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Single family home for sale at 310 Castano Ave, Alamo Heights, TX 78209 | MLS# 1968391 | Listing updated on 2026-11-06
Photo 1 of Single family home for sale at 310 Castano Ave, Alamo Heights, TX 78209 | MLS# 1968391 | Listing updated on 2026-11-06
Photo 2 of Single family home for sale at 310 Castano Ave, Alamo Heights, TX 78209 | MLS# 1968391 | Listing updated on 2026-11-06
Photo 3 of Single family home for sale at 310 Castano Ave, Alamo Heights, TX 78209 | MLS# 1968391 | Listing updated on 2026-11-06
Photo 4 of Single family home for sale at 310 Castano Ave, Alamo Heights, TX 78209 | MLS# 1968391 | Listing updated on 2026-11-06
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$1,469,000

Monthly Est:$7,312

  • Beds Icon4 Beds
  • Beds Icon
    4 Baths
  • Beds Icon3,213sqft

310 Castano Ave, Alamo Heights, TX 78209

$7,312/moEst:

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  • Single Family Residence

  • Built in 1940

  • $-- HOA

  • 7,492.32 sqft lot

  • $457/sq.ft

Description

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.

  • Houzeo last checked: 8 minutes ago
  • Listing updated: November 6, 2026 at 1:38 pm
  • Listing Provided by: Deanna Wright | Kuper Sotheby's Int'l Realty (210) 822-8602
  • Source: LERA MLS-TX | MLS#: 1968391 LERA MLS-TX

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Bexar County

  • City

    Alamo Heights

  • Neighborhood

    --

  • Year Built

    1940

  • HOA Fees

    -

  • Finished Area

    3,213 sqft

  • Lot Size

    7,492.32 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    LERA MLS

  • MLS Number

    1968391

  • MLS Status

    PCH

  • Days on Market

    142

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 4

    Bathrooms: 4

Interior

  • Window Features

    All

Utilities & Energy

  • Fireplace Features

    One, Livrm

  • Association Amenities

    None

Other Features

  • Subdivision Name

    Alamo Heights

Price History

DateEventPrice

11/02/2026

Source: mls_logoLERA MLS-TX #1968391

Price Decreased

$1,469,000 -2.00%

$457/sqft

08/20/2026

Source: mls_logoLERA MLS-TX #1968391

Price Decreased

$1,499,000 -1.70%

$467/sqft

07/31/2026

Source: mls_logoLERA MLS-TX #1968391

Price Decreased

$1,525,000 -2.18%

$475/sqft

07/06/2026

Source: mls_logoLERA MLS-TX #1968391

Price Decreased

$1,559,000 -2.26%

$485/sqft

06/18/2026

Source: mls_logoLERA MLS-TX #1968391

Listed for Sale

$1,595,000

$496/sqft

Nearby Homes

Based on information from the San Antonio Board of REALTORS® MLS through Nov 07, 2026, 07:15PM. Information is provided exclusively for consumers’ personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed. © 2026 San Antonio Board of REALTORS - All Rights Reserved.

Advertising Broker: David Montalvo | CapTex Realty

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