Home Additions in Arnold, MD

Expert home additions in Arnold, MD. Coalition Construction builds room additions, suite expansions & more in Arnold. Call (410) 431-1892.

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Home Additions in Arnold, Maryland

Arnold homeowners who need more living space have a powerful option that doesn’t require uprooting their family or leaving a neighborhood they love: a custom home addition by Coalition Construction.

We build expertly crafted home additions throughout Arnold, MD, ranging from single-room expansions to full second-story builds — all designed to blend naturally with your existing home and serve your family’s needs for years to come.

Home Addition Types in Arnold, MD

  • Bedroom additions — guest rooms, children’s rooms, master suite expansions
  • Bathroom additions — master baths, Jack-and-Jill baths, powder rooms
  • Family room and living room additions
  • Kitchen expansions with additional counter and cabinet space
  • In-law suite additions with separate entrances and full bathrooms
  • Sunrooms and four-season room conversions
  • Mudrooms and entryway additions for storage and organization
  • Second-story additions for maximum square footage gain

The Case for Adding On in Arnold

Arnold’s established neighborhoods near Broadneck Peninsula, the Magothy River, and Stoney Creek offer something newer communities often can’t: mature trees, established infrastructure, and community character. Many Arnold homeowners have been in their homes for years and have strong ties to the area. A home addition makes it possible to meet growing family needs without sacrificing the location and community that make Arnold special.

Home Addition Cost in Arnold, MD

Home addition costs in Arnold vary based on scope and size. Single-room additions typically start around $60,000–$100,000. In-law suites and master suite additions may start at $80,000 and above. Contact Coalition Construction for a free, detailed estimate for your specific Arnold property.

Our Work Process in Arnold

Site Visit & Consultation

We evaluate your Arnold property and listen to your goals

Plans & Specifications

Detailed design drawings and material specifications

Permits

Full Anne Arundel County permit management

Construction

Framing, mechanical rough-in, insulation, and complete interior finishes

Final Walkthrough

Your complete satisfaction before project closeout

FAQs

Anne Arundel County has specific setback requirements for home additions, which vary by zone. Coalition Construction will assess your property's setback allowances during the initial consultation to ensure your addition is feasible and properly sited.

Yes. We frequently incorporate bathrooms — full baths, en suites, or powder rooms — into home additions. Our team handles all plumbing rough-in, tile work, fixture installation, and finishes.

Most home additions in Arnold take between 3 and 5 months from permit approval to completion. We provide a firm project schedule at the start of every engagement.

Contact Us

  • Phone: (410) 431-1892 
  • Email: coalitionllcmd@gmail.com 

Call now for a FREE estimate — no obligation, no pressure!

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Areas We Serve

Pasadena, MD
Severna Park, MD
Arnold, MD
Annapolis, MD
Davidsonville, MD

Not sure if we cover your area? Give us a call at (410) 431-1892 — we’re happy to discuss your project.