Under construction๐Ÿ“Review Complete๐Ÿ”ง Additions to Existing Building๐Ÿ’ต This project involves public funds, public land, or is a Federally funded roadway project.

LTHS Science Addiition

3324 Ranch Road 620 South, Austin, TX 78738, Austin, TX, 78738

LTHS Science Addiition is a additions to existing building project at 3324 Ranch Road 620 South, Austin, in Travis County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Currently under construction. The project has an estimated value of $16.0M across about 28,577 sq ft.

Construction50%

๐Ÿ“ŠProject Metrics

TDLR #TABS2025000404
$16.0M
Project Value
28,577
Square Feet
$560/sqft
Cost/SqFt
1y 1mo
Duration
Registered:Sep 6, 2024
Start:May 26, 2025
Target:Jul 1, 2026
๐Ÿ“

Review Complete

Design review complete, construction may proceed

LTHS Science Addiition is a Additions to Existing Building project located at 3324 Ranch Road 620 South, Austin, TX 78738 in Austin, Texas. The project has an estimated value of $16.0M covering 28,577 sq ft. Lake Travis Independent School District is the property owner and Haddon Cowan Architects is the design firm of record. The project was registered with TDLR on September 6, 2024.

โ“Frequently Asked Questions

What is LTHS Science Addiition?

LTHS Science Addiition is a additions to existing building project at 3324 Ranch Road 620 South in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: 2 story classroom building addition

Is LTHS Science Addiition open in Austin?

LTHS Science Addiition is currently under construction in Austin, TX. Its current TDLR status is "Review Complete".

Where is LTHS Science Addiition located?

LTHS Science Addiition is located at 3324 Ranch Road 620 South, Austin, TX, 78738, in Travis County.

Who is the owner or developer of LTHS Science Addiition?

Lake Travis Independent School District is the property owner/developer of record for LTHS Science Addiition, per its TDLR project registration.

Who is the architect or design firm for LTHS Science Addiition?

Haddon Cowan Architects is the design firm of record for LTHS Science Addiition, according to its TDLR filing.

How much does LTHS Science Addiition cost and how big is it?

LTHS Science Addiition has an estimated construction value of $16.0M and approximately 28,577 square feet (about $560/sqft), based on its TDLR filing.

๐Ÿ“‹Scope of Work

2 story classroom building addition

Note: This project is registered under the Texas Accessibility Standards (TAS) program. TDLR registration is required for commercial and public facility construction to ensure compliance with accessibility requirements under Texas Government Code Chapter 469.

๐Ÿ“…Compliance Timeline

Project Registered
September 6, 2024
Review Complete
September 6, 2024
Construction Start
May 26, 2025
Expected Completion
July 1, 2026

๐Ÿ“…Project Timeline

Filed

Sep 6, 2024

Review Complete

Sep 6, 2024

Inspection Complete

Closed

๐Ÿ“„Related City Permits

Building permits found at or near this location

3324 S FM 620 RD BLDG TNFM1

Permanent Service Meter for Whole Stadium Renovation in the ETJ

ActiveElectrical PermitNewJun 2026
View Details
2026-076565 EP
๐Ÿ”งHays Electrical Services, Inc
3324 1/2 S FM 620 RD

temp power for jobsite trailer for the duration of construction Permit and ESPA will need a unique address. 3324 1/2 s fm 620 is already being used by meter 6127109.

ExpiredElectrical PermitTemporary LoopNov 2025
View Details
2025-150855 EP
๐Ÿ”งHays Electrical Services, Inc
3324 NORTHLAND DR

Interior remodel to an existing convenience store

FinalBuilding PermitRemodelApr 2024
View Details
2022-073183 BP
๐Ÿ”งTitan Retail Group, LLC
3324 TAVISTOCK DR

Replacement of complete existing central heat and air system with or without duct work

FinalMechanical PermitChange OutMar 2024
View Details
2024-029055 MP
3324 S FM 620 RD

Need to disconnect meter and relevel/concrete service.

FinalElectrical PermitRepairSep 2023
View Details
2023-123639 EP
๐Ÿ”งAllied Electric Services, Inc.

Quick Actions

TDLR ID: TABS2025000404

Registered Accessibility Specialist

๐Ÿ“‹
KATHY ANN,RILEY
RAS #254
1408 NORTHRIDGE DR, AUSTIN, TX 78723
๐Ÿ“Š

Travis County Economy

3.5%
Unemployment
$529K
Median Listing
15,059
Bldg Permits/yr
1.4M
Population
6,332
Active Listings
$97K
Median Income
Source: FRED ยท Updated May 2026
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