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Keenan Group#1 Austin Board of Realtors Team 2024

$1,500,000

0Beds
0.17 acresLot

4320 James Casey St, Austin, TX 78745

Austin·MLS# 2880539·Built 1964·73 days on market

— bed, — bath on 0.17 acres in Austin. Austin, TX 78745. $1,500,000.

About This Home

Rare Opportunity Directly in the Heart of ST DAVID'S SOUTH MEDICAL DISTRICT in Austin's SPECIAL DISTRICT. This Commercial Zoned Property Ready for your final touch (.17 acres) or this property is perfect for larger development project as the adjacent parcel at 4322 James Casey (.42 acre) to the left is also available for separate purchase. This combined purchase would amount to a .59 acre combined lot with opportunity on over 25,700 square feet. The structure is completed on the exterior and just needs the final finish out on the interior. LOTS of Potential Development Opportunities in this Thriving Medical District. Positioned in the heart of the thriving St. David's South Austin Medical District, 4320 James Casey Street offers an exceptional location surrounded by one of South Austin's largest concentrations of healthcare providers and medical services. Just steps from St. David's South Austin Medical Center, the property is within walking distance of major medical office campuses including Medical Oaks Park, James Casey Garden Medical Center, and Post Oak Centre South, which are home to a wide variety of specialty medical practices, outpatient surgery centers, diagnostic imaging, cardiology, gastroenterology, orthopedics, neurology, women's health, fertility services, ophthalmology, pain management, laboratory services, rehabilitation providers, pharmacies, and other healthcare-related businesses. This highly established medical corridor continues to experience strong growth, making 4320 James Casey Street an outstanding opportunity for medical, professional office, or healthcare-related users seeking a premier location in one of Austin's most active healthcare hubs.

Property Type
Commercial Sale
Year Built
1964
Lot Size
0.17 acres

Listing information last updated August 20, 2026.

Listed by Keller Williams Realty

MLS# 2880539 • Active

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

Highlights

Rare Opportunity Directly in the Heart of ST DAVID'S SOUTH MEDICAL DISTRICT in Austin's SPECIAL DISTRICT
This combined purchase would amount to a .59 acre combined lot with opportunity on over 25,700 square feet
The structure is completed on the exterior and just needs the final finish out on the interior
LOTS of Potential Development Opportunities in this Thriving Medical District
Positioned in the heart of the thriving St

Facts & Features

Interior

Flooring

  • Concrete
Exterior & Lot

Construction

  • Cement Siding
  • Stone Veneer

Foundation

  • Slab
Lot Size
0.17 Acres
Stories
1

Parking

  • Asphalt
  • Driveway
Financial
Original List Price
$1,500,000
Utilities
  • Electricity Available
  • Natural Gas Available
  • Phone Available
  • Sewer Connected
  • Water Available
Water Source
Public
Sewer
Public Sewer

Transaction History

2 records on file

Every recorded listing, sale, and lease at 4320 James Casey ST, whoever represented it.

  1. ActiveListed 2026
    Current price: $1,500,000Original list: $1,500,000MLS 2880539
    1. Listed · August 6, 2026$1,500,000
  2. ExpiredListed 2025
    Current price: $1,500,000Original list: $1,999,990MLS 2189052
    1. Price changed · February 5, 2026$1,850,000
    2. Price changed · April 15, 2026$1,500,000

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

Listing timeline with current price, original ask, and market time.

View Timeline
Current list
$1,500,000
Original list
$1,500,000
Price movement
No verified reduction
Listed / DOM
Aug 6, 2026 · 73 days

Tax Record

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

Assessed Value
$491,600
Assessment Year
2025
Year Built
1964
Parcel ID
000000312662
$569K
$326K
$486,367
2021
$569,030
+17.0% from prev
2022
$549,810
-3.4% from prev
2023
$325,683
-40.8% from prev
2024
$491,600
+50.9% from prev
2025
YearTaxesTotal AssessmentLandAdditions
2025+50.9%
—$491,600$222,156$269,444
2024-40.8%
—$325,683$222,156$437,919
2023-3.4%
—$549,810$222,156$103,527
2022+17.0%
—$569,030$222,156$327,654
2021
—$486,367$222,156$346,874
5-Year Change1.1%

Virtual Tour

Virtual tour of 4320 James Casey St
Map showing 4320 James Casey ST
4320 James Casey ST
Directions

District Schools Nearby

Austin ISD →

6 High Schools

District context schools are shown because address-level assigned school fields are not available for this property. Contact the school district directly to verify current boundaries and enrollment eligibility.

Principal & interest
$8,309

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

20% ($300K)

Adjustable assumption - not a lending recommendation.

$1,500,000

Loan: $1.2M
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

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List price

$1,500,000

Price per sqft

Not available

Vs. Neighborhood guide reference price

Not available

Days on market

73 days

Original to current

No verified reduction

$1.5M original

Active inventory context

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

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Frequently Asked Questions

How much is 4320 James Casey St?

4320 James Casey St is listed at $1,500,000 with 0 bedrooms, 0.17-acre lot. This places it above the ZIP 78745 single-family closed-sale median price of $470,000 (ZIP 78745 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 18, 2026).

What are the property details for 4320 James Casey St?

4320 James Casey St is a Commercial Sale built in 1964 featuring 0 bedrooms, 0.17-acre lot.

What are the property taxes for 4320 James Casey St?

The most recent annual property tax for 4320 James Casey St is $9,598. 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 4320 James Casey St?

This page does not assume a mortgage rate or publish a monthly payment for 4320 James Casey St. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.

How does 4320 James Casey St compare with other homes in Austin?

As of Oct 15, 2026, 4320 James Casey St is offered at $1,500,000. The current MLS snapshot shows 207 active listings in 78745. Keenan Group has completed 28 verified transactions in 78745 within its 1,000+ completed transactions and $1B+ career volume across Austin.

When was 4320 James Casey St built?

4320 James Casey St was built in 1964 (62 years ago). Buyers should budget for potential updates to major systems.

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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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.

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Based on information submitted to MLS GRID as of 10/15/2026, 5:07:15 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, 5:07:15 PM

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