Construction of Office Buildings Government Contracts

PSC Y1AA Service code

Code facts

Spend category
Facilities & Construction Construction Related Services
Contract obligations
$1,197,152,180 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
7 76 notices posted in the last 90 days
Contract awards
305 In the last 12 months
Obligated
$1,346,928,498 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of State $722,537,073
2 General Services Administration $159,758,514
3 Department of the Interior $108,331,997
4 Department of the Navy Department of Defense $65,339,873
5 National Aeronautics and Space Administration $63,658,941
6 Department of Homeland Security $53,893,698
7 Department of Justice $47,417,078
8 Department of Health and Human Services $37,385,496
9 Department of the Army Department of Defense $21,815,565
10 Department of Veterans Affairs $18,305,154

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Caddell Construction CO. (De), LLC $533,599,503
2 Clark Construction Group LLC $77,290,565
3 Thrash Commercial Contractors, Inc. $63,518,941
4 Dawn / Higley JV II, LLC $42,721,928
5 Chenega Enterprise Systems & Solutions, LLC $37,385,496
6 Nve, Inc. $35,652,286
7 CCI Utility And Construction Services, LLC $31,743,430
8 Brasfield & Gorrie LLC $26,045,815
9 Ids International Government Services LLC $22,135,801
10 Asturian-Consigli JV, LLC $22,013,447

See the full FY2025 ranking of PSC Y1AA contractors, by parent company.

Open contract opportunities

Notice Posted Due
General Contractor for the Seismic Retrofit Project at the Clemente Ruiz Nazario U.S. Courthouse, San Juan, Puerto Rico Solicitation
VA Canandaigua Phase III Presolicitation Notice Pre-Solicitation · ENDIST Buffalo (USACE)
ICD-705 Controlled Spaces Modernization and Sustainment Program - (Progressive Design-build (PDB) Other Transaction Agreement (OTA) Pre-Solicitation · ENDIST Far East (USACE)
Presolicitation Notice Court Security Project Construction Colmer FBCT Hattiesburg, MS Pre-Solicitation
Department of Veteran Affairs - Personnel Security Adjudication Center Solicitation · ENDIST Little Rock (USACE)
General Construction Services for Elevator Modernization at the Thurgood Marshall U.S. Courthouse, New York, NY Solicitation
SOLICITATION NOTICE- Massena NY Virtual Law Enforcement Training Facility- Construction Solicitation

Recent contract awards

Award Awarded Obligated
Maintenance bldg repairs at litchfield wetland mgmt district 140FF027F0008 · Huot Construction And Services, Inc. · Departmental Offices $308,540
Design-build services for existing embassy compound utility optimization improvements freetown, sierra leone 19AQMM26F1463 · International Construction Services, LLC · Office of Acquisition Management $9,539,014
Funding is required to provide a site security coordinator to assist the RSO and facilities manager ensuring the… 19AQMM26F1617 · Ids International Government Services LLC · Office of Acquisition Management $173,579
Award is to fund a new construction security task order providing 1 TL, 2 csts, and 6 cags to support the lease-fit out… 19AQMM26F1458 · Ids International Government Services LLC · Office of Acquisition Management $1,654,421
Chiller plant replacement TN0006ZZ joel solomon federal courthouse 900 georgia avenue chattanooga TN 37402 47PE5527F0007 · Heard Construction, Inc. · Public Buildings Service $590,926
Gainesville GA smith FB HVAC replacement phase 3 47PE5527F0014 · Hammer LGC Inc. · Public Buildings Service $2,826,664
Funding is required to provide three cleared american guards (CAG) to provide control of specialized equipment… 19AQMM26F1659 · Ids International Government Services LLC · Office of Acquisition Management $68,032
MT-charles M russell NWR roof HQ shop 140FF027F0007 · Burton Construction, Inc. · Departmental Offices $53,608
This award is a stipend in support of the porthill lpoe DB capital construction project. 47PB5327P0002 · Absher Construction Co · Public Buildings Service $159,000
This award is for the payment of a stipend in support of the porthill lpoe DB capital construction project. 47PB5327P0001 · Hensel Phelps Construction Co · Public Buildings Service $159,000

Latest 10 of 305 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $4,089,337
FY2026 $1,348,887,761
FY2025 $1,197,152,180
FY2024 $2,408,299,275
FY2023 $2,034,518,337
Rank NAICS code Obligated, FY2026–FY2027 Share
1 236220 Commercial and Institutional Building Construction $1,211,036,559
2 561612 Security Guards and Patrol Services $65,418,777
3 238220 Plumbing, Heating, and Air-Conditioning Contractors $37,822,823
4 541330 Engineering Services $17,743,939
5 238150 Glass and Glazing Contractors $5,524,151
6 561210 Facilities Support Services $4,837,276
7 541611 Administrative Management and General Management Consulting Services $3,235,077
8 238160 Roofing Contractors $2,602,335
9 236210 Industrial Building Construction $2,100,402
10 221122 Electric Power Distribution $2,003,460

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Alabama $596,149,776
2 District of Columbia $129,319,789
3 Virginia $57,570,465
4 Ohio $56,929,183
5 Georgia $56,346,070
6 Florida $37,948,051
7 New York $28,397,542
8 Maryland $26,782,539
9 California $23,073,426
10 Pennsylvania $6,533,035
11 Oregon $5,861,240
12 Texas $5,684,935
13 Tennessee $5,668,261
14 Minnesota $5,598,183
15 Utah $5,551,552
16 South Carolina $4,961,050
17 New Mexico $4,558,867
18 Washington $4,267,330
19 Mississippi $4,105,043
20 North Carolina $3,683,038
21 Arizona $3,227,779
22 West Virginia $2,967,953
23 Kentucky $2,830,728
24 Idaho $2,749,783
25 Massachusetts $2,733,349
26 Hawaii $2,729,252
27 Colorado $2,397,387
28 New Hampshire $2,181,113
29 Missouri $2,172,626
30 Nevada $1,274,991
31 New Jersey $1,154,988
32 Iowa $1,095,658
33 Illinois $1,009,532
34 Guam $968,987
35 Montana $733,211
36 North Dakota $652,985
37 Alaska $387,691
38 Puerto Rico $384,282
39 Louisiana $259,913
40 Arkansas $217,329
41 U.S. Virgin Islands $112,572
42 South Dakota $111,634
43 Vermont $62,991
44 Oklahoma $25,340
Show all 44

Shares are of everything obligated under PSC Y1AA in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC Y1AA?

PSC Y1AA is Construction of Office Buildings, a service code in PSC Y, Construction of Structures/Facilities.

How many government contracts for construction of office buildings are there?

7 contract opportunities under PSC Y1AA are open now, and 76 notices were posted in the last 90 days. Federal agencies awarded 305 contracts under PSC Y1AA in the last 12 months, obligating $1,346,928,498.

How much do federal agencies spend under PSC Y1AA?

Federal contracts under PSC Y1AA obligated $1,197,152,180 in fiscal year 2025 and $6,992,946,890 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC Y1AA?

The contractors with the most obligated under PSC Y1AA in fiscal years 2026 and 2027 are Caddell Construction CO. (De), LLC ($533,599,503); Clark Construction Group LLC ($77,290,565); and Thrash Commercial Contractors, Inc. ($63,518,941).

Which agencies buy the most under PSC Y1AA?

The agencies that obligated the most under PSC Y1AA in fiscal years 2026 and 2027 are Department of State ($722,537,073), General Services Administration ($159,758,514) and Department of the Interior ($108,331,997).

Which NAICS codes are used with PSC Y1AA?

The NAICS codes with the most obligated under PSC Y1AA in fiscal years 2026 and 2027 are 236220 Commercial and Institutional Building Construction; 561612 Security Guards and Patrol Services; and 238220 Plumbing, Heating, and Air-Conditioning Contractors.

Where is the work under PSC Y1AA performed?

By place of performance, the states with the most contract obligations under PSC Y1AA over the last 12 months are Alabama ($596,149,776), the District of Columbia ($129,319,789) and Virginia ($57,570,465).

What is the latest open contract opportunity under PSC Y1AA?

The latest open contract opportunity under PSC Y1AA is General Contractor for the Seismic Retrofit Project at the Clemente Ruiz Nazario U.S. Courthouse, San Juan, Puerto Rico, solicitation, posted November 3, 2026.

On GovTribe

See everything under PSC Y1AA

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