Construction is a broad industry that includes everything from single-family homes and retail buildings to highways, factories, schools, farms, and specialized environmental projects. Because the industry covers so many different structures, construction projects are often grouped into categories based on their purpose and intended use.
This leads to a common question: What are the seven types of construction?
There is no single seven-type classification officially used by every contractor, government agency, or building code. However, a commonly used project-based list includes:
- Residential construction
- Commercial construction
- Institutional construction
- Industrial construction
- Infrastructure and civil construction
- Agricultural construction
- Specialized construction
These categories help property owners understand the general purpose, requirements, professionals, and construction processes involved in different projects. They should not be confused with the five construction types established by the International Building Code, which classify buildings primarily according to structural materials and fire-resistance requirements.
Why Are Construction Projects Divided Into Categories?
Construction projects can differ substantially in their size, design, materials, permitting requirements, safety considerations, equipment, and intended use.
A contractor who specializes in custom homes may not have the same equipment or project-management systems as a company that builds highways. Likewise, an industrial contractor working on a manufacturing facility may need experience with specialized equipment and processes that are not part of ordinary residential construction.
The U.S. Census Bureau divides the construction industry into three broad official subsectors:
- Construction of buildings
- Heavy and civil engineering construction
- Specialty trade contractors
Construction of buildings includes new work, additions, alterations, maintenance, and repairs. Heavy and civil engineering construction covers engineering projects such as highways and dams. Specialty trade contractors perform specific activities such as concrete work, site preparation, plumbing, painting, and electrical work.
The seven categories discussed below provide a more detailed, consumer-friendly way to understand the different kinds of projects found within those broader industry classifications.
1. Residential Construction
Residential construction involves properties intended primarily for people to live in. It can include:
- Custom homes
- New single-family houses
- Spec homes
- Build-to-rent properties
- Duplexes and certain multifamily properties
- Home additions
- Whole-home remodeling
- Kitchen and bathroom renovations
- Structural residential repairs
The Census Bureau defines residential building construction as the construction, remodeling, or renovation of single-family and multifamily residential buildings.
Residential projects may involve site preparation, foundation work, framing, roofing, plumbing, electrical systems, heating and cooling equipment, insulation, drywall, flooring, cabinets, countertops, painting, and exterior improvements.
Custom home construction differs from purchasing a completed production home because the property owner may have greater involvement in the layout, materials, finishes, storage, and other design decisions. The exact process depends on the builder, property, plans, construction agreement, and local requirements.
KRL Construction & Development identifies itself as a custom home builder serving Longview and surrounding East Texas communities. Its residential services include custom home building, new home construction, spec home construction, whole-home remodeling, building and framing, roofing, carpentry, painting, fencing, retaining walls, cabinets, and countertops.
2. Commercial Construction
Commercial construction generally involves buildings used for business activities or income-producing operations.
Examples may include:
- Retail stores
- Offices
- Restaurants
- Hotels
- Warehouses
- Shopping centers
- Medical offices
- Service businesses
- Mixed-use properties
- Commercial renovations
Commercial projects may require different layouts, structural systems, accessibility features, parking arrangements, life-safety systems, and building equipment than a typical single-family home.
A commercial building must be designed around its intended occupancy and operations. For example, a restaurant may require commercial kitchen systems, ventilation, customer restrooms, dining areas, and specialized utility connections. An office building may place greater emphasis on workspaces, communication systems, conference areas, accessibility, and employee facilities.
The Census Bureau includes commercial and institutional building contractors, design-build firms, for-sale builders, and construction-management firms within its commercial and institutional building construction category.
KRL Construction states that it serves homeowners, businesses, and property owners and provides residential and commercial construction services in the Longview area. The specific availability and suitability of those services must be confirmed according to the proposed project.
3. Institutional Construction
Institutional construction includes buildings used to provide public, educational, healthcare, religious, or community services.
Examples can include:
- Schools
- Universities
- Hospitals
- Clinics
- Churches
- Libraries
- Government buildings
- Public-safety facilities
- Community centers
- Assisted-living facilities
Institutional and commercial projects are sometimes grouped together because both may involve nonresidential buildings. However, institutional facilities often have specialized functions and may be subject to requirements based on their occupants and intended public use.
A school, for example, may need classrooms, administrative areas, food-service spaces, athletic facilities, accessible routes, emergency systems, and secure entry points. Healthcare construction can involve specialized rooms, equipment, utilities, ventilation, and operational considerations.
Institutional projects may also involve multiple stakeholders, including administrators, boards, public agencies, design professionals, contractors, inspectors, and facility managers. That can create a more complex approval and coordination process than a typical residential project.
4. Industrial Construction
Industrial construction involves facilities used for manufacturing, processing, production, storage, energy generation, or other large-scale industrial operations.
Examples include:
- Manufacturing plants
- Processing facilities
- Refineries
- Power plants
- Distribution facilities
- Industrial warehouses
- Chemical facilities
- Production buildings
- Large equipment installations
- Industrial utility structures
Industrial construction may require specialized engineering, heavy equipment, reinforced structural systems, machinery foundations, process piping, electrical infrastructure, ventilation, fire protection, and environmental controls.
The Census Bureau distinguishes industrial buildings from certain industrial nonbuilding structures. Its classifications recognize projects such as manufacturing buildings, chemical facilities, cement plants, petroleum refineries, industrial incinerators, and power plants.
These projects are generally completed by contractors with industrial experience rather than ordinary residential builders. The safety, engineering, scheduling, and equipment requirements can differ substantially from those involved in building a home.
5. Infrastructure and Civil Construction
Infrastructure construction focuses on the systems and structures that support communities, transportation, utilities, and public services.
Examples include:
- Roads
- Highways
- Bridges
- Tunnels
- Railways
- Airports
- Water systems
- Sewer systems
- Pipelines
- Dams
- Drainage projects
- Power and communication lines
The Census Bureau describes heavy and civil engineering construction as the construction of complete engineering projects, including highways and dams. This category can also include specialty contractors whose skills and equipment are specific to civil projects rather than ordinary buildings.
Infrastructure construction often requires civil engineers, surveyors, government agencies, utility providers, heavy-equipment operators, environmental specialists, and contractors experienced with large public or private engineering projects.
These projects may take place across long distances or extensive sites instead of one residential lot. They can also affect traffic, public access, utilities, water resources, or surrounding properties.
Infrastructure work should not be confused with residential site improvements. A home builder may coordinate grading, drainage, utility connections, or driveway work for an individual property without operating as a large-scale civil construction company.
6. Agricultural Construction
Agricultural construction includes buildings and improvements designed to support farming, ranching, livestock, equipment, and food-production operations.
Examples may include:
- Barns
- Equipment-storage buildings
- Livestock shelters
- Poultry buildings
- Greenhouses
- Workshops
- Farm offices
- Agricultural fencing
- Feed-storage structures
- Produce-storage facilities
- Irrigation-related structures
- Rural access improvements
The design of an agricultural building depends on its intended purpose. A livestock structure may require ventilation, drainage, durable interior surfaces, animal-access areas, and feeding systems. An equipment building may require large doors, open interior spans, reinforced floors, electrical service, and space for machinery.
Agricultural projects may also involve rural site conditions, limited utility access, drainage, unpaved roads, wells, septic systems, or substantial distances from suppliers and subcontractors.
A contractor should understand how the structure will be used before recommending its size, layout, materials, foundation, or exterior system. Not every residential builder performs agricultural construction, so property owners should confirm relevant experience before hiring a company.
7. Specialized Construction
Specialized construction covers projects or trades that require a focused set of skills, materials, equipment, or technical knowledge.
Examples can include:
- Roofing
- Electrical work
- Plumbing
- HVAC installation
- Concrete work
- Painting
- Carpentry
- Site preparation
- Demolition
- Historic restoration
- Environmental remediation
- Renewable-energy installations
- Specialized waterproofing
- Custom structural improvements
The Census Bureau describes specialty trade contractors as businesses that perform specific construction activities but are generally not responsible for the complete project. Examples include pouring concrete, preparing sites, plumbing, painting, and electrical work. Specialty contractors may work for a general contractor or directly for a property owner, particularly during remodeling and repairs.
Some construction companies provide both general construction and specialized services. A custom home builder, for example, may oversee an entire new-home project while also offering separate framing, roofing, painting, carpentry, or remodeling services.
KRL Construction provides several specialized services in addition to new construction, including roofing, building and framing, retaining walls, sod installation, painting, carpentry, fencing, cabinets, and countertops.
Are the Seven Types the Same as Building-Code Construction Types?
No. The seven project categories describe construction according to the purpose of the project. Building codes use another classification system.
Chapter 6 of the 2024 International Building Code establishes five construction types:
- Type I
- Type II
- Type III
- Type IV
- Type V
These types are based largely on whether building elements are combustible or noncombustible and how long structural elements can resist fire. The requirements apply to components such as the structural frame, bearing walls, floors, and roof.
For example, the general seven-category list may identify a project as residential construction. The building itself may also receive a Type I through Type V classification under the applicable building code. These two descriptions answer different questions.
A residential home does not automatically represent a separate official code type simply because it is residential. Its code classification depends on its actual design, materials, occupancy, fire-resistance requirements, location, and adopted regulations.
Which Type of Construction Does a New Home Use?
A new single-family home falls under residential construction when categories are based on project purpose.
However, completing the home may involve many specialized trades and phases, including:
- Land and site evaluation
- Site preparation
- Foundation construction
- Framing
- Roofing
- Plumbing
- Electrical installation
- Heating and cooling
- Insulation
- Drywall
- Painting
- Flooring
- Cabinetry
- Countertops
- Exterior improvements
- Final inspections
A home builder or general contractor typically coordinates these different activities according to the plans and construction agreement. Some work may be performed directly by the builder, while other portions may be completed by specialty contractors.
This coordination is one reason homeowners should evaluate more than the finished appearance of a builder’s previous projects. They should also review the company’s planning process, communication, written scope, insurance, relevant experience, change-order procedures, and approach to project management.
Choosing the Right Contractor for a Construction Project
The correct contractor depends on the type and size of the proposed work.
Before hiring a company, property owners should determine:
- Whether the project is residential or nonresidential
- Whether the contractor has completed similar work
- Whether engineering or architectural services are needed
- Which permits and inspections apply
- Which regulated trades will participate
- Who will manage the complete project
- What work is included in the written scope
- How changes will be documented
- What insurance applies
- Whether the contractor serves the project’s location
A residential builder should not be assumed to perform major industrial or infrastructure construction. Similarly, a civil contractor who builds roads may not be the appropriate choice for a custom home.
The company’s actual experience should match the property owner’s needs.
Residential Construction in Longview and East Texas
KRL Construction & Development focuses on custom home building, new construction, remodeling, build-to-rent projects, roofing, and related property improvements. Its process begins with discussing the customer’s goals, needs, and timeline, followed by a project plan and estimate before construction and completion.
The company serves Longview and surrounding East Texas areas within approximately 60 miles. Its website identifies Tyler, Marshall, Carthage, Henderson, and nearby communities as possible service areas. Property owners should confirm availability for their specific address and proposed scope.
What Are the Seven Types of Construction?
The seven commonly discussed project-based types of construction are residential, commercial, institutional, industrial, infrastructure and civil, agricultural, and specialized construction.
This list is useful for understanding how projects differ according to their purpose. However, it is not the only way the construction industry is classified. Government agencies use broader industry categories, while building codes use five construction types based largely on materials and fire resistance.
For homeowners, custom homes, new houses, additions, and most home remodeling projects fall within residential construction. These projects may also involve multiple specialty trades that must be properly coordinated.
KRL Construction & Development works with homeowners, investors, businesses, and property owners in Longview and surrounding East Texas communities. Customers considering custom home construction, a new build, remodeling, roofing, framing, or another property improvement can contact the company to discuss whether the project fits its current services and operating area.