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Keenan Group#1 Austin Board of Realtors Team 2024
309 Lt John Decker DR, photo 1 of 17, San Marcos, San Marcos, TX
Pending

$323,900

3Beds
2Baths
1,489Sq Ft
0.15 acresLot
Pending

309 Lt John Decker Dr, San Marcos, TX 78666

San Marcos·MLS# 9856676·Built 2025

3 bed, 2 bath, 1,489 sqft on 0.15 acres in San Marcos. San Marcos, TX 78666. $323,900. SanMarcosCONSISD.

About This Home

This charming Terrata home, located within the exciting TRACE master plan, features three bedrooms, including the private master retreat, with an expansive family room, impressive kitchen and formal dining room. A covered back patio creates the perfect outdoor living space for sipping lemonade on hot summer evenings or gathering around a fire pit roasting marshmallows. Designed with your needs in mind, this home provides the perfect backdrop to the most fulfilling life.

Property Type
Residential
Year Built
2025
Lot Size
0.15 acres
Price / Sq Ft
$218
HOA
$65.79/mo
Garage
2 spaces

Listing information last updated October 14, 2026.

Listed by LGI Homes

MLS# 9856676 • Pending

IDX inquiries: Keenan Group at Compass · (512) 415-7653

Highlights

2-car garage with additional parking capacity
New construction completed in 2025
Breakfast Bar
Ceiling-High
Granite Counters
Double Vanity

Facts & Features

Interior

Features

  • Breakfast Bar
  • Ceiling-High
  • Granite Counters
  • Double Vanity
  • In-Law Floorplan
  • No Interior Steps
  • Open Floorplan
  • Pantry
  • Primary Bedroom on Main
  • Recessed Lighting
  • Smart Thermostat
  • Walk-In Closet(s)

Appliances

  • Dishwasher
  • Disposal
  • ENERGY STAR Qualified Appliances
  • ENERGY STAR Qualified Dishwasher
  • Exhaust Fan
  • Gas Cooktop
  • Gas Range
  • Ice Maker
  • Microwave
  • Free-Standing Gas Range
  • Refrigerator
  • Stainless Steel Appliance(s)
  • Vented Exhaust Fan
  • Water Heater
  • Tankless Water Heater

Flooring

  • Carpet
  • Vinyl
Heating
Central,Exhaust Fan,Natural Gas
Cooling
Ceiling Fan(s),Central Air,Electric,ENERGY STAR Qualified Equipment,Exhaust Fan
Exterior & Lot

Construction

  • Concrete
  • Frame
  • Glass
  • ICAT Recessed Lighting
  • Blown-In Insulation
  • Radiant Barrier

Lot Features

  • Back Yard
  • Curbs
  • Few Trees
  • Front Yard
  • Interior Lot
  • Sprinkler - Automatic
  • Sprinkler - Rain Sensor
  • Trees-Small (Under 20 Ft)

Fencing

  • Back Yard
  • Privacy
  • Wood

Foundation

  • Slab

Patio / Porch

  • Covered
  • Front Porch
  • Patio
Roof
Composition,Shingle
Lot Size
0.15 Acres

Parking

  • Attached
  • Concrete
  • Door-Single
  • Driveway
  • Electric Vehicle Charging Station(s)
  • Garage
  • Garage Door Opener
  • Garage Faces Front
Garage Spaces
2
Financial
HOA Fee
$66 / mo
Original List Price
$323,900
Price per Sq Ft
$218
Utilities
  • Cable Available
  • Electricity Connected
  • Natural Gas Connected
  • Phone Available
  • Sewer Connected
  • Underground Utilities
  • Water Connected
Water Source
Public
Sewer
Public Sewer

Transaction History

1 record on file

Every recorded listing, sale, and lease at 309 Lt John Decker DR, whoever represented it.

  1. PendingListed 2026
    Current price: $323,900Original list: $323,900MLS 9856676
    1. Listed · May 26, 2026$323,900
    2. Price changed · August 1, 2026$313,900
    3. Price changed · August 20, 2026$323,900

Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.

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Price & Listing History

Pending with current price, original ask, and market time.

View Timeline
Current list
$323,900
Original list
$323,900
Price movement
No verified reduction
Listed / DOM
May 26, 2026 · 142 days

Tax Record

Public record data from county appraisal records. Market value can differ from assessed value.

Assessed Value
$49,785
Assessment Year
2025
Parcel ID
11-8903-000E-04300-3
YearTaxesTotal AssessmentLandAdditions
2025
—$49,785$49,785—
Map showing 309 Lt John Decker DR
309 Lt John Decker DR
Directions

Zoned Schools

SanMarcosCONSISD

1 High School1 Middle School1 Elementary School

San Marcos

High SchoolGrades 9-12Zoned assignment

Miller

Middle SchoolGrades 6-8Zoned assignment

Rodriguez

ElementaryGrades K-5Zoned assignment

Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility.

Principal & interest
$1,794
HOA dues
$66

Excluded from this estimate: property taxes and home insurance. Each requires verified amount, cadence or unit, source, and as-of details.

HOA source: MLS Grid / Unlock MLS, as of 2026-10-15T11:22:09.545+00:00; normalized from monthly dues.

20% ($65K)

Adjustable assumption - not a lending recommendation.

$323,900

Loan: $259K
Mortgage rate%
Payoff: ~2056
Rate source: Freddie Mac 30-year fixed average (PMMS via FRED), as of 2026-10-15
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Keenan Market Position

A sourced read on San Marcos pricing, timing, and property scale. No automated valuation claim.

List price

$323,900

Price per sqft

$218/sqft

Vs. Neighborhood guide reference price

Not available

Days on market

142 days

Original to current

No verified reduction

$323.9K original

Active inventory context

Ask for current inventory

Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 15, 2026.

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Frequently Asked Questions

How much is 309 Lt John Decker Dr?

309 Lt John Decker Dr is listed at $323,900 with 3 bedrooms, 2 full bathrooms, 1,489 square feet, 0.15-acre lot. This places it above the ZIP 78666 single-family closed-sale median price of $310,500 (ZIP 78666 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 15, 2026).

What school district is 309 Lt John Decker Dr in?

309 Lt John Decker Dr is zoned for SanMarcosCONSISD with assigned schools: Rodriguez (San Marcos ISD) (elementary), Miller (middle), San Marcos (high). School assignments should be verified directly with the district.

What are the property details for 309 Lt John Decker Dr?

309 Lt John Decker Dr is a Residential built in 2025 featuring 3 bedrooms, 2 full bathrooms, 1,489 square feet, 0.15-acre lot.

How should a buyer estimate the monthly payment for 309 Lt John Decker Dr?

This page does not assume a mortgage rate or publish a monthly payment for 309 Lt John Decker Dr. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.

How does 309 Lt John Decker Dr compare with other homes in San Marcos?

As of Oct 15, 2026, 309 Lt John Decker Dr is offered at $323,900. The current MLS snapshot shows 358 active listings in 78666. Keenan Group has completed 4 verified transactions in 78666 within its 1,000+ completed transactions and $1B+ career volume across Austin.

What is the community structure at 309 Lt John Decker Dr?

The MLS listing reports HOA or association dues of $66 monthly for 309 Lt John Decker Dr. It does not establish included amenities, services, rules, reserves, or current assessments; verify those items in current association documents.

Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.

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IDX information is provided exclusively for consumers' personal, non-commercial use and 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 by MLS GRID. Use of MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS, as amended from time to time.

Based on information submitted to MLS GRID as of 10/15/2026, 6:22:09 AM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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Last updated: 10/15/2026, 6:22:09 AM

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