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4 Beds
4 Baths
3,213 sqft

$1,469,000

310 Castano Avenue , Alamo Heights TX, 78209

Price per sqft$457.21
Built in1940
Property size3,213 sqft
Property typeResidential

Overview

Active

Listed Jun 18, 2026

Updated 8h ago

Exceptional Alamo Heights living with a private detached guest quarters and resort-style pool! Nestled among mature trees and lush landscaping, this beautifully appointed 4-bedroom, 4-bath home offers a rare combination of elegance, privacy, and versatile living. The inviting interior features a fireplace in the formal living room, updated chef's kitchen with oversized island, double ovens, gas cooktop, and breakfast bar, plus a spacious family room opening to the covered back porch. The thoughtfully designed floor plan includes a private main-level guest suite, luxurious primary retreat with beautifully renovated bath and custom walk-in closet, and two additional upstairs bedrooms, two full baths, and a generous game room. The outdoor setting is truly exceptional, featuring a covered oversized patio, and stunning Keith Zar's pool surrounded by mature landscaping, creating a private backyard oasis perfect for entertaining and relaxing. A standout feature is the approximately 576-square-foot detached living quarters above the oversized two-car garage, complete with a living/bedroom area and full bath. Ideal for guests, extended family, a private office, studio, or additional flexible living space, this separate residence offers exceptional versatility and privacy. A rare opportunity to enjoy gracious Alamo Heights living with the added luxury of detached accommodations and a beautiful resort-style pool.

$9,773/mo

Est. mortgage payment based on a $1,469,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
1968391
Available since
June 18, 2026

Interior Features

Bedrooms
4
Bathrooms
4
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.17 Acres

Other Property Details

Taxes
$21,268
Tax Frequency
Annually
Garage
Yes

 Courtesy of Deanna Wright | Kuper Sotheby's International Realty

Based on information from DASH - Sotheby's International Realty (SIR) as of 11/13/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. 

©2026 DASH - Sotheby's International Realty (SIR). All rights reserved. 

Data last updated 4:43 AM UTC, 11/13/2026

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