Posted by Dan O'Malley in Home Buying

The stages of new home construction follow an 8-step engineering sequence: site preparation, foundation pour, wood framing, mechanical rough-ins (HVAC, plumbing, electrical), insulation, drywall installation, interior and exterior finishes, and final inspection walkthroughs.

Home is the most important place in our lives, and buying a new home is one of the most exciting decisions you can make; however, it can also be a bit nerve-wracking if you’re unsure about how your home will be built.

Have no fear, because we’re here to walk you through every step! With the knowledge of our construction process, you and your family can have the peace of mind and confidence that you’re making the best possible choice by building a new home.

From avoiding the costly renovations and repairs many resale homes need, to having a home that is uniquely their own, there are many great reasons to build a new home. Don’t forget to review What Are the Steps to Build a Home to understand the essential steps you'll need to take before the construction crew can get to work!

Although specifics can vary based on location, regulations, and personal preferences, there are typically 8 steps to building a house:

  1. Preparing the Homesite
  2. Laying the Foundation
  3. Framing the Home
  4. Installing HVAC, Plumbing, and Electrical
  5. Adding the Insulation
  6. Affixing the Drywall
  7. Inserting the Interior and Exterior Finishes
  8. Completing the Final Inspection and Walkthrough
M/I Homes Construction Manager With Customers

Overview of Physical Construction Milestones

Professional homebuilders follow strict structural and municipal timelines. Below is a breakdown of the primary job site focus and key customer milestones across each phase of construction.

Construction Stage Primary Job Site Focus Key Buyer Milestone
1. Site Preparation Lot surveying, clearing, excavation, soil grading, and setting up utility lines. Plot plan sign-off and site excavation.
2. Foundation Pouring concrete slab, footers, or basement walls; waterproofing application. Municipal foundation code inspection approval.
3. Framing Constructing exterior/interior walls, floor joists, roof trusses, and house wrap. Seeing the home’s layout take shape in 3D.
4. Mechanical Rough-Ins Running plumbing supply lines, electrical wiring, and HVAC ductwork inside open studs. Pre-Drywall Orientation on site.
5. Insulation Installing thermal barriers in exterior walls, attic spaces, and foundation edges. Verifying energy efficiency and climate-control standards.
6. Drywall Hanging, taping, mudding, sanding, and priming interior wall panels. Open studs transition into defined interior rooms.
7. Finishes & Trim Installing cabinets, countertops, flooring, trim, paint, exterior siding, and sod. Design selections come to life on site.
8. Final Walkthrough Quality control checks, code compliance sign-off, and punch-list verification. Final New Home Orientation walkthrough before closing.

1. Preparing the Homesite

You chose the perfect homesite and floorplan, but before construction on your new home can begin, the land where it will sit must be prepared. The lot must be surveyed and utility access has to be set up.

Homesite

2. Laying the Foundation

Now that the lot has been prepped, we can start building your home! A concrete foundation is poured, which is then reinforced with steel rods prior to drying. Once it hardens, the foundation is sprayed with a waterproofing substance to ensure it will be dry for many years to come.

New Home Foundation Installation

There are several types of foundations, and the geographic location of your home often determines which type is used. The most commonly seen are slab foundations and basement foundations; depending on where you’re building, options exist for both!

Before moving on to the next phase in the construction process, a city inspector will evaluate the quality of the foundation.

3. Framing the Home

This is where it starts to get really exciting! With the wooden framing, you can literally see your home taking shape and notice that excellent floorplan you selected come to life.

House Framing

There’s quite a lot involved in this step:

  • Floor joists are installed as well as the subfloor
  • Windows and doors are also installed
  • A house wrap is put over the exterior to prevent water and moisture from getting into the home

This has a secondary function of improving the home’s energy efficiency by helping the insulation work better, keeping your home cool in the summer, and warm in the winter.

4. Installing HVAC, Plumbing, and Electrical

Your home is now dried-in, which means the interior is completely protected from rain and moisture. Now the major systems, including plumbing, electrical, and HVAC (heating, ventilation, and air conditioning), can be installed.

Once these components have been installed, inspectors proof them individually, making sure the home continues to be of the highest quality possible. Curious about keeping up with your progress during this phase? Learn more about how often to expect updates in your new home construction.

House Plumbing Hookups

5. Adding the Insulation

The next step is to install insulation, which will keep your home warm in the winter and cool in the summer.

Home Insulation Installation

There are many types of insulation, and some are better suited than others, depending on the location’s climate. According to building science guidelines from the U.S. Department of Energy, effective insulation creates a continuous thermal envelope that significantly lowers heating and cooling energy usage.

Energy efficiency is important to reduce your energy costs (which means saving you money!), so the home must be properly insulated from the roof all the way down to the foundation.

The list of places needing insulation is extensive, but the biggest and most commonly thought of areas include the exterior walls, the attic, any floors above the garage, and the foundation.

6. Affixing the Drywall

Home Drywall

After your home has been properly insulated, the next step is to put up drywall on the walls and ceiling. Using specialty screws, brackets, and joint compound (commonly referred to as drywall mud), the construction crew will hang drywall to create the rooms in your home.

During this process, they will also cut out holes for lighting fixtures and electrical outlets. Once completed, the drywall will be primed with sealer so paint can be absorbed evenly across the entire surface area.

7. Inserting the Interior and Exterior Finishes

We're getting to the final stage of building your dream home! The interior will be completed in this stage, and you’ll love seeing the final essential touches being installed.

Everything from hardwood flooring and carpeting to countertops and cabinets, as well as doors and light fixtures are added. For the exterior, we'll make sure your driveway has been paved and sod has been added to your yard. For technical safety standards applied on residential sites during exterior finishing, refer to the Occupational Safety and Health Administration (OSHA).

Installing Stone on Home Exterior

There are so many options to decide but worry not; top-notch Design Studios are staffed by professional design specialists who can help you select the perfect finishes for your home.

8. Completing the Final Inspection and Walkthrough

Congratulations: your new home is nearly done and ready for you to move into and fall in love with!

According to homebuilding industry statistics from the National Association of Home Builders (NAHB), completing a rigorous final inspection walkthrough ensures that structural, mechanical, and safety standards are fully verified prior to occupancy.

After passing the final inspection, you can walk through the home with the Construction Manager to make sure that it’s up to your personal standards. If you discover something that happened to be missed during the building process, this is when you can let us know so we can correct it for you.

Want to see this process for yourself? Check out this awesome video of a model home as it is built from the ground up!



Author

Dan O'Malley
Dan O'Malley

Author

Dan O’Malley is the Vice President of Product Development for M/I Homes.With over 30 years of expertise in residential architecture and design, Dan has been overseeing the product needs of the company's 16 divisions located throughout the Midwest, Southeast, Nashville and Texas for the past 12 years. Before joining M/I Homes, he was a partner in the Chicago office of BSB Design, a national residential architectural firm, for 14 years. Dan is an expert in all aspects of single-family and multifamily design and has received several awards for his successful projects. He is also a popular speaker at various industry events, including the International Builder’s Show, Midwest Builder’s Show, and Multi-Housing World.

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