roof 
Metal
Spa 
Yes
Windows/Doors 
Skylight(s)Window CoveringsDouble Pane WindowsLow Emissivity Windows
Community Features
Association Amenities 
None
School District 
Alamo Heights I.S.D.
Financing Terms Available 
ConventionalCash
Roads 
Paved
Schools
School District
Alamo Heights I.S.D.
Elementary School
Cambridge
Middle School
Alamo Heights
High School
Alamo Heights
Listing courtesy of Deanna Wright of Kuper Sotheby's Int'l Realty (210) 373-1553


IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the MLS.  The MLS may, at its discretion, require use of other disclaimers as necessary to protect participants and/or the MLS from liability.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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