Funding type
This project is privately funded, on private land for private use.
DA12-2
1550 West Mockingbird Lane, Dallas, TX, 75235
DA12-2 is a renovation/alteration project at 1550 West Mockingbird Lane, Dallas, in Dallas County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Under construction, estimated completion Mar 2028. The project has an estimated value of $293.7M across about 158,293 sq ft.
- Estimated project value
- $293.7M
About this figure
Estimated construction cost supplied in the TDLR filing. This is not a current property appraisal or a final construction invoice.
- Reported floor area
- 158,293 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $1.86K/sqft
About this figure
Calculated from this filing’s estimated cost divided by its reported square footage. Available only when both figures are supplied; it is not a market benchmark.
- Scheduled duration
- 6 months
About this figure
The interval between the filed start and completion dates. These dates describe the proposed schedule and do not measure actual construction progress.
The project record
Project timeline
Explore filed milestones and scheduled dates. Open a milestone for its source.
4 timeline dates shown.
Project registered · TDLR filing
Registration of the project with the Texas Department of Licensing and Regulation.
Source: TDLR filing
View source recordReview complete · TDLR filing
The filing records completion of the accessibility review.
Same day as the preceding date shown.
Source: TDLR filing
View source recordScheduled construction start · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
677 days after the preceding date shown.
Source: TDLR filing
View source recordScheduled completion · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
183 days after the preceding date shown.
Source: TDLR filing
View source record
📰About DA12-2
DA12-2 is a $293,692,007 interior renovation project located at 1550 West Mockingbird Lane in Dallas, Texas. The work involves a comprehensive fit-out of the first and second floors within a four-story, 372,517 square foot data center. The registered scope includes installing interior partitions, doors, ceilings, lighting fixtures, and mechanical and electrical equipment across 158,293 square feet of space.
The project is owned by DA12 and designed by Margulies Hoelzli Architecture. TDLR completed plan review in November 2025 and construction is scheduled to finish in March 2028, with work starting September 2027. The status is Review Complete, and the registered accessibility specialist is Bonita L Anderson. This privately funded project sits on private land for private use in Dallas County.
Project Scale and Context
The estimated cost of $293,692,007 places this project in the top quarter of renovation and alteration filings in Dallas County. The median estimated cost for similar projects in the county is $248,000, while the median size is 4,226 square feet. This project’s $1,855 per square foot cost is significantly above the county median of $72. The scheduled build window of 183 days is longer than the county median of 92 days for comparable work.
DA12 has one other TDLR-registered project in Dallas with a review complete status, totaling $542,809,034. The design firm, Margulies Hoelzli Architecture, has three other registered projects in the area, including DA11 and Informart Equinix Data Center. Third-party sources like Data Center Dynamics and Data Center Map identify this site as part of the Equinix DA12 campus, noting it as a four-story facility. Cleanview describes it as a planned data center expected to become operational in 2027.
The surrounding area includes businesses such as DFW Gun Range and Academy, IHOP, and Enterprise Staffing Agency Inc. Census estimates for ZIP code 75235 indicate a population of about 19,067, with a median household income of $60,817 and predominantly renter-occupied housing units.
Review Complete
Design review complete, construction may proceed
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DA12-2 is a Renovation/Alteration project located at 1550 West Mockingbird Lane, Dallas, TX 75235 in Dallas, Texas. The project has an estimated value of $293.7M covering 158,293 sq ft. DA12 is the property owner and Margulies Hoelzli Architecture is the design firm of record. The project was registered with TDLR on November 21, 2025.
Frequently Asked Questions
What is the estimated cost of the DA12-2 renovation?
The estimated cost for the interior fit-out project is $293,692,007. This figure covers the work on the first and second floors of the data center, including partitions, doors, ceilings, lighting, and mechanical and electrical equipment.
Who is the design firm for this project?
Margulies Hoelzli Architecture is the design firm of record for DA12-2. They are listed in the TDLR filing as the entity responsible for the design of this interior renovation and alteration work.
When is construction scheduled to start and finish?
Construction is scheduled to start in September 2027 and is scheduled to finish in March 2028. TDLR completed plan review in November 2025, clearing the way for the upcoming construction phase.
Is the DA12-2 project located in a flood zone?
According to the FEMA National Flood Hazard Layer, the location at 1550 West Mockingbird Lane is classified as Zone X, indicating minimal flood risk.
What is the total square footage of the work?
The scope of work covers 158,293 square feet of interior space. This includes the first and second floors of the larger four-story, 372,517 square foot data center structure.
What is DA12-2?
DA12-2 is a renovation/alteration project at 1550 West Mockingbird Lane in Dallas, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Interior fit-out on the first and second floors within a four-story, 372,517 sf data center, including interior partitions, doors, ceilings, lighting fixtures, mechanical and electrical equipment.
Is DA12-2 open in Dallas?
DA12-2 is still under construction in Dallas, TX, with an estimated completion of Mar 2028 according to its TDLR registration.
Where is DA12-2 located?
DA12-2 is located at 1550 West Mockingbird Lane, Dallas, TX, 75235, in Dallas County.
Who is the owner or developer of DA12-2?
DA12 is the property owner/developer of record for DA12-2, per its TDLR project registration.
Who is the architect or design firm for DA12-2?
Margulies Hoelzli Architecture is the design firm of record for DA12-2, according to its TDLR filing.
How much does DA12-2 cost and how big is it?
DA12-2 has an estimated construction value of $293.7M and approximately 158,293 square feet (about $1.86K/sqft), based on its TDLR filing.
Scope of Work
Interior fit-out on the first and second floors within a four-story, 372,517 sf data center, including interior partitions, doors, ceilings, lighting fixtures, mechanical and electrical equipment.
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.
Location & views
1550 West Mockingbird Lane, Dallas, TX, 75235
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$836.5M totalSame Design Firm
$945.2M totalWatch all construction in 75235 (Dallas)
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