421 Serg Loop, Alamo, TX 78516
Property image
Property image
FOR SALE
NEW CONSTRUCTION

$229,900

  • 3 Beds
  • 2 Baths
  • 1,376 sqft

421 Serg Loop, Alamo, TX 78516

Est. Mortgage $1,709/mo*
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Home Highlights

Single-Family Home
Built in 2025
$167/sqft
1 Car Garage

Local Information

  • Map ViewExplore the area around 421 Serg Loop.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

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!
Last check for updates: about 11 hours ago
Listing courtesy of Ramon Mancinas, (956) 400-1084
Keller Williams Realty Rgv
Source: Greater McAllen AOR, MLS#496993
Also Listed on Greater McAllen AOR.

Home Details for 421 Serg Loop

Interior Features

Interior Details
Number of Rooms: 2Types of Rooms: Dining Room, Living Room
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 2
Dimensions and Layout
Living Area: 1376 Square Feet
Appliances & Utilities
Appliances: Electric Water Heater, Water Heater (In Garage), No Conveying AppliancesLaundry: Laundry Room,Washer/Dryer Connection
Heating & Cooling
Heating: Has Heating Unspecified TypeHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Has Heating Unspecified Type
Windows, Doors, Floors & Walls
Window: No Window CoveringsFlooring: Tile
Levels, Entrance, & Accessibility
Floors: Tile
Security
Security: Smoke Detector(s)

Exterior Features

Exterior Home Features
Roof: ShinglePatio / Porch: Covered Patio, Patio, Patio SlabFencing: NoneFoundation: Slab
Parking & Garage
Number of Garage Spaces: 1Number of Covered Spaces: 1No CarportHas a GarageHas an Attached GarageParking Spaces: 1Parking: Attached
Frontage
Road Surface Type: Paved
Water & Sewer
Sewer: Public Sewer

Days on Market

Days on Market: 180+

Property Information

Year Built
Year Built: 2025
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence, Residential
Building
Construction Materials: StuccoIs a New ConstructionDoes Not Include Home Warranty
Property Information
Condition: New ConstructionParcel Number: C939500000008000

Price & Status

Price
List Price: $229,900Price Per Sqft: $167
Status Change & Dates
Possession Timing: Closing and Funding

Active Status

MLS Status: Active

Location

Direction & Address
City: AlamoCommunity: Crockett Estates
School Information
Elementary School: SalinasElementary School District: Donna ISDJr High / Middle School: SolisJr High / Middle School District: Donna ISDHigh School: Donna H.S.High School District: Donna ISD

Agent Information

Listing Agent
Listing ID: 496993

Building

Building Area
Building Area: 1376 Square Feet

Community

Community Features: Curbs, Sidewalks, Street Lights

HOA

No HOA

Lot Information

Lot Area: 6250.86 sqft

Energy

Energy Efficiency Features: Thermostat

Miscellaneous

Mls Number: 496993

Additional Information

CurbsSidewalksStreet Lights

Around this home

What Locals Say about Alamo

At least 39 Trulia users voted on each feature.

  • 85 % Say car is needed

  • 79 % Say parking is easy

  • 76 % Say there's holiday spirit

  • 75 % Say yards are well-kept

  • 57 % Say it's quiet

  • 51 % Say they plan to stay for at least 5 years

  • 47 % Say kids play outside

  • 44 % Say it's dog friendly

  • 43 % Say people would walk alone at night

  • 42 % Say there are sidewalks

  • 41 % Say streets are well-lit

  • 34 % Say neighbors are friendly

  • 32 % Say it's walkable to restaurants

  • 32 % Say there's wildlife

  • 27 % Say there are community events

  • 24 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Fasho580
    "I love this city. I think the property value now is going up a lot more than usual. Not sure why but something is prolly coming here. Im military. I live here. Work here. I love it here. I don’t ever want to move anywhere else. "
    0
    Flag
  • Melissanolan956
    "great area. three parks and a pool behind memorial HS. Walmart heb and dollar general in area. born and raised here. "
    6
    Flag
  • Jda0787
    "It’s not Safe there’s a lot of gang related youngsters and I think they run the streets there gunshots on a daily"
    0
    Flag

Market trends in Alamo

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
139

Home Value

Trulia Estimate
$230K
Since last month
Decreased$15K (-6%)
Since last year
Decreased$15K (-6%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value decreased by -6% in the last 10 years
MonthEstimated value
2026
September 2026$230K
August 2026$244K
July 2026$244K
June 2026$244K
May 2026$244K
April 2026$244K
March 2026$244K
January 2026$244K
2025

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
429 Serg Loop, Alamo, TX
0.04
Single-Family Home
-
04/21/26
3
2
1,375
477 Serg Loop, Alamo, TX
0.06
Single-Family Home
-
03/31/26
3
2
1,350
433 Serg Loop, Alamo, TX
0.06
Single-Family Home
-
11/21/25
3
2
1,297
482 Cripple Creek Cir, Alamo, TX
0.18
Single-Family Home
-
12/24/25
3
2
1,065
827 Sabrina Dr, Alamo, TX
0.26
Single-Family Home
-
06/18/26
3
2
1,215
400 Pine Crk, Alamo, TX
0.32
Single-Family Home
-
03/09/26
3
2
1,260
823 Sabrina Dr, Alamo, TX
0.33
Single-Family Home
-
11/07/25
3
2
1,220
819 Canela Dr, Alamo, TX
0.31
Single-Family Home
-
03/16/26
3
2
1,760
227 Vanilla, Alamo, TX
0.20
Single-Family Home
-
07/06/26
4
2
1,389

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
427 Serg Loop, Alamo, TX 78516
0.03
$233,000
3
2
1,373
For Sale
419 Serg Loop, Alamo, TX 78516
0.01
$229,900
3
2
1,348
For Sale
429 Serg Loop, Alamo, TX 78516
0.04
-
3
2
1,375
Recently Sold
417 Serg Loop, Alamo, TX 78516
0.02
$229,900
3
2
1,350
For Sale
474 Serg Loop, Alamo, TX 78516
0.03
$237,000
3
2
1,379
For Sale
415 Serg Loop, Alamo, TX 78516
0.03
$229,900
3
2
1,313
For Sale
433 Serg Loop, Alamo, TX 78516
0.06
-
3
2
1,297
Recently Sold
435 Serg Loop, Alamo, TX 78516
0.07
$225,000
3
2
1,357
For Sale
477 Serg Loop, Alamo, TX 78516
0.06
-
3
2
1,350
Recently Sold
458 Serg Loop, Alamo, TX 78516
0.10
$183,500
3
2
1,116
Off Market
486 Serg Loop, Alamo, TX 78516
0.08
-
-
-
-
Recently Sold

Price and Tax history

DateEventPrice
Sep 7, 2026
Source: Greater McAllen AOR #496993
PriceChange
$229,900
Price decreased by 6%
Mar 2, 2026
Source: Greater McAllen AOR #496993
Listed For Sale
$245,000
Feb 27, 2026
Source: Greater McAllen AOR #475900
ListingRemoved
$245,000
Jul 14, 2025
Source: Greater McAllen AOR #475900
Listed For Sale
$245,000

LGBTQ Local Legal Protections

Ramon Mancinas, Keller Williams Realty Rgv
Agent Phone: (956) 400-1084
Listing information is deemed reliable, but not guaranteed.

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Frequently asked questions about 421 Serg Loop

  • What is the estimated monthly payment for 421 Serg Loop?
    Based on a $229,900 list price with 20% down at today's rates, the estimated monthly payment for 421 Serg Loop in Alamo, TX is approximately $1,726 (about $1,220 principal & interest, $431 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • What do residents say about Alamo?
    Residents describe Alamo, TX as easy to park in, well-kept, and quiet. Most residents say you need a car. See homes for sale in Alamo, TX.
  • What are the closest schools to 421 Serg Loop?
    The closest schools to 421 Serg Loop in Alamo, TX are A P Solis Middle School (rated 8/10), Capt D Salinas II Elementary School (Pre-K, rated 7/10), Donna High School (rated 4/10).
  • What is 421 Serg Loop estimated to be worth?
    Trulia's estimated value for 421 Serg Loop in Alamo, TX is $229,700.
  • Does 421 Serg Loop have air conditioning?
    Yes, 421 Serg Loop in Alamo, TX has air conditioning.
  • Does 421 Serg Loop have laundry facilities?
    Yes, 421 Serg Loop in Alamo, TX has laundry facilities.
421 Serg Loop, Alamo, TX 78516 is a 3 bedroom, 2 bathroom, 1,376 sqft single-family home built in 2025. This property is currently available for sale and was listed by Greater McAllen AOR on Mar 2, 2026. The MLS # for this home is MLS# 496993.