PSC X1AA: Lease/Rental of Office Buildings
X1AA is the product and service code (PSC) federal agencies use for lease/rental of office buildings, in the lease/rental of buildings group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 68
- Spending, FY2026
- $42 million
- Share to small businesses
- 27%
Open contracts with PSC X1AA, due soonest
- USDA seeking 2,300-2,722 ABOA SF, Office/Warehouse/Scientific Support Space, in Cocoa, FL
✦ USDA (APHIS) wants to lease 2,300 to 2,722 square feet of ground-floor office, light industrial and scientific support space in Cocoa, Florida.
Due in 2 daysOct 12, 2026
- USDA seeking 1,000-1,214 ABOA SF, Office, in Indio, CA
✦ The USDA (APHIS, through its Minneapolis real estate office) is looking for 1,000 to 1,214 square feet of office space to lease in Indio, CA. This is a request for expressions of…
Due in 2 daysOct 12, 2026
- General Services Administration (GSA) Seeks to lease the following space: Solicitation No. 5TN0238
✦ GSA is looking for a building owner to lease about 9,522 square feet of office space in Johnson City, TN, inside a set boundary.
Due in 3 daysOct 12, 2026
- Notice of Intent to Lease Space Using Other Than Full and Open Competition: TSA Hyannis, MA Project 5MA0205
Due in 3 daysOct 12, 2026
- U.S. Government Seeks to Lease Office and Other Related Space in Winchester, VA
✦ The General Services Administration (GSA) wants to lease about 7,372 to 7,740 square feet of contiguous office space in a building in Winchester, Virginia, plus 21 secured…
Due in 3 daysOct 13, 2026
- United States Government Seeks To Lease Office Space In Taunton, MA
✦ The General Services Administration (GSA) is looking for 6,575 square feet of office space to lease in Taunton, Massachusetts, with 65 surface parking spaces.
Due in 4 daysOct 13, 2026
Where X1AA sits in the PSC Manual
- Category: Service
- Group X: Lease/Rent Facilities
- Group X1: Lease/Rental of Buildings
- Code X1AA: Lease/Rental of Office Buildings
NAICS codes used with PSC X1AA
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with X1AA most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) | $101.2 million |
| 531190 | Lessors of Other Real Estate Property | $60.5 million |
| 321992 | Prefabricated Wood Building Manufacturing | $10.1 million |
| 488119 | Other Airport Operations | $1.8 million |
| 531110 | Lessors of Residential Buildings and Dwellings | $1.7 million |
| 532120 | Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing | $802,528 |
Who buys under PSC X1AA
Agencies with the most contract dollars under X1AA over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Smithsonian Institution | $55.6 million |
| United States Mint | $53.9 million |
| Department of the Army | $20 million |
| Department of the Air Force | $15.2 million |
| Department of the Navy | $10.6 million |
| Millennium Challenge Corporation | $9.8 million |
| Corporation for National and Community Service | $3.3 million |
| Forest Service | $2.2 million |
On open notices right now, the most X1AA work comes from General Services Administration, Department of Agriculture and Dept of Defense.
Federal spending under PSC X1AA by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $58.2 million |
| FY2025 | $79.3 million |
| FY2026 | $42 million |
| FY2027 (so far) | $4,554 |
Who wins PSC X1AA contracts
| Company | Obligated, last 3 years |
|---|---|
| N.S.P. Ventures Corp. | $53.7 million |
| Smithsonian Institution | $41.7 million |
| Integrated Modular Solutions, LLC | $10.9 million |
| Franklin Court Inc | $9.8 million |
| Ma-Chis International Services, Inc. | $7.9 million |
| Trizec Holdings Inc | $6.7 million |
| Koman Sustainable Solutions, LLC | $6.4 million |
| TC Pennsy Drive LLC | $6.3 million |
| Reasor Building Group LLC | $3.4 million |
| Specialized Testing and Construction, Inc. | $3.3 million |
Related PSC codes
- X111 Lease/Rental of Office Buildings
- X112 Lease – Rent of Conf Space & Fac
- X119 Lease – Rent of Other Admin – SVC BLDGS
- X121 Lease – Rent of Air Traffic Towers
- X122 Lease – Rent of Air Traffic TNG Fac
- X123 Lease – Rent of Radar & Nav Facility
- X124 Lease/Rental of Airport Runways
- X125 Lease/Rental of Airport Terminals
- X126 Lease – Rent of Missile Systems Fac
- X127 Lease – Rent of Elct & Comm Sys Fac
Frequently asked questions
What is PSC X1AA?
X1AA is the service code in the federal Product and Service Code (PSC) Manual for lease/rental of office buildings, under X (Lease/Rent Facilities) and X1 (Lease/Rental of Buildings). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC X1AA?
Most federal contract dollars under PSC X1AA go with NAICS 531120 (Lessors of Nonresidential Buildings (except Miniwarehouses)), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC X1AA?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 68 open notices use PSC X1AA right now. FedReady can match new ones to your business and email you, free.