NAICS Code 561790: Other Services to Buildings and Dwellings
National industry
SBA small business size standard: $9 million in average annual receipts
Definition
This industry comprises establishments primarily engaged in providing services to buildings and dwellings (except exterminating and pest control; janitorial; landscaping care and maintenance; and carpet and upholstery cleaning).
Code facts
- Part of
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56
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561
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5617
- 56179
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5617
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561
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56
- Contract awards
- 365 In the last 12 months
- Contract obligations
- $63,259,244 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 561790
- Building exterior cleaning services (except sand blasting, window cleaning)
- Chimney cleaning services
- Chimney sweep (i.e., cleaning) services
- Cleaning (e.g., power sweeping, washing) driveways and parking lots
- Cleaning building exteriors (except sand blasting, window cleaning)
- Cleaning swimming pools
- Drain cleaning services
- Driveway cleaning (e.g., power sweeping, washing) services
- Duct cleaning services
- Gutter cleaning services
- Lighting maintenance services (e.g., bulb and fuse replacement and cleaning)
- Parking lot cleaning (e.g., power sweeping, washing) services
- Power washing building exteriors
- Pressure washing (e.g., buildings, decks, fences)
- Snow plowing driveways and parking lots (i.e., not combined with any other service)
- Steam cleaning building exteriors
- Swimming pool cleaning and maintenance services
- Ventilation duct cleaning services
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $489,499 |
| FY2026 | $57,669,845 |
| FY2025 | $63,259,244 |
| FY2024 | $62,595,092 |
| FY2023 | $68,466,003 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | CWS Marketing Group, Inc. | $8,739,937 | |
| 2 | Shield Services LLC | $2,005,990 | |
| 3 | E & S Construction, LLC | $1,560,188 | |
| 4 | United Pool Maintenance LLC | $1,548,096 | |
| 5 | National Air Duct Maintenance Corp | $1,541,486 | |
| 6 | Goodwill Industries Of San Antonio Contract Services | $1,430,363 | |
| 7 | GMB Inc. | $1,379,384 | |
| 8 | Kotobuki Shoji LIMITED | $1,314,339 | |
| 9 | Supercool Metals Inc. | $1,199,974 | |
| 10 | Sand Springs Development Corporation | $986,888 |
See the full FY2025 ranking of NAICS 561790 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $15,669,591 | |
| 2 | Department of Veterans Affairs | $9,818,912 | |
| 3 | Department of the Treasury | $8,715,111 | |
| 4 | Air Force | $8,624,134 | |
| 5 | Department of the Navy | $4,692,417 | |
| 6 | Department of State | $2,640,652 | |
| 7 | Department of Commerce | $1,251,236 | |
| 8 | Defense Logistics Agency | $1,199,974 | |
| 9 | Department of the Interior | $1,161,682 | |
| 10 | Social Security Administration | $856,977 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
S218 Snow Removal/ |
$13,133,656 | |
| 2 | R799 Other Management Support Services | $8,739,937 | |
| 3 | J041 Maintenance, Repair and Rebuilding of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment | $5,257,601 | |
| 4 | S299 Other Housekeeping Services | $4,070,459 | |
| 5 | S216 Facilities Operations Support Services | $3,425,177 | |
| 6 | S201 Custodial Janitorial Services | $2,650,837 | |
| 7 | Z1JZ Maintenance of Miscellaneous Buildings | $1,589,437 | |
| 8 | Z1PA Maintenance of Recreation Facilities (Non-Building) | $1,255,999 | |
| 9 | AC21 National Defense R&D Services; Atomic Energy Defense Activities; Basic Research | $1,199,974 | |
| 10 | Z1AA Maintenance of Office Buildings | $1,150,200 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $11,370,296 | |
| 2 | Alaska | $2,800,655 | |
| 3 | Texas | $2,381,089 | |
| 4 | Florida | $2,276,106 | |
| 5 | Maryland | $2,250,471 | |
| 6 | Illinois | $2,126,247 | |
| 7 | Pennsylvania | $2,124,376 | |
| 8 | New York | $2,058,267 | |
| 9 | Hawaii | $1,752,057 | |
| 10 | California | $1,658,129 | |
| 11 | Connecticut | $1,513,795 | |
| 12 | Massachusetts | $1,304,109 | |
| 13 | Minnesota | $863,035 | |
| 14 | New Jersey | $803,256 | |
| 15 | Ohio | $782,750 | |
| 16 | District of Columbia | $773,793 | |
| 17 | Vermont | $751,954 | |
| 18 | South Carolina | $673,867 | |
| 19 | Kentucky | $653,968 | |
| 20 | North Carolina | $601,903 | |
| 21 | Georgia | $518,275 | |
| 22 | Delaware | $471,389 | |
| 23 | Maine | $456,360 | |
| 24 | Guam | $359,912 | |
| 25 | West Virginia | $358,393 | |
| 26 | Michigan | $344,707 | |
| 27 | Oklahoma | $336,918 | |
| 28 | New Hampshire | $310,681 | |
| 29 | Colorado | $306,559 | |
| 30 | Louisiana | $278,015 | |
| 31 | Indiana | $269,327 | |
| 32 | Mississippi | $217,164 | |
| 33 | Wisconsin | $199,835 | |
| 34 | Arizona | $162,788 | |
| 35 | Iowa | $147,841 | |
| 36 | Wyoming | $144,709 | |
| 37 | Missouri | $137,567 | |
| 38 | Puerto Rico | $132,450 | |
| 39 | Washington | $129,828 | |
| 40 | Utah | $114,400 | |
| 41 | Oregon | $80,305 | |
| 42 | Rhode Island | $79,600 | |
| 43 | Arkansas | $73,652 | |
| 44 | New Mexico | $65,609 | |
| 45 | North Dakota | $64,137 | |
| 46 | Idaho | $63,270 | |
| 47 | Alabama | $38,140 | |
| 48 | Tennessee | $19,500 | |
| 49 | Kansas | $18,648 | |
| 50 | Montana | $18,301 | |
| 51 | South Dakota | $7,648 |
Show all 51
Shares are of everything obligated under NAICS 561790 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 5,327 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 561790?
NAICS 561790 is Other Services to Buildings and Dwellings, a national industry in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What is the NAICS code for duct cleaning services?
The NAICS code for duct cleaning services is 561790, Other Services to Buildings and Dwellings.
What is the NAICS code for cleaning swimming pools?
The NAICS code for cleaning swimming pools is 561790, Other Services to Buildings and Dwellings.
What is the NAICS code for drain cleaning services?
The NAICS code for drain cleaning services is 561790, Other Services to Buildings and Dwellings.
When did the size standard for NAICS 561790 last change?
The most recent Federal Register rule on record that names NAICS 561790 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 561790?
Federal contracts under NAICS 561790 obligated $63,259,244 in fiscal year 2025 and $252,479,682 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 561790?
The contractors with the most obligated under NAICS 561790 in fiscal years 2026 and 2027 are CWS Marketing Group, Inc. ($8,739,937); Shield Services LLC ($2,005,990); and E & S Construction, LLC ($1,560,188).
Which agencies buy the most under NAICS 561790?
The agencies that obligated the most under NAICS 561790 in fiscal years 2026 and 2027 are Department of the Army ($15,669,591), Department of Veterans Affairs ($9,818,912) and Department of the Treasury ($8,715,111).
Which PSC codes are used with NAICS 561790?
The PSC codes with the most obligated under NAICS 561790 in fiscal years 2026 and 2027 are S218 Snow Removal/
Where is the work under NAICS 561790 performed?
By place of performance, the states with the most contract obligations under NAICS 561790 over the last 12 months are Virginia ($11,370,296), Alaska ($2,800,655) and Texas ($2,381,089).
What is the latest contract opportunity under NAICS 561790?
The latest contract opportunity under NAICS 561790 is Snow Removal Services Green Bay, WI, solicitation from National Oceanic and Atmospheric Administration, posted November 6, 2026.
On GovTribe
See everything under NAICS 561790
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