
Designed by renowned Austin architect Michael Hsu, this Mueller townhome delivers an effortless urban lifestyle where morning walks lead straight to the neighborhood farmers market, local coffee spots, and acres of green space. Built with a bright, light-filled layout, this 2-bedroom, 2.5-bathroom, with an office that can easily convert into a third bedroom, residence offers an intuitive floor plan that comfortably adapts to your daily routine while keeping you grounded in one of Central Austin’s most connected communities. Step inside off the inviting front porch into a main level shaped for easy daily movement. Just past the entryway, a dedicated dining area rests to your left, while custom built-in shelving traces the open staircase to your right. Moving deeper into the main floor, the kitchen features quartz countertops, a generous center island with a built-in breakfast bar, contemporary wood cabinetry, tile backsplash, and stainless appliances. Toward the rear of the main level, the primary living space opens up with natural light and direct access through a sliding glass door to a low-maintenance, xeriscaped private back yard. An attached two-car garage sits right off the back, offering secure parking and easy storage. Upstairs, the hallway opens into an office space. The upper level also houses the primary suite, complete with high ceilings and a private Juliet balcony. The primary bathroom includes a spa-style walk-in shower with a soaking tub positioned inside the glass enclosure, a dual sink vanity, and a walk-in closet. Set right in the core of Mueller, this location puts you minutes from the Lake Park trails, the Thinkery, and the Aldrich Street dining and entertainment corridor. You’re situated just a short drive from Downtown Austin, with swift access to major highways like I-35 and US-183, making commutes across the city or quick trips to Austin-Bergstrom International Airport completely seamless.
Property Type
Residential
Year Built
2012
Lot Size
0.04 acres
$/Sq Ft
$450
HOA
$350.5/mo
Garage
2 spaces
Listed by Christies Intl Real Estate Lone Star
Verified property facts
3921 Threadgill ST is listed at $799,900 with 2 bedrooms, 2 full, 1 half bathrooms, 1,776 square feet, 0.04-acre lot. This places it above the 78723 median of $555,000.
3921 Threadgill ST is zoned for Austin ISD with assigned schools: Maplewood (elementary), Kealing (middle), McCallum (high). School assignments should be verified directly with the district.
3921 Threadgill ST is in Mueller, Austin, Texas. See the full [Mueller neighborhood guide](/neighborhoods/mueller-austin) for market data, schools, and lifestyle details.
3921 Threadgill ST is a Residential built in 2012 featuring 2 bedrooms, 2 full, 1 half bathrooms, 1,776 square feet, 0.04-acre lot.
3921 Threadgill ST is presented by the Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024) with 1,000+ career transactions and $1B+ in career volume across Austin's luxury market.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Comparable homes that recently closed in this area
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
1 record on file
Every recorded sale and lease at 3921 Threadgill ST, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listed with current price, original ask, and market time.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-24.7% | — | $558,953 | — | — |
2024-6.3% | — | $742,373 | $320,000 | $417,215 |
2023+42.0% | — | $792,410 | $320,000 | $422,373 |
2022 | — | $558,225 | $190,000 | $602,410 |

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. Ratings from GreatSchools.org.
20% ($160K)
$799,900
Luxury property intelligence
A sourced read on Mueller pricing, timing, and property scale. No automated valuation claim.
List price
$799,900
Price per sqft
$450/sqft
Vs. Mueller median
-10.1%
$890K median
Days on market
3 days
Original to current
No verified reduction
$799.9K original
Active inventory context
24 listings
Price Position in Mueller
Listed 10% below the Mueller median
Source: MLS Grid / Unlock MLS and Keenan Group review as of Aug 16, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
3921 Threadgill ST is priced at $450 per square foot across 1,776 sqft. The Mueller median list price is $890,000.
The most recent annual property tax for 3921 Threadgill ST is $12,583. 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.
With 20% down ($159,980) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 3921 Threadgill ST is around $5,199 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $799,900, 3921 Threadgill ST is in the Mueller market where there are currently 82 active listings in 78723. The Keenan Group has completed 19 transactions in 78723 as part of 1,000+ career sales totaling $1B+ across Austin. For a detailed market analysis, see our [Mueller guide](/neighborhoods/mueller-austin).
3921 Threadgill ST includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
3921 Threadgill ST is part of a managed community with HOA dues of $351 monthly. HOA-managed communities in Austin's luxury market typically provide amenities such as common areas, security, and exterior maintenance. Verify current dues and rules with the HOA directly.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
Mueller is one of Austin's established neighborhoods, zoned for Austin ISD in the 78723 area. The Keenan Group has specialized in Mueller real estate for 25+ years with 1,000+ career transactions. Contact (512) 415-7653 for current market conditions and available homes.
Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)
6 events on record
Current Price
$799,900
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-24.7% | — | $558,953 | — | — |
2024-6.3% | — | $742,373 | $320,000 | $417,215 |
2023+42.0% | — | $792,410 | $320,000 | $422,373 |
2022 | — | $558,225 | $190,000 | $602,410 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
Best Match
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Neighborhood guide and local insights
Mueller is what happens when a city tears down its old airport and rebuilds the neighborhood from scratch with everything it learned. 700 acres of mixed-use design, 140+ acres of parks and green space, and one of the largest LEED-certified communities in Texas. The street grid is walkable, the houses face each other instead of garages, and the Lake Park splash pad is the unofficial summer gathering point. Housing runs from 1,200 sqft row homes around $550K to 4,000+ sqft single-family homes near $1.4M. Yard homes, garden homes, condos, and townhomes are mixed on the same block by design. Most builds went up between 2007 and 2022, so HVAC, roofs, and energy systems are modern. Expect $380-$450/sqft on resales depending on type and location within the neighborhood. The 78723 zip is what surprises buyers most. Mueller sits 10 minutes from downtown via Manor Road, 7 minutes from Dell Children's Medical Center, and 15 minutes from the airport. The Thursday Farmers' Market at Mueller Lake Park runs year-round. Aldrich Street has the H-E-B, restaurants, and the Alamo Drafthouse anchor. Branch Park hosts free outdoor movies in summer. Schools serve Austin ISD: Maplewood Elementary, Lamar Middle, and McCallum High - which has Austin's longest-running Fine Arts Academy. Families also pull from Magellan International School and Austin Achieve Public Schools nearby. What you get in Mueller that you can't replicate elsewhere in Austin: a master-planned neighborhood with a real urban density model, parks within a 5-minute walk of every door, and a mixed-income housing program that keeps the demographic diverse. What you give up: large lots. Most yards are intentionally small to keep density high and parks plentiful. Best for buyers who want walkability, sustainable design, and a real neighborhood feel without leaving the urban core.
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