Home Additions in Purchase, NY

Westchester Home Addition Service Serving Purchase

Wings, primary suites, sunrooms and garage additions for Purchase homes on larger lots. Harrison permits, septic questions and material matching handled by a Guardian project manager.

More Room on Purchase Properties

Purchase is the quietest corner of Harrison: large wooded lots, stone walls and long driveways, a short drive from Westchester County Airport, SUNY Purchase and Manhattanville. Houses range from mid-century homes to large colonials and stone or shingle estates, and owners here are more likely to add a whole wing than a bump-out.

Because lots are larger, zoning is rarely the only limit. Site work, drainage, trees and, on some properties, septic capacity have as much influence on where an addition can go.

What Shapes a Purchase Addition

Harrison approvals. The Building Department, and the Planning or Zoning Board when size or setbacks call for it.
Sewer or septic. Additional bedrooms on septic may need a County Health Department review.
Site access. Equipment routes that avoid lawns, trees and stone walls.
Drainage. Runoff from new roof and paved areas managed on site.
Materials. Stone, shingle, siding and roofing matched to the main house.

We work through those points with you and your architect before drawings are final.

Additions We Build in Purchase

Primary suite wing

A first-floor suite for comfort and aging in place.

Family room or sunroom

Glass and light toward the yard, built for year-round use.

Garage with room above

Space for cars plus an office, gym or guest room.

Kitchen expansion

A larger kitchen with dining space and a mudroom.

Our Process

1. Site visit

We look at the house, grounds and what you want to add.

2. Planning

Zoning, septic and access issues listed with a budget range.

3. Design and permit

Drawings finished, priced and submitted to Harrison.

4. Construction

Licensed, insured subcontractors supervised by Guardian.

5. Completion

Final inspection and our written one-year workmanship warranty.

Purchase Home Addition FAQs

Who issues permits for an addition in Purchase?

Purchase is a hamlet in the Town/Village of Harrison, so building permits come from the Harrison Building Department. Depending on the size and location of the addition, Harrison’s Planning Board or Zoning Board may review it as well.

Will a larger addition need a septic review?

Some Purchase properties are on private septic systems. If an addition adds bedrooms to a house on septic, the Westchester County Department of Health may need to review the system’s capacity. We confirm sewer or septic at the first visit.

Can an addition match an older stone or shingle house?

Yes. On larger Purchase properties, we often match stone veneer, cedar shingles or clapboard, slate or architectural roofing and existing window styles. We source samples early so the materials can be approved before ordering.

Do you work on large estates?

We work on homes of many sizes. On larger properties, we pay particular attention to access for equipment, tree protection, drainage and keeping the rest of the grounds usable while we build.

We also build additions in Harrison, Rye and Armonk.

Adding On in Purchase?

Share your address and what you’d like to add. We’ll follow up with a visit and a written estimate.

Guardian Remodeling Corp · 143 Lake Shore Dr W, Carmel, NY 10512 · 914-912-0385 · Frank@guardianremodelingcorp.com