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Under construction๐Ÿ“Review Complete๐Ÿ—๏ธ New Construction๐Ÿ’ต This project is privately funded, on private land for private use.

Mainsail Partners

601 W 2nd St, Suite 3100, Austin, TX 78701, Austin, TX, 78701
Construction50%

๐Ÿ“ŠProject Metrics

TDLR #TABS2026007394
$2.9M
Project Value
12,925
Square Feet
$226/sqft
Cost/SqFt
0 months
Duration
Registered:Dec 8, 2025
Start:Jan 30, 2026
Target:Feb 12, 2026
๐Ÿ“

Review Complete

Design review complete, construction may proceed

Mainsail Partners is a New Construction project located at 601 W 2nd St, Suite 3100, Austin, TX 78701 in Austin, Texas. The project has an estimated value of $2.9M covering 12,925 sq ft. Cousins Block 185 LLC is the property owner and IA Interior Architects is the design firm of record. The project was registered with TDLR on December 8, 2025.

๐Ÿ“‹Scope of Work

Interior Finish out of Commercial Office Space - first Generation.

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
December 8, 2025
Review Complete
December 8, 2025
Construction Start
January 30, 2026
Expected Completion
February 12, 2026

๐Ÿ“…Project Timeline

Filed

Dec 8, 2025

Review Complete

Dec 8, 2025

Inspection Complete

Closed

๐Ÿ”—Related Projects

๐Ÿ‘คSame Owner

$4.7M total
Sail Tower - Cousins Management Office
Austinยท$281K

๐Ÿ›๏ธSame Design Firm

$646.1M total
4 WESTLAKE LEVEL 4 RESTROOMS
Houstonยท$200K
4 WESTLAKE LEVEL 4 RESTROOMS
Houstonยท$250K
PZP L25S Core Restroom Renovation
Houstonยท$250K

๐Ÿ“„Related City Permits

Building permits found at or near this location

6012 MESSENGER STAKE

Interior Remodel of kitchen bathrooms and living areas half bath addition conversion of porch into sunroom

ActiveBuilding PermitAddition and RemodelJun 2026
$2K
View Details
2026-069501 BP
๐Ÿ”งNext Custom Homes
601 N LAMAR BLVD

TENANT IMPROVEMENT REMODEL OF AN EXISTING REI RETAIL SPACE. WORK INCLUDES: REPLACEMENT OF RETAIL FIXTURES FINISHES ELECTRICAL AND PLUMBING FIXTURES INCLUDING BUT NOT LIMITED TO RETAIL AREAS CASHIER RESTROOMS STORAGE AREAS AND STORAGE RACKING.

ActiveBuilding PermitRemodelJun 2026
View Details
2026-057928 BP
๐Ÿ”งTeel Construction, INC.
6016 MORNING DEW DR

t-pole Ref: 2026-053429-BP

FinalElectrical PermitHomebuilder LoopMay 2026
View Details
2026-064586 EP
๐Ÿ”งMC Electric Services
601 W BRAKER LN BLDG 1

Change of Use from Religious Assembly to Admin/Bus Office with minor interior remodel. 2026-012346 DA

ActiveBuilding PermitNewMay 2026
$1.8M
View Details
2026-066242 BP
๐Ÿ”งBraun and Butler Construction
601 N LAMAR BLVD UNIT FLR3

Interior Non-Structural Demolition on Floor 3

ActiveBuilding PermitInterior Demo Non-StructuralMay 2026
$1
View Details
2026-061780 BP
๐Ÿ”งSwinerton Builders Inc.

Quick Actions

View on TDLR
TDLR ID: TABS2026007394

Property Owner

๐Ÿ‘ค
Cousins Block 185 LLC
Contact: Jennifer Choi
4 projects ยท $4.7M
View company profile
303 Colorado St. Ste 2600, Austin, Texas 78701
(512) 279-2174

Design Firm

๐Ÿ›๏ธ
IA Interior Architects (Core Architectural Services)
480 projects ยท $646.1M
View company profile
728 Northwestern Avenue, Building A, Austin, Texas 78702
(737) 218-5231

Registered Accessibility Specialist

๐Ÿ“‹
JOSHUA T,RONSON
RAS #1596
161 COREOPSIS CV, KYLE, TX 78640
(512) 892-1383

Tenant

๐Ÿข
Ania Frankel
512-617-5047

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๐Ÿ™๏ธ
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