Funding type
This project is privately funded, on private land for private use.
Isengard in Austin, TX
1312 Dalton Lane, Austin, TX, 78742
Isengard is a renovation/alteration project at 1312 Dalton Lane, Austin, in Travis County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Scheduled to finish Apr 2026 per its TDLR filing; no final inspection recorded yet. The project has an estimated value of $3.2M across about 84,601 sq ft.
- Estimated project value
- $3.2M
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
- 84,601 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $37/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
- 11 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.
6 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.
333 days after the preceding date shown.
Source: TDLR filing
View source record
📰About Isengard
Isengard, filed as Building 05, is an 84,601 square foot interior renovation project located at 1312 Dalton Lane in the Del Valle neighborhood of Austin. The work involves the interior renovation of an existing building, with an estimated cost of $3,156,569. This translates to a computed cost of $37 per square foot, which is below the Travis County median of $103 per square foot for similar renovation and alteration filings.
Project Scope and Design
Stream Realty Partners serves as the owner and developer of record for this privately funded project on private land. The design firm of record is Perkoins&Will. Mark S Robinson is the registered accessibility specialist associated with the filing. The project was registered with TDLR in April 2025, and plan review was completed in the same month.
Construction was scheduled to begin in May 2025, with a completion date on the filing set for April 2026. The scheduled build window of 333 days is longer than the Travis County median of 98 days for renovation and alteration projects. Despite the passage of the scheduled completion date, TDLR has not yet recorded a final inspection, so the current state of the site is not confirmed in the public record.
City of Austin permit records show at least 25 permits on file at this street address. The 25 most recent permits were issued between July 2025 and April 2026. These include 9 electrical permits, 7 building permits, 5 mechanical permits, and 4 plumbing permits. Eleven of these permits have a final status. Recent permit descriptions reference the remodel of an existing light manufacturing building with new dock doors and the finishing of office areas.
Local Context
The site is situated in ZIP code 78742, which the U.S. Census Bureau estimates has a population of about 638. The median household income for this area is $74,453, with 269 housing units that are mostly owner-occupied. Nearby businesses include P. Terry's Burger Stand, Dreamers, Le Rouge Boutique, Saronic Technologies, Inc., re:3D, Inc., and TRP Construction Group - AUSTIN. Stream Realty Partners has five other TDLR-registered projects totaling $995,000, located in Addison and Houston, all of which have completed review.
Review Complete
Design review complete, construction may proceed
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Isengard is a Renovation/Alteration project located at 1312 Dalton Lane, Austin, TX 78742 in Austin, Texas. The project has an estimated value of $3.2M covering 84,601 sq ft. Stream Realty Partners is the property owner and Perkoins&Will is the design firm of record. The project was registered with TDLR on April 29, 2025.
Frequently Asked Questions
Is the Isengard project open for business?
The TDLR record indicates construction was scheduled to finish in April 2026, but TDLR has not yet recorded a final inspection. Therefore, the current operational status is not confirmed in the public record.
Who is the owner of Building 05?
Stream Realty Partners is listed as the owner and developer of record for the project at 1312 Dalton Lane in Austin.
What is the estimated cost of the renovation?
The estimated cost for the interior renovation of the 84,601 square foot building is $3,156,569.
When did construction start?
According to the TDLR filing, construction was scheduled to start in May 2025.
What is Isengard?
Isengard is a renovation/alteration project at 1312 Dalton Lane in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Interior renovation of existing building
Is Isengard open in Austin?
Isengard was scheduled to finish construction in Apr 2026 according to its TDLR registration, but TDLR has not recorded a final accessibility inspection, so its opening status is not confirmed in the public record.
Where is Isengard located?
Isengard is located at 1312 Dalton Lane, Austin, TX, 78742, in Travis County.
Who is the owner or developer of Isengard?
Stream Realty Partners is the property owner/developer of record for Isengard, per its TDLR project registration.
Who is the architect or design firm for Isengard?
Perkoins&Will is the design firm of record for Isengard, according to its TDLR filing.
How much does Isengard cost and how big is it?
Isengard has an estimated construction value of $3.2M and approximately 84,601 square feet (about $37/sqft), based on its TDLR filing.
Scope of Work
Interior renovation of existing building
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
1312 Dalton Lane, Austin, TX, 78742
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