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New construction
    • $245,000

    421 Serg Loop, Alamo, TX 78516

    3beds
    1,376sqft
    : 
    $1,836/mo
    Get pre-qualified
    Single Family Residence, Residential
    Built in 2025
    6,250 Square Feet Lot
    $244,500 Zestimate®
    $178/sqft
    $-- HOA

    What's special

    Sleek finishesHigh ceilingsSpacious bedroomsQuality tile flooring throughoutEnergy-efficient windowsKitchen features quartz countertopsModern kitchen island
    Move in Ready!!! Brand-new construction in the heart of Alamo! This beautifully built 3-bedroom, 2-bath home is perfectly located just minutes from Expressway 83, major grocery stores, and everyday conveniences. With a modern open-concept layout, high ceilings, and sleek finishes, this home offers both style and comfort. The kitchen features quartz countertops, custom cabinets and a modern kitchen island—ideal for cooking and entertaining. Spacious bedrooms, energy-efficient windows, and quality tile flooring throughout make this a smart choice. Enjoy a quiet, family-friendly neighborhood with quick access to schools, restaurants, and shopping. Whether you're commuting or staying local, everything you need is right around the corner. Don't miss your chance to own a brand-new home in one of Alamo’s most convenient locations!
    164 days
    |
    37
    |
    5
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Ramon Mancinas 956-400-1084,

    Keller Williams Realty Rgv

    Source: Greater McAllen AOR,MLS#: 496993

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 2
      • Full bathrooms: 2
      Dining room
      • Description: Living Area(s): 1
      Living room
      • Description: Living Area(s): 1
      Heating
      • Has Heating (Unspecified Type)
      Cooling
      • Central Air
      Appliances
      • Included: Electric Water Heater, Water Heater (In Garage), No Conveying Appliances
      • Laundry: Laundry Room, Washer/Dryer Connection
      Features
      • Countertops (Quartz), Ceiling Fan(s), High Ceilings, Split Bedrooms, Walk-In Closet(s)
      • Flooring: Tile
      • Windows: No Window Coverings
      Interior area
      • Total structure area: 1,376
      • Total interior livable area: 1,376 sqft

      Property

      Parking
      • Total spaces: 1
      • Parking features: Attached
      • Attached garage spaces: 1
      Features
      • Patio & porch: Covered Patio, Patio, Patio Slab
      • Fencing: None
      Lot
      • Size: 6,250 Square Feet
      • Features: Curb & Gutters, Sidewalks
      Details
      • Parcel number: C939500000008000

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence, Residential
      Materials
      • Stucco
      • Foundation: Slab
      • Roof: Shingle
      Condition
      • New Construction
      • New construction: Yes
      • Year built: 2025

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      Green energy
      • Energy efficient items: Thermostat

      Community & HOA

      Community
      • Features: Curbs, Sidewalks, Street Lights
      • Security: Smoke Detector(s)
      • Subdivision: Crockett Estates
      HOA
      • Has HOA: No
      Location
      • Region: Alamo

      Financial & listing details

      • Price per square foot: $178/sqft
      • Tax assessed value: $45,000
      • Annual tax amount: $1,164
      • Date on market: 3/2/2026
      • Road surface type: Paved

        Estimated market value

        $244,500

        $232,000 - $257,000

        $1,647/mo

        Price history

        DateEventPrice
        3/2/2026Listed for sale$245,000$178/sqft
        Source: Greater McAllen AOR #496993 Report a problem
        2/27/2026Listing removed$245,000$178/sqft
        Source: Greater McAllen AOR #475900 Report a problem
        7/14/2025Listed for sale$245,000$178/sqft
        Source: Greater McAllen AOR #475900 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$1,164 $45,000 +12.5%
        2024-- $40,000
        2023-- $40,000 +60%
        2022-- $25,000
        2021-- $25,000 +9.6%
        2020-- $22,813
        2019-- $22,813
        2018-- $22,813 +32.7%
        2017-- $17,188
        2016-- $17,188
        2015-- $17,188
        2014-- $17,188
        2013-- $17,188
        2012-- $17,188
        2011-- $17,188 +100%
        2010-- $8,594 -50%
        2009-- $17,188
        2008-- $17,188
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        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.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 78516

        Getting around

        10 / 100
        Car-Dependent
        28 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Salinas
        • Middle: Solis
        • High: Donna H.S.
        • District: Donna ISD

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

        A local agent can set up tours, give advice and negotiate with sellers.

        A local lender can help you make sure your offer is ready when you are.

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