Is the construction of a special, secured room inside an existing building — built to protect a customer's inventory and equipment during manufacturing — exempt from Texas sales tax as either a manufacturing exemption or new construction?

Plain-English summary

A taxpayer wrote to the Comptroller asking about the sales tax treatment of constructing a special, secured room inside an existing building. The room was built for one particular customer's manufacturing operations: it held that customer's inventory, the machines used in various manufacturing processes, and a small office for a supervisor. Building the room to those specifications — restricting access and securing the space — was a specific condition of the underlying contract, needed to protect the integrity and security of the ongoing project. The letter noted that the manufacturing process itself could have taken place in an ordinary, unsecured environment, but security would have been severely compromised without the dedicated room.

The Comptroller's response was straightforward: there is no exemption that covers the construction of this kind of room. It does not qualify for the manufacturing exemption, and it does not qualify as new construction either. In other words, the cost of building the security room is treated as a taxable improvement to real property, not as an exempt manufacturing-related expense or exempt new construction.

What this means for you

Businesses building specialized or secured space within an existing building

Constructing a dedicated room — even one required by a customer contract and used to house manufacturing equipment and inventory — is not automatically exempt just because it supports a manufacturing process. The Comptroller looked at what the room actually was (a security-driven build-out within an existing structure) rather than why it was built, and found neither the manufacturing exemption nor the new construction exemption applied.

Contractors and taxpayers relying on customer contract requirements

The fact that a customer's contract required the security measures doesn't change the sales tax analysis. The construction was still just an improvement within an existing building, not new construction, and it wasn't itself part of manufacturing.

Common questions

Q: Does building a secured room to hold manufacturing equipment and inventory qualify for the manufacturing exemption?
A: No. The Comptroller found no exemption applied, including the manufacturing exemption, because the room itself is a real property improvement rather than equipment or materials directly used in manufacturing.

Q: Could this construction instead qualify as exempt "new construction"?
A: No. Because the room was built within an existing building, the Comptroller ruled it does not qualify as new construction.

Q: Does it matter that the security room was required by the customer's contract?
A: Not for purposes of this ruling. The letter notes the room was a specific contract condition, but that didn't change the outcome — no exemption applied regardless of the contractual reason for building it.

Q: Can I rely on this letter for my own project?
A: No. The letter states the opinion is based on the facts presented and current law, and different facts, though similar, may result in different answers. It also predates current law by decades, so you should confirm current rules with a Texas tax professional.

Citations and references

No specific statutes or administrative rules are cited in the text of this letter.

Source

• STAR search: https://star.comptroller.texas.gov/search?doc_type_code=L&tax_type_code=SST
• Opinion: https://star.comptroller.texas.gov/view/9601884L

Original ruling text

January 4, 1996

Dear ***:

Thank you for your letter dated December 27, 1995 concerning sales tax as it
applies to the construction of a special room within an existing building.

Facts: The room is for the manufacturing processes of one particular customer
and was constructed for security purposes and to limit access. The room
contains the inventory for the customer, machines for the various processes and
a small office for the supervisor. The room is essential in that the room was
a specific condition to the contract in order to maintain the integrity and
security of this ongoing project. While the actual manufacturing process could
take place in the average environment, the security would be severely
compromised.

Response: There are no exemptions that would include the construction of the
room as described above. It does not qualify for the manufacturing exemption
and it does not qualify as new construction.

This opinion is based on the facts presented and current law. Different facts
though similar, may result in different answers.

You may call or write me for additional information or if you have any
questions. The toll free number is 1-800-531-5441, and my extension is 50330.
The direct line is 512/475-0330. You may also write to Tax Policy Division,
Comptroller of Public Accounts.

Sincerely,

Bettie Peterson
Tax Policy Division