Funding type
This project is privately funded, on private land for private use.
rail flex
11903 rail rd, San Antonio, TX, 78233
rail flex is a new construction project at 11903 rail rd, San Antonio, in Bexar County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Scheduled to finish Aug 2026 per its TDLR filing; no final inspection recorded yet. The project has an estimated value of $3.0M across about 12,000 sq ft.
- Estimated project value
- $3.0M
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
- 12,000 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $250/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
- 1y 4mo
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.
Scheduled construction start · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
Source: TDLR filing
View source recordProject registered · TDLR filing
Registration of the project with the Texas Department of Licensing and Regulation.
371 days after the preceding date shown.
Source: TDLR filing
View source recordReview complete · TDLR filing
The filing records completion of the accessibility review.
7 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.
111 days after the preceding date shown.
Source: TDLR filing
View source record
📰About rail flex
Rail Flex Complex is a new construction project located at 11903 Rail Rd in San Antonio, Texas. The filing lists the scope as a new complex consisting of five flex buildings, totaling 12,000 square feet. The estimated cost for this development is $3,000,000, which translates to a cost of $250 per square foot.
The owner of record for this private development is Mam Sa LLC. The project is privately funded and situated on private land for private use. Doug W Martine is the registered accessibility specialist associated with the filing. The work was registered with TDLR in April 2026, with plan review completed in the same month.
Construction was scheduled to begin in April 2025, with a completion date listed on the filing for August 2026. Although that scheduled date has passed, TDLR has not yet recorded a final inspection. Consequently, the current state of the site is not confirmed in the public record. The project status remains Review Complete, but the final inspection status is the definitive indicator of completion.
In Bexar County, new construction projects vary significantly in scale and cost. This project's estimated cost is above the county median for its type, placing it in the top quarter of filings. The scheduled build window of 489 days is longer than the county median of 208 days. The cost per square foot of $250 is also above the county median of $115, reflecting the specific scope of the five-building complex.
Location Context
The project is situated in San Antonio, within Bexar County. The surrounding area, ZIP code 78233, has a population of approximately 47,172 residents according to U.S. Census estimates. The median household income in this area is $68,157, with a median owner-occupied home value of $185,800. The housing stock in this ZIP code is mostly owner-occupied, with about 18,836 housing units recorded.
Bexar County's labor market shows an unemployment rate of 4.7 percent which is higher than a year earlier. This economic context frames the private investment in new flex buildings in the region. The specific details of the five buildings, their internal configuration, and the exact nature of the flex use are not detailed beyond the scope description in the public filing.
Review Complete
Design review complete, construction may proceed
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rail flex is a New Construction project located at 11903 rail rd, San Antonio, TX 78233 in San Antonio, Texas. The project has an estimated value of $3.0M covering 12,000 sq ft. mam sa llc is the property owner. The project was registered with TDLR on April 9, 2026.
Frequently Asked Questions
Is Rail Flex Complex open for business?
The TDLR record shows the project status as Review Complete, but it has not yet recorded a final inspection. Therefore, the current operational status of the business is not confirmed in the public record.
Who is the owner of the Rail Flex Complex?
The owner of record listed in the filing is Mam Sa LLC. The project is privately funded and located on private land in San Antonio.
What is the total size of the new construction?
The filing specifies a total of 12,000 square feet for the new complex, which consists of five flex buildings.
When was the construction scheduled to finish?
The completion date on the filing is August 2026. However, TDLR has not yet recorded a final inspection, so the actual completion status is not confirmed.
What is the estimated cost per square foot?
The estimated cost is $3,000,000 for 12,000 square feet, resulting in a computed cost of $250 per square foot.
What is rail flex?
rail flex is a new construction project at 11903 rail rd in San Antonio, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: new complex flex buildings total of 5
Is rail flex open in San Antonio?
rail flex was scheduled to finish construction in Aug 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 rail flex located?
rail flex is located at 11903 rail rd, San Antonio, TX, 78233, in Bexar County.
Who is the owner or developer of rail flex?
mam sa llc is the property owner/developer of record for rail flex, per its TDLR project registration.
How much does rail flex cost and how big is it?
rail flex has an estimated construction value of $3.0M and approximately 12,000 square feet (about $250/sqft), based on its TDLR filing.
Scope of Work
new complex flex buildings total of 5
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
11903 rail rd, San Antonio, TX, 78233
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