Government Landscape Architectural Services Contracts
NAICS 541320 · Landscape Architectural Services
Government landscape architectural services contracts totaled $586M across 283 awards from FY2024 to FY2026. Obligations in FY2026 were up 250.3% vs FY2025, and the Department of Defense was the largest buyer, accounting for $280M (48% of the total) in obligations.
Key figures
In FY2026, contract obligations were $417,000,862 across 123 awards with activity that year, a change of +250.3% from $119,039,768 in FY2025. From FY2024 to FY2026, obligations totaled $585,834,785 across 283 awards.
- Obligated in FY2026
- $417M
- Awards in FY2026
- 123
- Change vs FY2025
- +250.3%
- Total, FY2024 to FY2026
- $586M
Note: FY2026 ended on Sep 30, 2026. The Department of Defense publishes contract data with a 90-day delay, so FY2026 totals may still rise as late reports arrive.
Landscape Architectural Services contract spending by year
Federal landscape architectural services contracts per fiscal year (October to September), under NAICS 541320. The table below lists the same numbers.
| Fiscal year | Obligated | Awards | Change |
|---|---|---|---|
| FY2026 | $417,000,862 | 123 | +250.3% |
| FY2025 | $119,039,768 | 138 | +139.1% |
| FY2024 | $49,794,156 | 137 | n/a |
About government landscape architectural services contracts
Federal spending on landscape architectural services contracts rose 737% from FY2024 ($49.8M) to FY2026 ($417M). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
Spending is spread widely: the top 3 contractors account for 38% of the total. No single company dominates, which leaves room for new and small contractors.
The Department of Defense spends the most on landscape architectural services contracts (48%), followed by the General Services Administration. The states with the most of this work are Virginia, Florida and Maryland.
NAICS 541320 (Landscape Architectural Services) is part of the Professional, Scientific, and Technical Services sector.
Top landscape architectural services government contractors
Companies ranked by contract dollars under NAICS 541320 (Landscape Architectural Services).
| # | Contractor | Obligated | Share |
|---|---|---|---|
| 1 | Leidos, Inc. | $82,000,905 | 14.0% |
| 2 | General Dynamics Information Technology, Inc. | $71,877,657 | 12.3% |
| 3 | Booz Allen Hamilton Inc | $65,898,967 | 11.2% |
| 4 | CACI, Inc. - Federal | $57,606,177 | 9.8% |
| 5 | HDR Engineering, Inc. | $46,536,939 | 7.9% |
| 6 | Science Applications International Corporation | $32,629,557 | 5.6% |
| 7 | Jg&A-Tsg JV | $24,414,019 | 4.2% |
| 8 | Alliance WSP JV, LLC | $22,705,900 | 3.9% |
| 9 | Information Systems & Networks Corporation | $20,983,333 | 3.6% |
| 10 | Amentum Services, Inc. | $18,530,771 | 3.2% |
Agencies buying landscape architectural services
Federal agencies ranked by contract dollars under NAICS 541320.
| # | Agency | Obligated | Share |
|---|---|---|---|
| 1 | Department of Defense | $280,447,438 | 47.9% |
| 2 | General Services Administration | $111,941,940 | 19.1% |
| 3 | Department of Homeland Security | $70,523,388 | 12.0% |
| 4 | Department of Health and Human Services | $62,301,507 | 10.6% |
| 5 | Department of the Interior | $25,399,626 | 4.3% |
| 6 | Department of State | $20,488,696 | 3.5% |
| 7 | National Aeronautics and Space Administration | $5,243,015 | 0.9% |
| 8 | Department of the Treasury | $3,597,692 | 0.6% |
| 9 | Millennium Challenge Corporation | $3,098,143 | 0.5% |
| 10 | Department of Transportation | $1,564,897 | 0.3% |
Where landscape architectural services contract work is performed
States ranked by contract dollars, using the place of performance on each award.
| # | State | Obligated | Share |
|---|---|---|---|
| 1 | Virginia | $197,964,544 | 33.8% |
| 2 | Florida | $70,223,584 | 12.0% |
| 3 | Maryland | $49,807,314 | 8.5% |
| 4 | Colorado | $46,380,612 | 7.9% |
| 5 | District of Columbia | $44,406,383 | 7.6% |
| 6 | Georgia | $31,787,936 | 5.4% |
| 7 | Oklahoma | $31,374,015 | 5.4% |
| 8 | Texas | $14,560,594 | 2.5% |
| 9 | California | $11,570,871 | 2.0% |
| 10 | Oregon | $11,084,531 | 1.9% |
Recent landscape architectural services contract awards
The latest landscape architectural services contracts, newest first. Each award ID links to its record on USAspending.gov.
| Start date | Recipient | Agency and description | Amount | Record |
|---|---|---|---|---|
| Sep 30, 2026 | Lmi Consulting, LLC | Department of Homeland SecurityTHE PURPOSE OF THIS AWARD IS TO OBLIGATE FUNDING FOR THE PREVIOUSLY AWARDED 70RWMD26F00000013 TASK ORDER. A NEW AWARD, 47QRACA25DU213/70FA9026FR0000010, WAS CREATED DUE TO THE DISSOLUTION OF CWMD AND | $482,402 | 70FA9026F00000014 |
| Sep 30, 2026 | Tetra Tech, Inc. | Millennium Challenge CorporationNFRASTRUCTURE CONSULTING SERVICES: ROAD TRANSPORT AND LOGISTICS, AND IRRIGATION FOR MOZAMBIQUE | $1,037,415 | 95332426F0067 |
| Sep 30, 2026 | Icf Incorporated, L.l.c. | Department of Health and Human ServicesOIDP MHAF HIV ELIMINATION PROJECT | $9,999,970 | 7571MN26F80157 |
| Sep 30, 2026 | General Dynamics Information Technology, Inc. | Department of Health and Human ServicesTHE OFFICE OF REFUGEE RESETTLEMENT (ORR) AND THE OFFICE ON TRAFFICKING IN PERSONS (OTIP) ARE OPERATIONAL OFFICES WITHIN THE ADMINISTRATION FOR CHILDREN AND FAMILIES (ACF). SINCE 2014, BOTH OFFICES HAV | $31,802,484 | 7571MN26F80149 |
| Sep 30, 2026 | General Dynamics Information Technology, Inc. | Department of Homeland SecurityCYBERSECURITY EXERCISE SUPPORT SERVICES | $12,322,380 | 70RCSJ26FR0000046 |
| Sep 26, 2026 | DHM Design Corporation | Department of the InteriorCOMPLETION OF EXISTING LANDSCAPE INV | $66,808 | 140P5226P0057 |
| Sep 25, 2026 | Science Applications International Corporation | Department of Homeland SecurityCONTRACTOR SUPPORT | $2,136,273 | 70B06C26F00001022 |
| Sep 25, 2026 | Guidehouse Inc. | Department of TransportationTHE PURPOSE OF THIS TASK ORDER IS TO PROCURE STRATEGIC HQ INTEGRATION & FUNCTIONAL TRANSFORMATION (SHIFT) SUPPORT. | $1,419,625 | 69319526F30087N |
| Sep 23, 2026 | Booz Allen Hamilton Inc | Department of Homeland SecurityINFORMATION TECHNOLOGY AND ANALYTICS SUPPORT | $4,656,990 | 70B03C26F00000996 |
| Sep 17, 2026 | Amentum Services, Inc. | Department of StateCOLOMBIAN NATIONAL POLICE (CNP) AVIATION (ARAVI) SUPPORT SERVICES. | $18,203,544 | 19AQMM26F1429 |
| Sep 16, 2026 | Icf Incorporated, L.l.c. | Department of Health and Human ServicesDIABETES HEALTH EDUCATION AND SUPPORT - EO14398 | $2,508,402 | 75D30126F21560 |
| Sep 14, 2026 | The Urban Collaborative, LLC: Master Planning, Urban Design, and Architecture | National Aeronautics and Space AdministrationSTENNIS SPACE CENTER (SSC) MASTER PLAN | $927,059 | 80SSC026F7011 |
| Sep 11, 2026 | Leidos, Inc. | General Services AdministrationCYBER OPERATIONS SUPPORT SERVICES (COSS) 3.0 - THE CORRECT NAICS FOR THIS REQUIREMENT IS 541990. | $9,407,022 | 47QFMA26F0007 |
| Sep 10, 2026 | Siteone Landscape Supply, LLC | National Gallery of ArtHOLLY TREES | $9,784 | 33301126PFP0107 |
| Sep 8, 2026 | CACI, Inc. - Federal | Department of Homeland SecurityTASK ORDER FOR ACQUISITION SPECIALIST/TECHNICAL WRITER & FINANCIAL MANAGEMENT SUPPORT SERVICES | $980,789 | 70US0926F2GSA2342 |
| Aug 24, 2026 | Guidehouse Inc. | Department of Homeland SecurityINSPECTION FIELD AND ANALYSIS SUPPORT SERVICES | $1,428,470 | 70T05026F5300N002 |
| Aug 21, 2026 | CACI, Inc. - Federal | General Services AdministrationAPOLLO BASE AWARD THE NAICS FOR THIS AWARD IS 541990 | $44,156,602 | 47QFCA26F0030 |
| Aug 10, 2026 | Icf Incorporated, L.l.c. | Department of Health and Human ServicesCOMMUNICATION, MARKETING AND STRATEGIC PLANNING SUPPORT SERVICES, EO 14398 | $2,115,498 | 75D30126F21367 |
| Jul 31, 2026 | Booz Allen Hamilton Inc | General Services AdministrationFORWARD UNITY IN STRATEGIC INFLUENCE AND OPERATIONAL NETWORKING INITIAL AWARD | $6,789,343 | 47QFCA26F0025 |
| Jul 30, 2026 | Guidehouse Inc. | Department of Homeland SecurityAGRICULTURE PROGRAMS AND TRADE LIAISON (APTL) | $1,099,487 | 70B03C26F00000532 |
| Jul 24, 2026 | Jones Lang Lasalle Americas, Inc. | Department of Veterans AffairsREAL ESTATE EXPERT, LITIGATION SUPPORT, AND MASTER PLAN ADVISORY SERVICES | $354,849 | 36C10B26F0254 |
| Jul 21, 2026 | Bv-Woolpert Joint Venture | Department of DefenseFY26 AFSOC AND ACC MP SUPPORT | $603,810 | W912BV26FA097 |
| Jul 21, 2026 | Klavon Tidewater, JV | Department of DefensePURPOSE OF THIS TASK ORDER IS TO COMPLETE A COMPREHENSIVE FEASIBILITY STUDY FOR CONSTRUCTION OF A NEW AIRCRAFT MAINTENANCE FACILITY, NAS JACKSONVILLE, FL CONTRACTORS PROPOSAL DATED 09 JUNE 2026 IS HER | $417,017 | N6945026F0401 |
| Jul 20, 2026 | Tetra Tech, Inc. | Millennium Challenge CorporationMCC REQUIRES INFRASTRUCTURE CONSULTING SERVICES FOR ROAD TRANSPORTATION INFRASTRUCTURE AND SERVICES. | $819,610 | 95332426F0052 |
| Jul 20, 2026 | Akima Facilities Operations LLC | Department of AgricultureCOLD ROOM 2130 REPAIRS, WESTERN REGIONAL RESEARCH CENTER, ALBANY, CALIFORNIA | $11,597 | 1232SA26F0281 |
Open landscape architectural services government bids
No open landscape architectural services bids right now. Check the open bids page, which is updated daily from SAM.gov.
How to win government landscape architectural services contracts
Federal landscape architectural services contracts are posted on SAM.gov under NAICS 541320. Register your business free on SAM.gov with this code, watch for landscape architectural services bids, and look for small business set-asides: many landscape architectural services contracts for small business are reserved for small firms.
Explore government landscape architectural services contracts by state, agency and contractor
- Department of Defense contracts
- General Services Administration contracts
- Department of Homeland Security contracts
- Department of Health and Human Services contracts
- Department of the Interior contracts
- Government contracts in Virginia
- Government contracts in Florida
- Government contracts in Maryland
- Government contracts in Colorado
- Government contracts in District of Columbia
- Leidos government contracts
- General Dynamics Information Technology government contracts
- Booz Allen Hamilton government contracts
- CACI, Inc. - Federal government contracts
Frequently asked questions
- What NAICS code is used for government landscape architectural services contracts?
- Federal landscape architectural services contracts use NAICS 541320 (Landscape Architectural Services). List this code in your free SAM.gov registration to be found for these contracts.
- Who are the largest landscape architectural services government contractors?
- By contract dollars under NAICS 541320 from FY2024 to FY2026, the largest were Leidos, Inc. ($82M), General Dynamics Information Technology, Inc. ($71.9M) and Booz Allen Hamilton Inc ($65.9M).
- Which agencies buy the most landscape architectural services?
- From FY2024 to FY2026, the biggest buyers were the Department of Defense ($280M), the General Services Administration ($112M) and the Department of Homeland Security ($70.5M).
- Where are government landscape architectural services contracts performed?
- By contract dollars, the most federal landscape architectural services work is performed in Virginia ($198M), Florida ($70.2M) and Maryland ($49.8M).
- Is federal spending on landscape architectural services contracts growing?
- Federal landscape architectural services contract obligations rose 737% from FY2024 ($49.8M) to FY2026 ($417M). FY2026 closed recently, and Defense Department contracts are reported up to 90 days late, so its total may still rise.
- Do I qualify as a small business for landscape architectural services contracts?
- It depends on the SBA size standard for NAICS 541320, which is set either by average annual revenue or by number of employees. Check the current table of size standards on sba.gov before you bid on small business set-asides.
- What do I need to bid on government landscape architectural services contracts?
- An active SAM.gov registration (free) with NAICS 541320 listed, the licenses and insurance your state requires for landscape architectural services work, and examples of similar past work. Some solicitations also ask for specific certifications or security clearances.