You sign with a builder, then the relief sets in. You chose your trusted builder, and the home of your dreams is starting to feel more real than ever. Then, one day, the stakes go into the ground, and something shifts. All those conversations about floor plans and finishes are suddenly very real. That front door with your name on it is actually getting built.
Pre-construction is where a custom home build is really shaped. Not during framing. Not at the final walkthrough. Before any of that. The decisions locked in here around design, permits, selections, and site prep are the ones your timeline and budget will live inside for the entire project.
Here is what to expect from each phase and what to get ahead of.
What Pre-Construction Planning Actually Covers
Most people picture pre-construction as the quiet stretch between signing a contract and watching a crew show up. There is actually quite a bit happening in that window. The sequence matters too, more than most buyers expect going in.
Design, permits and approvals, selections, and site preparation all have to be handled. Each one feeds the next. Working through each phase in order is what keeps the whole process moving smoothly. Coming in with a clear picture of what each phase involves takes a lot of the uncertainty out of the whole process.
Design: The Foundation of Every Decision That Follows
This is where it all starts, and where ironing out the small details pays off.
Your floor plan is really a record of how you want to live. Where the morning light falls, how the kitchen connects to the outdoor space when you are hosting, whether the primary suite needs its own quiet corner of the house or something more open. These are worth working through carefully before the drawings are locked, not after you are already looking at framing.
At Terra in Novi, Cambridge Homes draws on Prairie-style and modern influences, where each foundation was built with precision and care. The exterior design shapes how each home sits in its setting. Getting the elevation locked early means the inside and outside work together by design rather than being reconciled after the fact.
Before pre-construction closes out, confirm your floor plan layout, primary suite placement, ceiling heights, exterior elevation, garage orientation, covered outdoor areas, and any structural details, such as open spans or specialty rooms, that require engineering input before framing. Changes after the design phase closes are typically reflected in change orders.
Permits and Approvals: What to Know Before You Start
This phase is very important, and it helps to know what is coming.
Your project needs permits and approvals from the relevant municipality before anything gets built. Depending on where you are building, that can bring in the city or township building department, a zoning board, a drain commission, an HOA review, and sometimes state environmental agencies if the site touches wetlands or protected land.
In Southeast Michigan, where you build, that process actually looks different. A property in Bloomfield Hills with steep grade changes or mature trees that have to stay is a completely different permitting picture than a clean parcel in Northville. Builders who know the region come in with a working understanding of most sites before the application even gets filed.
Some municipalities process permits in a matter of weeks. Others take several months when plans are complex, or the site has specific conditions. Building that reality into your schedule from the start keeps things on solid footing.
This is where working with an experienced builder comes in handy. Your builder should own the whole process: zoning review, applications, utility coordination, soil analysis, and site-specific approvals. You stay informed while they handle it.
Selections: Make These Decisions Early
This is one of the most important phases to stay ahead of, since your schedule moves fastest when these decisions are made early.
By the time the framing is up, your plumber needs the fixtures already picked. Your electrician needs outlet and switch locations confirmed before walking through the house. If your tile contractor is on the schedule, the tile should be ordered in advance. The urgency can build quickly in the early weeks of a project.
According to the National Association of Home Builders’ 2024 Cost of Construction Survey, construction costs now account for 64.4% of the average new home price, a record high. Getting selections done early is one of the most direct ways to protect that investment. It could save you money, rush fees, etc.
Cabinetry, countertops, flooring, fixtures, lighting, tile for wet areas, doors, hardware, windows, appliances, and built-ins. Having a selections coordinator and an interior designer work through it all together means choices are made with the full context in mind, rather than under pressure when the schedule is already moving.
Site Prep: What Has to Happen Before the First Nail
Site prep is the handoff between planning and construction. Not the glamorous phase, but what gets sorted here stays with the home for its entire life.
The evaluation covers utility locations and connection methods, drainage and grading across the property, tree-clearing decisions, soil conditions, foundation engineering requirements, and any drainage structures required on the land.
Southeast Michigan’s climate is a real factor. Foundations have to account for freeze-thaw cycles. Lots with heavy clay soil or a high water table need specific handling that a builder with enough local experience already understands going in, rather than working out as the project unfolds.
Once site prep is complete and permits are in place, construction has what it needs.
Why the Order of This Checklist Matters
Design shapes what permits are required. Permits determine what can be built and where on the site. Selections follow a locked design. Site prep follows approved permits. Push any phase out of sequence, and the problems tend to find you later rather than sooner.
Choosing your builder first, before anything else on this list, is what keeps the whole thing coherent. Every phase of pre-construction is something your builder should be guiding from day one, not catching up to as it develops.
Cambridge Homes: Award-Winning Custom Home Builder Serving Southeast Michigan
Cambridge Homes has been building luxury custom homes across Southeast Michigan since 1979. Mark F. Guidobono Sr. founded the company, and over the past four decades, the team has built a design/build process that works across every project type, whether on a buyer’s own lot or within one of our planned communities.
Our build-on-your-lot program covers the full pre-construction scope, including site evaluation, permit applications, selection coordination, and construction planning, so buyers do not have to work through any of it alone. We build across Birmingham, Bloomfield Hills, West Bloomfield, Northville, Novi, Plymouth, South Lyon, and throughout Southeast Michigan.
Ready to Start Your Pre-Construction Journey?
Getting into this earlier than you think you need to is almost always the right move. Decisions made with time on your side are better decisions.
Come see what is happening at Terra. Schedule a tour, and we will walk you through the Cambridge Homes process from the first conversation to the day you get your keys.



