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For sale
    • Price cut: $30K (11/2)
    $1,469,000

    310 Castano Avenue, Alamo Heights, TX 78209

    4beds
    3,213sqft
    : 
    $10,469/mo
    Get pre-qualified
    Single Family Residence
    Built in 1940
    7,492 Square Feet Lot
    $1,410,000 Zestimate®
    $457/sqft
    $-- HOA

    What's special

    Resort-style poolPrivate main-level guest suiteCovered oversized patioGenerous game roomCustom walk-in closetDouble ovensGas cooktop
    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.
    141 days
    1,240
    97

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    Deanna Wright TREC #566830 (210) 373-1553,

    Kuper Sotheby's Int'l Realty

    Source: LERA MLS,MLS#: 1968391MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 4
      • Full bathrooms: 4
      Primary bedroom
      • Features: Split, Sitting Room, Walk-In Closet(s), Ceiling Fan(s), Full Bath
      • Area: 255
      • Dimensions: 17 x 15
      Bedroom 2
      • Area: 156
      • Dimensions: 13 x 12
      Bedroom 3
      • Area: 196
      • Dimensions: 14 x 14
      Bedroom 4
      • Area: 144
      • Dimensions: 12 x 12
      Primary bathroom
      • Features: Shower Only, Double Vanity
      • Area: 72
      • Dimensions: 9 x 8
      Dining room
      • Area: 180
      • Dimensions: 15 x 12
      Family room
      • Area: 306
      • Dimensions: 18 x 17
      Kitchen
      • Area: 255
      • Dimensions: 17 x 15
      Living room
      • Area: 210
      • Dimensions: 14 x 15
      Heating
      • Central, Natural Gas
      Cooling
      • 13-15 SEER AX, 16+ SEER AC, Ceiling Fan(s), Two Central
      Appliances
      • Included: Cooktop, Built-In Oven, Self Cleaning Oven, Microwave, Gas Cooktop, Refrigerator, Disposal, Dishwasher, Gas Water Heater, ENERGY STAR Qualified Appliances
      • Laundry: Upper Level, Washer Hookup, Dryer Connection
      Features
      • Two Living Area, Liv/Din Combo, Eat-in Kitchen, Two Eating Areas, Kitchen Island, Breakfast Bar, Pantry, Study/Library, Game Room, Loft, Utility Room Inside, Secondary Bedroom Down, 1st Floor Lvl/No Steps, High Ceilings, Open Floorplan, High Speed Internet, Walk-In Closet(s), Master Downstairs, Ceiling Fan(s), Chandelier, Solid Counter Tops, 2nd Floor Utility Room, Custom Cabinets, Programmable Thermostat
      • Flooring: Carpet, Ceramic Tile, Wood
      • Windows: Double Pane Windows, Low Emissivity Windows, Window Coverings, Skylight(s)
      • Has basement: No
      • Attic: Partially Finished
      • Number of fireplaces: 1
      • Fireplace features: One, Living Room
      Interior area
      • Total interior livable area: 3,213 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 4
      • Parking features: Two Car Garage, Detached, Garage Apartment, Garage Door Opener, Two Car Carport
      • Garage spaces: 2
      • Carport spaces: 2
      • Covered spaces: 4
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Patio, Covered
      • Exterior features: Sprinkler System, Rain Gutters
      • Has private pool: Yes
      • Pool features: In Ground, Heated
      • Has spa: Yes
      • Spa features: Heated
      • Fencing: Privacy
      Lot
      • Size: 7,492 Square Feet
      • Features: 1/4 - 1/2 Acre, Level, Curbs, Streetlights, Fire Hydrant w/in 500'
      • Residential vegetation: Mature Trees, Mature Trees (ext feat)
      Details
      • Additional structures: Detached Quarters, Second Residence
      • Parcel number: 040241930080
      • Other equipment: Satellite Dish

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Tudor
      • Property subtype: Single Family Residence
      Materials
      • Stone, Stucco, Masonry/Steel
      • Foundation: Slab
      • Roof: Metal
      Condition
      • Pre-Owned
      • New construction: No
      • Year built: 1940

      Utilities & green energy

      • Electric: CPS
      • Gas: CPS
      • Sewer: ALAMO HGTS
      • Water: ALAMO HGTS
      • Utilities for property: Cable Available

      Community & HOA

      Community
      • Features: None
      • Security: Smoke Detector(s), Prewired
      • Subdivision: Alamo Heights
      Location
      • Region: Alamo Heights

      Financial & listing details

      • Price per square foot: $457/sqft
      • Tax assessed value: $1,026,920
      • Annual tax amount: $21,267
      • Price range: $1.5M - $1.5M
      • Date on market: 6/18/2026
      • Cumulative days on market: 142 days
      • Listing terms: Conventional,Cash
      • Road surface type: Paved

        Estimated market value

        $1,410,000

        $1.34M - $1.48M

        $5,682/mo

        Price history

        DateEventPrice
        11/2/2026Price change$1,469,000-2%$457/sqft
        Source: LERA MLS #1968391 Report a problem
        8/20/2026Price change$1,499,000-1.7%$467/sqft
        Source: LERA MLS #1968391 Report a problem
        7/31/2026Price change$1,525,000-2.2%$475/sqft
        Source: LERA MLS #1968391 Report a problem
        7/6/2026Price change$1,559,000-2.3%$485/sqft
        Source: LERA MLS #1968391 Report a problem
        6/18/2026Listed for sale$1,595,000$496/sqft
        Source: LERA MLS #1968391 Report a problem
        3/24/2006Sold--
        Source: LERA MLS #568531 Report a problem
        12/6/2005Sold--
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2026-- $1,026,920
        2025$19,453 +6.3%$1,026,920 +4.6%
        2024$18,295 +5.3%$981,650 +7.2%
        2023$17,370 -2.8%$915,801 -0.5%
        2022$17,863 +6%$920,000 +21.6%
        2021$16,858 $756,860 +4.5%
        2020$16,858 -0.1%$724,160 -0.1%
        2019$16,869 $725,100 +4%
        2018$16,869 +10%$697,420 +6.1%
        2017$15,341 -12.4%$657,490 -12.3%
        2016$17,508 +10.8%$749,310 +9.2%
        2015$15,795 $686,300 +2.2%
        2014$15,795 $671,380 +4%
        2013-- $645,610 +1.1%
        2012-- $638,460 +7.9%
        2011-- $591,820
        2010-- $591,820 -4.5%
        2009-- $619,440 -4%
        2008-- $645,568 +10%
        2007-- $586,880 -0.5%
        2006-- $590,000 -5.6%
        2005-- $625,120
        2004-- --
        2003-- --
        2002-- --
        2001-- --
        2000-- --
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 78209

        Getting around

        65 / 100
        Somewhat Walkable
        36 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Cambridge
        • Middle: Alamo Heights
        • High: Alamo Heights
        • District: Alamo Heights I.S.D.

        Source: LERA MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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