(443) 645-4505Home Additions in Maryland
Expand your home without leaving it. Key Tov Construction is a licensed and insured home additions contractor serving Baltimore City, Baltimore County, Owings Mills, Towson, Mt. Washington, and surrounding Maryland communities.
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About Our Home Additions
Home Additions in Maryland — Expand With Confidence
Home additions, such as a master bedroom or in-law apartment, can enhance your current living space. Increasing the number of rooms in a house is a great way to boost its overall value. Home additions are a wise investment, allowing you to enjoy your home to its fullest potential. Renovating your house through additions can turn a likeable house into a beloved home.
As a leading home additions contractor serving Baltimore City, Baltimore County, Owings Mills, Towson, and Mt. Washington, Key Tov Construction strives to create charming retro or sleek contemporary designs that integrate seamlessly with your existing home. Our team is licensed, bonded, and dedicated to making your vision a reality.
- Room Additions & Bump-Outs — bedrooms, family rooms, dining rooms, sunrooms
- Master Suite Additions — luxury bedroom + ensuite bathroom combos
- Second-Story Additions — full floor builds for growing Maryland families
- In-Law Suites & ADUs — accessory dwellings with separate entrances
What We Build
Home Additions Services in Maryland
From single-room bump-outs to full second-story builds, we deliver home additions that blend seamlessly with your existing home across Baltimore City, Baltimore County, Owings Mills, and Towson.
Master Bedroom Additions
Add a luxury master bedroom or full suite with walk-in closet and ensuite bathroom — designed to integrate with your existing home.
Room Additions & Bump-Outs
Expand a kitchen, family room, dining room, or living space with custom additions sized perfectly to your home and budget.
Second-Story Additions
Full second-floor builds for growing Maryland families. Add bedrooms, bathrooms, or a complete upper level without changing your footprint.
In-Law Suites & ADUs
Accessory dwelling units and in-law apartments with separate entrances, kitchens, and bathrooms — perfect for multigenerational living.
Sunrooms & Three-Season Rooms
Bring natural light into your Maryland home with a custom sunroom or three-season addition built for year-round enjoyment.
Garage Additions & Conversions
Add a new garage to your property or convert an existing garage into usable living space — bedrooms, offices, or rec rooms.
Our Process
How We Build Your Home Addition
A clear, four-step process that keeps every Maryland home addition project on schedule and within budget.
3D Design & Rendering
We start with a 3D design so you can see exactly how your home addition will look before any construction begins.
Permits & Planning
We handle all Baltimore County, Baltimore City, and Maryland state permits — and coordinate with local inspectors.
Construction
Our licensed team handles foundation work, framing, plumbing, electrical, and finishing — all under one roof.
Final Walkthrough
We inspect every detail with you to ensure your new addition matches the design and meets your expectations.
Why Add Instead of Move
A Home Addition Is Smarter Than Selling
Selling a home and buying a new one is expensive and time-consuming. Between agent fees, moving costs, and inflated home prices, many Maryland families end up with less house than they started with.
If you love your current home but need more space for a growing family, an aging parent, or just better function — building a home addition is the smart move. You get exactly the space you need, keep the home you love, and add real long-term value to your property.
Average home additions return 50–80% of their cost in home value, and they let you stay in the neighborhood you already love.
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Home Additions We've Built in Maryland
Real home additions completed by Key Tov Construction across Baltimore City, Baltimore County, Owings Mills, Towson, and Mt. Washington, MD.
Service Areas
Home Additions Across Baltimore, MD
Key Tov Construction proudly builds home additions for homeowners throughout Baltimore City, Baltimore County, and surrounding Maryland communities.
Common Questions
Home Additions FAQ
Get answers to the most common questions Maryland homeowners ask before starting a home addition project.
Still have questions? Call us at (443) 645-4505 or verify our Maryland Home Improvement Commission license at mhic.maryland.gov.
Request Free EstimateShould I buy a new home or do a home addition?
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Why do homeowners opt for a room addition?
Where is the best place to add an addition to my home?
How much value does a master suite addition add?
What is a good size for a master bedroom suite?
How long does a home addition take to complete?
What Our Clients Say
Real Reviews from Baltimore Homeowners
Don't just take our word for it. Read what Baltimore City, Baltimore County, Owings Mills, and Towson homeowners say about our home additions work.
Ready to Expand?
Start Your Home Addition in Maryland Today
Whether you need a master suite, a second story, or a full in-law apartment, Key Tov Construction is the home additions contractor Baltimore homeowners trust. Serving Baltimore City, Baltimore County, Owings Mills, Towson, and beyond. Free estimates. No pressure. Just honest expertise.