310 Castano Avenue Alamo Heights, TX 78209
310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391 Photo 1
310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391 Photo 2
310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391 Photo 3
310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391 Photo 4
310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391 Photo 5
For more information on this listing, contact us at: (210) 620-6681
Active
$1,499,000
-6%

310 Castano Avenue Alamo Heights, TX 78209

Single Family Detached Property Type
4 Beds
4 Baths
3,213 Sq. Ft.
1940 Year Built
Bexar County
View All Property Details
Timeless character in Alamo Heights. 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.
MLS # 1968391
Monthly HOA N/A
On Site 105 Days
Last Updated 9/30/2026

Open House Schedule

Sunday, October 4, 2026 | 1:00 PM - 3:00 PM
COME AND SEE THE NEW UPDATES!!

Location

Contact Agent

Tami Price

Tami Price

(210) 620-6681

Property Details

Community Information

Address 310 Castano Avenue, Alamo Heights, TX 78209
County Bexar
Subdivision Alamo Heights
Zip Code 78209

School Information

High School Alamo Heights
Middle School Alamo Heights
Elementary School Cambridge

Architecture

Bedrooms 4
Bathrooms 4
Year Built 1940
Stories 2
Style Two Story, Tudor
Exterior Stone/Rock, Stucco, Masonry/Steel
Roof Metal
Foundation Slab
Parking Two Car Garage, Detached
Additional/Other Parking Two Car Carport

Features / Amenities

Interior Features Two Living Area, Liv/Din Combo, Eat-In Kitchen, Two Eating Areas, Island Kitchen, Breakfast Bar, Walk-In Pantry, Study/Library, Game Room, Loft, Utility Room Inside, Secondary Bedroom Down, 1st Floor Lvl/No Steps, High Ceilings, Open Floor Plan, Skylights, Cable TV Available, High Speed Internet, Laundry Upper Level, Walk in Closets, Attic - Partially Finished
Fireplace(s) One, Living Room
Floor Carpeting, Ceramic Tile, Wood
Inclusions Ceiling Fans, Chandelier, Washer Connection, Dryer Connection, Cook Top, Built-In Oven, Self-Cleaning Oven, Microwave Oven, Gas Cooking, Refrigerator, Disposal, Dishwasher, Smoke Alarm, Pre-Wired for Security, Gas Water Heater, Satellite Dish (owned), Garage Door Opener, Solid Counter Tops, 2nd Floor Utility Room, Custom Cabinets
Primary Bedroom Split, DownStairs, Sitting Room, Walk-In Closet, Ceiling Fan, Full Bath
Exterior Features Patio Slab, Covered Patio, Privacy Fence, Sprinkler System, Double Pane Windows, Has Gutters, Mature Trees, Detached Quarters, Additional Dwelling, Garage Apartment
Energy Efficiency 13-15 SEER AX, 16+ SEER AC, Programmable Thermostat, Double Pane Windows, Energy Star Appliances, Low E Windows, Ceiling Fans
Other Structures Guest House
Cooling Two Central
Heating Fuel Natural Gas
Heating Central

Property Features

Lot Size 0.17 Acres
Lot Dimensions 0.172
Lot Description 1/4 - 1/2 Acre, Mature Trees (ext feat), Level
Lot Improvements Street Paved, Curbs, Streetlights, Fire Hydrant w/in 500', City Street
Water/Sewer City
Directions BROADWAY

Tax and Financial Info

Proposed Terms Conventional, Cash
Total Tax 21267.83
Miscellaneous Virtual Tour

Rooms

LevelSize
Primary BedroomMain Level17 X 15
Bedroom 2Main Level13 X 12
Bedroom 32nd Level14 X 14
Bedroom 42nd Level12 X 12
Dining RoomMain Level15 X 12
Family RoomMain Level18 X 17
KitchenMain Level17 X 15
Living RoomMain Level14 X 15
Utility Room2nd Level13 X 6
Entry RoomMain Level8 X 7

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Price Change History

Date Old Price New Price Percent Change
7/6/2026 $1,595,000 $1,559,000
-2.3%
7/31/2026 $1,559,000 $1,525,000
-2.2%
8/20/2026 $1,525,000 $1,499,000
-1.7%

Schools

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310 Castano Avenue Alamo Heights, TX 78209 | MLS 1968391
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Listing Information Last Updated 9/30/2026
Listing provided courtesy of Deanna Wright, Kuper Sotheby's Int'l Realty ([email protected]).
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.
 
Data Provided by LERA MLS. Copyright ©2026 LERA MLS ​