Home Additions
in the Greater Boston, MA Area

2-Year Labor Warranty

Price Matching Available

Free Next-Day Estimates

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Transform Your Home with a Stunning Addition

Looking to expand your living space or add a touch of luxury to your home? L Costa Construction Inc specializes in creating beautiful, functional additions that enhance your lifestyle. With over 10 years of experience, we offer a range of home addition services to meet your needs.


From decks to sunrooms, we provide quality products and reliable services, ensuring your satisfaction every step of the way. Contact us today to discuss your addition project.


Why You Need a Home Addition

Home additions are a fantastic way to increase your living space and improve your home's value. Whether you're looking to create a relaxing outdoor area or need extra room for your growing family, L Costa Construction has you covered.


  • Expand your living space
  • Increase home value
  • Create a custom outdoor area
  • Accommodate a growing family
  • Add luxury and comfort
  • Enhance your lifestyle


Call (617) 870-8042 to start planning your home addition today.


Exceptional Benefits for Your Home Addition

Choosing L Costa Construction for your home addition means you'll enjoy a range of benefits designed to make your project seamless and stress-free.


  • Fast response time
  • Competitive pricing
  • Quality services and products
  • Free next-day estimates
  • Local, minority-owned business
  • In business since 2014
  • 2-year labor warranty
  • Fully insured with liability insurance and workman's comp
  • Price matching available with a written estimate


Request a call back to experience these benefits firsthand.


Contact L Costa Construction Inc

Ready to transform your home with a beautiful addition? Reach out to L Costa Construction today. Our team is eager to help you create the perfect space to meet your needs and enhance your lifestyle. Let's get started on your dream project!

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Over 10 Years of Experience

Put your trust in L Costa Construction to add a deck or sunroom to your existing home.

Call for a free next-day estimate!

(617) 870-8042

(617) 870-8042
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