About Forty West Builders
Since 1977, Forty West Builders has been dedicated to crafting high-quality homes and delivering personalized experiences. Founded by brothers Steve and Tim Costello, and now led by Patrick Costello, the company is committed to treating every customer like their first.
Renowned for innovative designs, functional floorplans, and superior craftsmanship, Forty West Builders stands out as a premier Maryland home builder. Their work has earned numerous awards from the Maryland Building Industry Association.
Focusing on customization, Forty West Builders empowers clients to design homes tailored to their lifestyles. From adding bedrooms to expanding living spaces, the team works to bring every vision to life.
Beyond construction, the company ensures lasting satisfaction with a comprehensive Homeowner’s Manual and dedicated service. At Forty West Builders, they don’t just build homes—they create communities where comfort meets convenience.
All Communities by Forty West Builders
Newest Communities by Forty West Builders
Contact Forty West Builders

- 3245 Pine Bluffs Dr
- 3067 Bethany Ln
- 9926 Frederick Rd
- 2933 Pinewick Rd
- 3422 Jay Dr
- 10331 Lombardi Dr
- 3205 Birchmede Dr
- 10212 Little Brick House Ct
- 3500 Rhode Valley Trail
- 3501 Dairy Valley Trail
- 3618 Font Hill Dr
- 3415 Coventry Court Dr
- 3034 Pebble Beach Dr
- 3643 Cragsmoor Ct
- 9808 Blue Ivy Way
- 9983 Calming Ct
- 9534 Longview Dr
- 9976 Baker Ln
- 9924 Baker Ln
- 9940 Baker Ln
- 9935 Baker Ln
- 9984 Baker Ln
- 9933 Baker Ln
- 9952 Baker Ln
- 3067 Bethany Ln
- 9808 Blue Ivy Way
- 9983 Calming Ct
- 9976 Baker Ln
- 9935 Baker Ln
- 9965 Wisteria Ln
- 9959 Wisteria Ln
- 0 Wisteria Ln Unit CAROLINE MDHW2054750
- Bethany Glen - Bethany Glen 55+ Villas
- 9799 Blue Ivy Way
- 9801 Blue Ivy Way
- Bethany Glen - Bethany Glen 55+ Villas
- 9969 Baker Ln
- 9980 Baker Ln
- 9920 Baker Ln Unit 36143870
- Westmount
- 3676 Westmount Pkwy
- 3684 Westmount Pkwy
- 1701 Brickell Way Unit 36143876
- 4703 Pratchett Ln