🏠 Home Additions · Maryland

Home Additions in Maryland

Homeowners in Maryland trust Pro House Maintenance for Home Additions because every project begins with a free, fixed-price estimate. Our licensed, insured crew handles all Home Additions work from start to finish, with costs typically running $40,000–$150,000 per project. Every job gets a clean site, honest pricing, and a crew we stand behind.

Free
Estimates
Licensed
& Insured
Vetted
Local pros
Architectural drawings and permit filingFoundation or structural modification workFraming, roofing, windows, and exterior finishInterior drywall, insulation, flooring, and trim
A vetted, licensed home additions professional at work
Your pro

Matched with a vetted home additions specialist in Maryland.

Every home additions job goes to a licensed, insured, background-checked professional from our own crews or hand-vetted local network, never a random subcontractor.

  • Licensed & insured, background-checked pros
  • Free, fixed-price written estimate before work begins
  • Top-rated local specialists matched to your job
Get a free estimate
By the numbers

Home Additions statistics: what the data says

Current industry and government data on home additions, with every figure linked to its source. These national benchmarks help Maryland homeowners judge a fair home additions quote before hiring a pro.

  • The average home addition costs about $51,032, with most projects between roughly $21,910 and $83,349 (Bankrate).
  • An ADU averages roughly $180,000 nationally, ranging from about $40,000 to $360,000 by type and finish (SelfStorage.com).
  • About 1.4 million US single-family homes have an ADU, and first-time ADU listings grew about 8.6% per year over the decade studied (Freddie Mac).
  • In California, ADUs are now about 19% of new housing, with 83,865 permitted between 2016 and 2022 (California YIMBY).

Read the full home additions statistics report →

In Maryland, Pro House Maintenance handles home additions for homeowners in Baltimore and beyond. Work is done by licensed, insured pros, priced up front at a typical $40,000–$150,000 per project, and backed by a free written estimate before it begins.

Permitted room additions, bump-outs, and second-story additions, foundation through roofline, fully integrated with your existing home.

What does home additions include in Maryland?

A home additions project in Maryland typically covers 5 core areas, starting with architectural drawings and permit filing. Pro House Maintenance handles the full scope with a licensed, insured local crew and a free, fixed-price written estimate before any work begins.

  • Architectural drawings and permit filing
  • Foundation or structural modification work
  • Framing, roofing, windows, and exterior finish
  • Interior drywall, insulation, flooring, and trim
  • Electrical and HVAC integration

How does home additions work in Maryland?

Home Additions in Maryland follows 4 clear steps, from site evaluation and design to a final walkthrough. A vetted local pro manages the schedule, keeps the site clean, and does not consider the job done until you are satisfied.

/01

Site evaluation and design

We assess your foundation, roofline, and utility runs, then work with a licensed architect to produce permitted drawings.

/02

Structural and foundation work

Footings, foundation extensions, or beam work are completed and inspected before framing begins.

/03

Framing and envelope

Walls, roof structure, windows, and exterior cladding are installed to match your home's existing profile.

/04

Interior finish

Insulation, drywall, flooring, and trim complete the addition so it's seamless with the rest of your home.

Cost

How much does Home Additions cost in Maryland?

Home Additions in Maryland typically runs $40,000–$150,000 per project, depending on scope and materials. Pro House Maintenance gives every Maryland homeowner a free, fixed-price written quote before any work starts.

Home Additions in Maryland at a glance
DetailWhat to expect
Typical cost$40,000–$150,000 per project
EstimateFree, fixed-price written quote
CrewsLicensed & insured, vetted local pros
Service areaMaryland and surrounding communities

Where do you offer Home Additions in Maryland?

FAQ

Home Additions in Maryland: questions answered.

Do you offer home additions throughout Maryland?

Yes. Pro House Maintenance provides home additions across Maryland, with licensed crews serving its major metros and surrounding communities. Request a free estimate and we'll confirm scheduling for your address.

How long does a home addition take?

Most room additions take two to four months from permit approval, with timeline driven by foundation work, framing, roofing, and interior finish sequencing. Second-story additions or projects with significant square footage run four to six months. We build a phase-by-phase schedule into your contract with milestone dates so expectations are clear and trackable from day one.

Will the addition match my existing home?

Yes. We source matching siding, roofing, trim profiles, and window styles so the addition reads as original to the house rather than bolted on. Our architects review the exterior elevations and roofline integration before framing begins. Interior transitions (flooring, ceiling height, trim details) are also designed to flow seamlessly between the existing structure and the new space.

Reviews

What homeowners say about home additions.

★★★★★

"Our new primary suite addition matched the existing rooflines exactly. You'd never know it wasn't original."

Hannah S. · Baltimore, MD · Home Additions
★★★★★

"They managed permits, foundation, framing, and finish for our addition without a hitch."

Grace T. · Baltimore, MD · Home Additions
★★★★

"The sunroom addition is now our favorite room. On schedule despite a rainy stretch."

Aisha R. · Baltimore, MD · Home Additions

Key takeaways

  • Home Additions in Maryland from Pro House Maintenance starts with a free, fixed-price estimate and no obligation.
  • Typical home additions projects in Maryland run $40,000–$150,000 per project.
  • All crews are licensed, insured, and vetted local professionals.
  • All crews are licensed and insured.
  • Financing is available for qualified homeowners.
  • Pro House Maintenance serves homeowners statewide across Maryland and surrounding communities.
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