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Keenan Group#1 Austin Board of Realtors Team 2024

$824,990

5Beds
3Baths
3,193Sq Ft
1.06 acresLot

140 Gustav Ln, San Marcos, TX 78666

Reduced 3%$849,990
San Marcos·MLS# 6711808·Built 2023·129 days on market

5 bed, 3 bath, 3,193 sqft on 1.06 acres in San Marcos. San Marcos, TX 78666. $824,990. Navarro ISD.

About This Home

Luxury Meets Country Living in San Marcos! Welcome to 140 Gustav Ln, a stunning custom-built home offering the perfect blend of upscale finishes, modern technology, and peaceful Texas living. Situated on a spacious 1-acre lot, this beautifully appointed 5-bedroom, 3-bathroom home also features a dedicated office, providing flexibility for it all! Step inside to discover an impressive open-concept layout filled with natural light, soaring 10-foot ceilings, 8-foot doors, designer finishes, and a striking floor-to-ceiling wood-burning fireplace anchoring the expansive living room. The chef-inspired kitchen is the heart of the home, showcasing Level 6 Calacatta quartz countertops, custom soft-close cabinetry, premium stainless steel appliances, smart double ovens, induction cooktop, pot filler, oversized pantry, large center island, and a custom vent hood with designer backsplash. The private primary suite offers a luxurious retreat with tray ceilings and a spa-inspired bath featuring dual vanities, an oversized walk-in shower with dual shower heads, rain shower, bench seating, and a spacious custom walk-in closet. Built with comfort and efficiency in mind, this Energy Star-certified smart home includes spray foam insulation, an 18 SEER two-stage HVAC system, smart home technology package, built-in speakers, security system, pre-wired camera system, water softener, sprinkler system, and backup generator connection. Enjoy seamless indoor-outdoor living with oversized picture windows overlooking the backyard and a covered patio featuring vaulted wood ceilings, built-in speaker zones, and space pre-plumbed for an outdoor kitchen. The fully fenced property offers a 3-car side-entry garage, detached shop/garage with 220V service, seamless gutters, and extensive irrigation. A rare combination of luxury finishes, advanced technology, energy efficiency, and wide-open space, this exceptional property offers what you've been searching for while located near San Marcos!

Property Type
Residential
Year Built
2023
Lot Size
1.06 acres
Price / Sq Ft
$258
Garage
3 spaces

Listing information last updated September 6, 2026.

Listed by Keller Williams City-View

MLS# 6711808 • Active

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

Highlights

3-car garage with additional parking capacity
Generous 1.06-acre lot
Ceiling Fan(s)
Tray Ceiling(s)
Kitchen Island
Multiple Dining Areas

Facts & Features

Interior

Features

  • Ceiling Fan(s)
  • Tray Ceiling(s)
  • Kitchen Island
  • Multiple Dining Areas
  • Open Floorplan
  • Pantry
  • Primary Bedroom on Main
  • Recessed Lighting
  • Smart Home
  • Smart Thermostat
  • Sound System
  • Study
  • Home Office
  • Walk-In Closet(s)
  • Wired for Sound

Appliances

  • Dishwasher
  • Disposal
  • ENERGY STAR Qualified Appliances
  • Induction Cooktop
  • Microwave
  • Stainless Steel Appliance(s)
  • Water Softener

Flooring

  • Carpet
  • Tile
Heating
Ceiling,Electric,ENERGY STAR Qualified Equipment
Cooling
Ceiling Fan(s),Central Air,ENERGY STAR Qualified Equipment
Fireplaces
1
Exterior & Lot

Features

  • Lighting
  • Outdoor Grill
  • Private Yard

Construction

  • Brick
  • Stone

Lot Features

  • Back Yard
  • Landscaped

Fencing

  • Fenced
  • Wood

Foundation

  • Slab

Patio / Porch

  • Covered
  • Front Porch
  • Patio
  • Porch
Roof
Composition
Lot Size
1.06 Acres

Parking

  • Attached
  • Driveway
  • Garage
  • Garage Faces Side
  • Workshop in Garage
Garage Spaces
3
Financial
Original List Price
$849,990
Price per Sq Ft
$258
Utilities
  • Cable Available
  • Electricity Available
  • High Speed Internet
Water Source
Public
Sewer
Public Sewer,Septic Tank

Transaction History

1 record on file

Every recorded listing, sale, and lease at 140 Gustav LN, whoever represented it.

  1. ActiveListed 2026
    Current price: $824,990Original list: $849,990MLS 6711808
    1. Listed · June 9, 2026$849,990
    2. Price changed · July 15, 2026$834,990
    3. Price changed · September 5, 2026$824,990

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

Price & Listing History

Price Change with current price, original ask, and market time.

View Timeline
Current list
$824,990
Original list
$849,990
Price movement
$25K reduction
Listed / DOM
Jun 9, 2026 · 129 days

Virtual Tour

Virtual tour of 140 Gustav Ln
Map showing 140 Gustav LN
140 Gustav LN
Directions

Zoned Schools

Navarro ISD

1 High School1 Middle School1 Elementary School

Navarro

High SchoolGrades 9-12Zoned assignment

Navarro

Middle SchoolGrades 6-8Zoned assignment

Navarro

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
$4,570

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

20% ($165K)

Adjustable assumption - not a lending recommendation.

$824,990

Loan: $660K
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

$824,990

Price per sqft

$258/sqft

Vs. Neighborhood guide reference price

Not available

Days on market

129 days

Original to current

$25K reduction

$850K original

Active inventory context

Ask for current inventory

Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 16, 2026.

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Frequently Asked Questions

How much is 140 Gustav Ln?

140 Gustav Ln is listed at $824,990 with 5 bedrooms, 3 full bathrooms, 3,193 square feet, 1.06-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 140 Gustav Ln in?

140 Gustav Ln is zoned for Navarro ISD with assigned schools: Navarro (elementary), Navarro (middle), Navarro (high). School assignments should be verified directly with the district.

What are the property details for 140 Gustav Ln?

140 Gustav Ln is a Residential built in 2023 featuring 5 bedrooms, 3 full bathrooms, 3,193 square feet, 1.06-acre lot.

What are the property taxes for 140 Gustav Ln?

The most recent annual property tax for 140 Gustav Ln is $11,001. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.

How should a buyer estimate the monthly payment for 140 Gustav Ln?

This page does not assume a mortgage rate or publish a monthly payment for 140 Gustav Ln. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.

How does 140 Gustav Ln compare with other homes in San Marcos?

As of Oct 16, 2026, 140 Gustav Ln is offered at $824,990. 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.

When was 140 Gustav Ln built?

140 Gustav Ln was built in 2023, making it 3 years old with relatively recent construction.

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

Why Choose the #1 Austin Board Team for San Marcos

#1 ABoR Team 20241,000+ Career SalesCompass Luxury Collection Specialist

#1 Austin Board of Realtors Team. 1,000+ homes sold and $1B+ in career sales over 25+ years in Austin.

25+ years advising buyers and sellers in this community

Unlock MLSMLS GRID

Listing courtesy of Unlock MLS as distributed by MLS GRID. Information deemed reliable but not guaranteed. Neither the listing broker nor Compass RE Texas, LLC shall be responsible for any typographical errors, misinformation, or misprints.

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, 10:07:21 PM. 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, 10:07:21 PM

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