23 - Construction

The North American Industry Classification System (NAICS) Code 23 is integral to understanding the vast and dynamic Construction sector. Whether you're a business owner, contractor, or government agency, grasping what falls under NAICS 23 is essential for compliance, contracting, and market analysis. This blog post dives deep into NAICS Code 23, detailing its scope, subcategories, size standards, and typical business activities.

---

What is NAICS Code 23?

NAICS Code 23 represents the Construction sector. It includes establishments primarily engaged in the construction of buildings or engineering projects such as highways and utility systems. This sector encompasses:

• New construction projects
• Additions to existing structures
• Alterations and modifications
• Maintenance and repairs

By classifying businesses under NAICS 23, stakeholders can better navigate industry regulations, funding, and contracting opportunities.

---

The Construction Sector: Focus and Activities

NAICS Code 23 covers a broad range of construction-related industries including:

• Residential Building Construction
• Commercial and Institutional Building Construction
• Heavy and Civil Engineering Construction

Typical activities within these sectors include:

• Building homes, apartments, and residential complexes
• Constructing office buildings, schools, and hospitals
• Developing highways, bridges, water resource infrastructure, and utility systems
• Performing repairs and ongoing maintenance on these structures

This breadth makes the Construction sector a critical driver of economic development and infrastructure improvement.

---

Size Standards for NAICS Code 23

For businesses engaging under NAICS 23, size standards to qualify as small businesses (especially for federal contracting purposes) generally depend on:

• Employee count: Typically ranges from 500 to 1,500 employees depending on the sub-industry
• Annual receipts: Varies from $16.5 million to $39.5 million

These thresholds are set by the U.S. Small Business Administration (SBA) and help determine eligibility for small business programs, grants, and contracts.

---

Examples of Businesses under NAICS Code 23

Here are some examples of typical businesses operating under NAICS Code 23:

• Residential Building Construction: Home builders, remodeling contractors, custom home builders
• Commercial and Institutional Building Construction: Contractors building office spaces, retail stores, schools, and healthcare facilities
• Heavy and Civil Engineering Construction: Contractors specializing in highways, bridges, airports, sewage treatment facilities, and utility system installations

---

NAICS Code 23: Detailed Code Breakdown

NAICS Code	Title	Description
236	Construction of Buildings	Involves building residential, commercial, and institutional structures
2361	Residential Building Construction	Construction of single-family and multi-family residential buildings
2362	Nonresidential Building Construction	Commercial, institutional buildings such as offices, schools, and hospitals
237	Heavy and Civil Engineering Construction	Construction of highways, bridges, tunnels, water and sewer systems, and other heavy engineering projects
2371	Utility System Construction	Construction of power and communication lines, pipelines, and related facilities
2373	Highway, Street, and Bridge Construction	Roads, bridges, airport runways, railways, and related infrastructure
238	Specialty Trade Contractors	Specialized activities like electrical, plumbing, drywall, and other interior and exterior work

---

Frequently Asked Questions (FAQs) about NAICS Code 23

What types of projects are included in NAICS Code 23?

NAICS Code 23 includes construction projects such as building homes, commercial buildings, highways, bridges, utility systems, and more. It covers new construction, additions, alterations, as well as repairs and maintenance.

How does NAICS Code 23 affect government contracting?

Many government contracts specify NAICS codes. For businesses under NAICS 23, understanding these codes and size standards helps in identifying eligible contracts and small business programs.

What are the size standards for small businesses in NAICS 23?

Size standards vary based on the subsector but generally range between 500 and 1,500 employees or $16.5 million to $39.5 million in average annual receipts, as defined by the SBA.

Can subcontractors fall under NAICS Code 23?

Yes. Specialty trade contractors such as electricians, plumbers, painters, and carpenters fall under NAICS 23, specifically in the Specialty Trade Contractors subsector (NAICS 238).

---

Conclusion

NAICS Code 23 captures a vital and broad sector of the economy focused on building and maintaining the critical structures and infrastructure that shape our communities. Understanding the Construction sector’s scope, typical business types, and size standards is invaluable whether you’re pursuing government contracts, market research, or business development.

Stay informed, leverage NAICS 23 classifications properly, and seize the numerous opportunities within this essential industry.

---

Keywords: NAICS Code 23, Construction sector, Residential Building Construction, Commercial Building Construction, Heavy and Civil Engineering Construction, size standards, SBA, government contracting, specialty trade contractors