From Groundbreaking to Move-In: What Actually Happens During Construction (Part 5 of 7: The Complete New Construction Buyer's Guide)

Signing a builder contract is the beginning of a new construction purchase, not the end of the decisions that matter. Between groundbreaking and the day you get your keys, your home moves through a specific sequence of construction stages, and knowing that sequence, along with when to show up and what to expect, makes the difference between a smooth build and months of anxious guesswork. This is Part 5 of the Complete New Construction Buyer's Guide from Donnell Williams Jr. and DMV Prime Properties.

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How long does it take to build a new construction home in the DMV? Timelines vary by build type and builder, but Donnell Williams Jr. of DMV Prime Properties tells buyers that a production or semi-custom home in the DMV typically takes six to twelve months from groundbreaking to closing, while a fully custom home on your own lot commonly runs ten to eighteen months once design and permitting are included. Quick move-in homes that a builder already has under construction or completed can close far faster, sometimes within weeks. DMV Prime Properties tracks each stage of a client's build alongside them, attending the walkthroughs that matter most, and donnellwilliams.com covers what buyers should expect at every phase.

The Construction Sequence, Stage by Stage

Pre-construction (permitting and site prep): Before a shovel touches dirt, the builder secures permits, and the lot is prepped and excavated for the foundation. This stage is often invisible to buyers but can be one of the widest sources of timeline variation, since permit review queues differ significantly by jurisdiction and season.

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Foundation: The footings and foundation are poured and cured. This stage typically moves quickly for production builds but must fully cure before framing can begin, so rushing it is not an option regardless of how eager anyone is to see progress.

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Framing: The home's skeletal structure goes up, walls, floor systems, and roof trusses. This is one of the most visually exciting stages for buyers, since a lot suddenly starts to look like a house. Builders generally ask buyers to wait until framing is complete before doing a walkthrough, both for safety and to avoid disrupting the crew.

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Drying in: Once framed, the roof decking, flashing, shingles, and windows go on, along with water-resistant sheathing over the exterior walls. This is often called "drying the home in," since it protects the interior from weather so that mechanical work can begin. Rough plumbing is often started around this stage as well.

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Mechanical rough-in: Plumbing, electrical, and HVAC systems are installed inside the walls. Each trade typically requires its own inspection before work can proceed, and this stage is widely considered the most important one for a buyer to physically walk through, since it is the last point where these systems are visible before drywall closes everything up.

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Drywall and interior finish: After rough-in passes inspection, insulation and drywall go up, followed by taping, mudding, and sanding. This kicks off the longest single stage of the build, typically four to eight weeks, covering flooring, cabinets, countertops, interior trim, paint, and fixture installation.

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Final inspections and Certificate of Occupancy: A municipal building inspector reviews the completed home against permit drawings and code requirements. This is a government inspection, not a private one, and the home cannot close without a Certificate of Occupancy.

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Homeowner orientation and punch list: After the municipal sign-off, the builder walks the buyer through the completed home to document any remaining items, the punch list. A responsive builder typically addresses punch list items within five to ten business days.

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Closing: Your lender conducts a final appraisal, confirms your rate if it was locked during construction, and the sale closes.

The One Walkthrough You Should Never Skip

If you only prioritize one on-site visit during your entire build, make it the pre-drywall, mechanical rough-in walkthrough. Once drywall goes up, the electrical wiring, plumbing connections, and HVAC ductwork inside the walls become invisible without cutting into finished surfaces. This is the last point in the entire build where you, or your agent, can visually confirm that outlets, switches, vents, and plumbing lines are where they are supposed to be, before it is sealed away for the life of the home. Requesting this walkthrough a few days ahead of the official municipal rough-in inspection gives you a chance to flag anything questionable while it is still easy to fix.

What Actually Causes Delays

A handful of factors account for the large majority of new construction timeline overruns, and it is worth knowing which ones are within a buyer's control and which are not.

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Permit review queues. Some jurisdictions issue permits in a matter of weeks through digital portals, while others face multi-month backlogs due to plan reviewer workload. This is entirely outside a buyer's control and is worth asking about before signing, since it sets realistic expectations for the entire timeline.

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Late design selections. Cabinet, countertop, and finish selections have their own lead times, and missing a builder's selection deadline pushes those orders back, which delays trim-out by weeks. This is fully within a buyer's control, and the simplest way to protect your timeline is to make design decisions early and make them once.

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Change orders after construction begins. Moving a wall requires a re-inspection. Changing a window size may require a permit revision. Changing cabinet styles after ordering can trigger restocking fees and new lead times. Every change order after the fact creates a ripple effect through the rest of the schedule.

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Weather and material availability. Extended periods of rain or an early cold snap can push framing completion back by weeks, and certain structural materials, like engineered beams, can carry their own multi-week lead times that are largely outside the builder's control.

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Failed inspections. A failed framing or rough-in inspection typically costs one to three weeks while corrections are made and a re-inspection is scheduled, which is one more reason an experienced builder who gets it right the first time matters.

What This Means for Your Rate Lock and Your Housing Plans

Most builder contracts include force majeure language allowing extensions, sometimes six to twelve months beyond the original completion estimate, for weather, labor, supply chain, or permitting issues, typically without any compensation owed to the buyer. This has two practical implications. First, if you locked a mortgage rate early in the process, confirm the lock period actually covers a realistic worst-case completion date, not just the builder's optimistic estimate, since a rate lock expiring before closing can force a costly extension or relock. Second, if you are timing a move around a lease ending or a school year starting, build in a real financial and logistical buffer rather than planning around the builder's best-case timeline.

How This Applies Across the DMV

Washington DC: DC's permitting process can carry its own timeline variables given the District's specific review requirements, so buyers purchasing new construction condos or townhomes in DC should ask their builder directly about typical permit turnaround for that specific project.

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Maryland: Builders active in Prince George's County and at National Harbor, where Donnell Williams Jr. has guided buyers through 184 closed transactions from 2024 through June 2026, generally follow standard production timelines, though buyers should still confirm site-specific permitting expectations for their particular community. Learn more on the National Harbor page at donnellwilliams.com.

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Northern Virginia: With builders like Toll Brothers, Van Metre Homes, NVHomes, and CarrHomes actively building across Loudoun, Prince William, and Fairfax, fast-growing submarkets can occasionally mean framing crew availability affects start dates, so ask specifically about current crew scheduling for your community when you sign.

Frequently Asked Questions

How often should I visit my home during construction? You do not need to visit daily, but staying engaged at the major milestones, framing completion, pre-drywall rough-in, and the final punch list walkthrough, keeps you informed and gives you real opportunities to flag issues before they are sealed behind drywall or already corrected.

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Can I make changes once construction has started? Usually yes, but every change order after the fact has cost and timeline consequences, and some changes require permit revisions or re-inspections. Making your selections early and finalizing them once is the best way to protect your schedule.

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What if my home is delayed past the original completion date? Review your contract's force majeure and extension language, since most builder contracts allow delays for weather, labor, supply chain, or permitting issues without compensation to the buyer. Confirm your rate lock and any lease or housing plans account for this possibility.

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Do I need to attend the municipal final inspection? No, that inspection is conducted by a government building inspector reviewing the home against permit drawings and code, not by the buyer. Your relevant walkthrough is the homeowner orientation and punch list appointment that follows.

Stay Informed at Every Stage of Your Build

A new construction timeline has real milestones worth tracking, and real risks worth planning around. Donnell Williams Jr. and DMV Prime Properties stay engaged with clients throughout the build, attending the walkthroughs that matter most and flagging delays early rather than letting them surface at closing. Schedule time on Donnell's calendar once your home is under construction, or start with the first-time buyers page at donnellwilliams.com if you are still early in the process. If you will need to sell an existing home before your new build is ready, get a current value estimate here. Part 6 of this series covers inspections, upgrades, and how to negotiate with a builder once construction is underway.

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