Licensed & Insured General Contractor

Westchester's
Trusted General
Contractor

Quality craftsmanship for residential and commercial projects — from full home renovations to apartment building maintenance and property management contracts. Serving all of Westchester County, NY since 2016.

Licensed & Insured
Since 2016
On Time & On Budget
Residential & Commercial
What We Do
Our Services

From small repairs to full-scale construction — if it involves your property, we handle it.

Kitchen Remodeling
Custom cabinetry, granite countertops, tile backsplash, and full layout changes tailored to your space.
Bathroom Remodeling
Full gut jobs to partial updates — tile, vanities, plumbing fixtures, and walk-in showers done right.
Basement Finishing
Transform unused space into a living area, home theater, or guest suite with expert finishing work.
Roofing
Repairs, replacements, and new installations for residential and multi-family properties throughout Westchester.
Flooring Installation
Hardwood, laminate, LVP, and tile installed with precision — any room, any size.
Deck Building
Custom decks built to code in pressure treated, composite, or hardwood — designed to last decades.
Home Additions
Room additions, second-story builds, and structural expansions handled from permit to punch list.
Building Maintenance
Ongoing maintenance contracts for apartment buildings and commercial properties. Reliable and responsive.
Our Work
Recent Projects

Real projects across Westchester County — every job done with the same care regardless of scope.

Kitchen remodel
Kitchen Remodel
Full Kitchen Renovation
White shaker cabinets, granite countertops, subway tile backsplash & new stainless appliances — Westchester County
Bathroom renovation
Bathroom Remodel
Full Bathroom Renovation
Marble vanity top, subway tile shower surround & brushed nickel fixtures — Yonkers, NY
New construction
New Construction
New Home Build
Siding, framing, and exterior work on a new residential build — Westchester County
Kitchen remodel angle 2
Kitchen Remodel
Kitchen — Full View
Custom cabinetry to ceiling, French door refrigerator & hardwood floors — Westchester County
Apartment building exterior
Multi-Family
Apartment Building — Exterior & Siding
Complete exterior renovation on a multi-unit residential building — full siding, roofline, and trim work
Deck construction
Outdoor
Custom Deck Build
Pressure-treated wood deck with stair railings — built to code, built to last
Before - framing
Before
Framing Stage
After - completed exterior
After
Completed Exterior
Built on Trust,
Finished on Time

O.S. Home Improvement LLC has been serving Westchester County homeowners and property managers since 2016. Owner Oleh Semenko built this company on one principle: do the job right, communicate clearly, and leave every site cleaner than you found it.

We handle both residential renovations and commercial property maintenance contracts — from a single bathroom remodel to full apartment building upkeep. Licensed, insured, and proud to serve all of Westchester County, NY.

9+
Years in Business
200+
Projects Completed
100%
Licensed & Insured
5★
Average Rating
What Clients Say
Real Reviews
★★★★★

"Oleh and his team were fast, efficient, and easy to work with. We renovated our unfinished basement into a finished living space in just over three weeks. Very communicative throughout and addressed every question. Highly recommend."

Verified Homeowner
HomeAdvisor Review
★★★★★

"They finished ahead of schedule and on budget. I was so impressed with the craftsmanship and attention to detail on our bathroom renovation. Oleh and his team were responsible, friendly, and a pleasure to have in our home."

Verified Homeowner
Houzz Review
★★★★★

"Oleh and his crew are terrific. I hired them for one bathroom and was so happy with the result I hired them again for two more. True professionals — punctual, communicative, and very clean. There's real pride in their work."

Verified Homeowner
Angi Review
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(914) 433-9161Call or text anytime
Yorktown Heights, NY 10598Serving all of Westchester County
Mon – Fri, 9am – 5pmAll inquiries answered within 24 hours
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