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ZAVALA & SONS
Home Improvement

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Something Great

Hammers are swinging on our new digital home. Same family, same crew, same promise. Premium remodeling done right the first time, and we'll be back online soon.

Wilmington, DE·(302) 781-2834·Licensed & Insured
9:415G
Licensed
Remodeling You'd Recommend.
Free Estimate
200+
Projects
15+
Years
5★
Rated
Services
One crew. Every part of your home.
Kitchens
Bathrooms
Additions
Decks

"Communication was constant and the craftsmanship is incredible."

Sarah M, Hockessin
Let's start with a free estimate.
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Sneak Peek
Zavala & Sons

Local in Glen Mills, PA

Additions in Glen Mills, PA

Add the space your family deserves. Second stories, in-law suites, sunrooms and full-scale additions built to blend seamlessly with your existing home. A father-and-sons crew with decades of building experience, serving Glen Mills homeowners and the surrounding region.

  • Local to Glen Mills & familiar with PA codes
  • Free written, itemized estimates
  • Licensed, insured & W-2 crew
  • Workmanship warranty in writing
Call (302) 781-2834 See Recent Work

Free Additions Estimate in Glen Mills

We respond within 1 business day.

No obligation. Licensed & insured. We respond within 1 business day.

Additions in Glen Mills

What additions projects look like in Glen Mills

The Glen Mills homes we work in are mostly 1990s–2020s, typically custom suburban builds and large-lot colonials. We've completed projects across Glen Mills, Concord Township, and Thornbury.

Glen Mills lots are typically larger, full additions, detached garages, and outdoor living builds work well here because there's room to expand without compromising the existing footprint.

Recent in Glen Mills

Additions project examples we've delivered in the area

$130K–$200K

two-story addition with primary suite

Concord Township

$50K–$95K

outdoor kitchen and pavilion

a Glen Mills custom build

$70K–$110K

finished walkout basement + wet bar

Thornbury

Project examples reflect typical scopes and budget ranges for the area. Final estimates always written, itemized, and free.

What we build in Glen Mills

Additions services for Glen Mills, PA homeowners

Whether you're refreshing a single room or planning a full additions project in Glen Mills, our family-run crew handles every step, design, permits, build, finish, and final walkthrough, without subbing the work out to a stranger.

  • Second-story additions
  • In-law suites & ADUs
  • Sunrooms & bump-outs
  • Garage conversions
  • Permit & engineering coordination
  • Roof tie-ins & HVAC extension

Typical additions pricing in Glen Mills

Tier
Bump-Out or Sunroom
$40,000–$100,000
Tier
Single-Story Addition
$100,000–$250,000
Tier
Second-Story or Whole-Home Addition
$250,000+

Our process in Glen Mills

  1. 01

    Free Estimate

    We meet at your home, listen to your vision, and provide a clear written quote.

  2. 02

    Design & Plan

    We finalize materials, scope, timeline, and pull all required permits.

  3. 03

    Build

    Our crew shows up on time, cleans up daily, and keeps you updated weekly.

  4. 04

    Walkthrough

    Final inspection together, punch list completed, written workmanship warranty.

Additions FAQs from Glen Mills homeowners

How much does a home addition cost in Glen Mills, PA?

Home additions in Glen Mills typically run $40,000 for a small bump-out to $250,000+ for a second-story or in-law suite. Cost depends on foundation work, roof tie-ins, HVAC extensions, and finish level. Every estimate is written and itemized.

How long does an addition take?

Most additions take 4–8 months from signed contract to final walkthrough. Design and engineering 4–6 weeks, permits 4–8 weeks, foundation 2–3 weeks, framing through finishes 3–5 months.

Do I need a permit and engineering for an addition?

Yes, additions require a building permit, structural engineering, and county or municipal inspections. Zavala & Sons coordinates the architect, engineer, and permit office for you so you don't chase paperwork.

Are you licensed and insured?

Yes. Zavala & Sons holds a Delaware business license, full general liability insurance, and workers compensation coverage. We provide a current Certificate of Insurance on request.

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