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Central Indiana(765) 729-7141
Form Building Company
Yorktown, IN · Delaware County

Home Addition Contractor
in Yorktown, IN.

We build home additions in Yorktown, IN — room additions, second stories, in-law suites, and bump-outs that fit the home you already have. Yorktown is just minutes from our Muncie shop, and it's where many of our team members live. We build new homes, additions, and full renovations across Yorktown Estates and the lots along the White River corridor. Most additions in Delaware County involve careful work with existing structure, foundations, and rooflines, and that's where the difference between a good builder and a careful one shows up.

Why Yorktown

A builder who knows Yorktown.

Form Building Company is based at 2947 N Oakwood Ave in Muncie, IN — 15 minutes from our Muncie shop. We've worked across Delaware County for years and know the inspectors, the suppliers, and the neighborhoods.

Neighborhoods we work in
Yorktown Estates · Mt. Pleasant · White River corridor · West Jackson
Local landmarks
White River · Yorktown Town Park · Morrow’s Meadow
County
Delaware County, IN
From our shop
15 minutes from our Muncie shop
What's included

How we approach home additions in Yorktown.

Every home additions project we run in Yorktown follows the same proven process — from the first site visit to the final walk-through.

  • 01

    Room additions

    Family rooms, primary suites, and home offices that match the original home in scale, finish, and feel.

  • 02

    Second-story additions

    Doubling your footprint without losing your yard. We engineer the load path and protect what's below.

  • 03

    In-law / accessory suites

    Private suites for parents, adult children, or guests — code-compliant and designed for long-term use.

  • 04

    Bump-outs & dormers

    Smaller-scale additions that solve a specific problem (a bigger kitchen, a real mudroom) without overhauling the home.

  • 05

    Garage additions

    Attached and detached garages, sometimes with finished space above. Sized and finished to match the home.

  • 06

    Permits & engineering

    We handle the structural engineer, permits, and inspections — and we work clean so the existing home stays livable through the build.

Common Questions

Home Additions in YorktownFAQs.

How much does a home addition cost in Yorktown, IN?

Most home additions in Yorktown and Delaware County fall between $200–$400 per square foot, depending on whether you're adding to the foundation, going up a story, or extending mechanicals. We give you a detailed estimate after a site visit so the number reflects your actual home — not an industry average.

Can we live in the home during the addition?

In most cases, yes. We zone the work, dust-protect the existing home, and sequence the cut-ins to keep things livable. For larger jobs (whole-floor additions, kitchen + addition combos), we'll talk through whether a short-term move makes sense.

How long does a typical addition take?

Smaller additions (300–500 sq ft) usually run 3–5 months once permits are in. Second-story or whole-wing additions are typically 6–9 months. Design and engineering can add 2–4 months on the front end depending on scope.

Do you handle the architect and engineering?

Yes. We work with trusted architects and structural engineers across Central Indiana, or we'll work alongside yours. For most additions we recommend involving us early so the budget and structural approach line up before drawings get expensive to change.

Home Additions elsewhere

Home Additions in other Central Indiana cities.

We build home additions across all of Central Indiana — explore the closest neighboring areas to Yorktown.

Get In Touch

Start your Yorktown home additions project.

Tell us about your home in Yorktown — what you're picturing, the timeline you're working with, and the way you live. We'll be in touch personally, usually within 48 hours.