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New construction
  • $245,000

    421 Serg Loop, Alamo, TX 78516

    3beds
    1,376sqft
    : 
    Single Family Residence, Residential
    Built in 2025
    6,250.86 Square Feet Lot
    $244,900 Zestimate®
    $178/sqft
    $-- HOA

    What's special

    Sleek finishesHigh ceilingsSpacious bedroomsEnergy-efficient windowsKitchen features quartz countertopsModern kitchen islandCustom cabinets
    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!
    152 days
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    64
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    5
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    Zillow last checked: 8 hours ago

    Listing updated: November 21, 2025 at 10:12am

    Listed by:

    Ramon Mancinas 956-400-1084,

    Keller Williams Realty Rgv

    Source: Greater McAllen AOR,MLS#: 475900

    Tour with a local agent

    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, Electric
    Appliances
    • Included: Electric Water Heater, Water Heater (Laundry Room), 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: 6,250.86 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: $1,171
    • Date on market: 7/14/2025
    • Road surface type: Paved
    Get pre-qualifiedBe ready to make an offer.
    Connect with an agentGet info on this home, tour, and more.
    Calculate monthly paymentSee if you can afford this home.

    Estimated market value

    $244,900

    $233,000 - $257,000

    $1,793/mo

    Price history

    Price history
    DateEventPrice
    7/14/2025Listed for sale$245,000$178/sqft
    Source: Greater McAllen AOR #475900 Report a problem

    Public tax history

    Public tax history
    YearProperty taxesTax assessment
    2025-- $45,000 +12.5%
    2024-- $40,000
    2023-- $40,000 +60%

    Find assessor info on the county website

    BuyAbility℠ payment

    Est. payment
    $1,561/mo
    Principal & interest
    $1167
    Property taxes
    $308
    Home insurance
    $86

      Climate risks

      Neighborhood: 78516

      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.

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