Commercial Construction Specialists

Costello Construction has built a variety of commercial construction projects in the mid-Atlantic area, including Northern Virginia, DC and Maryland. We specialize in Higher Education, Fitness, Office Buildings and Parking Garages—for government organizations as well as private companies. We typically self perform all concrete and site work for the projects we construct.

Featured Projects

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Location: Downtown Columbia, MD
Owner: Downtown Columbia Arts
and Culture Commision
Architect: Design Collective

Merriweather Post
Pavilion (Phase 4)

LPS-FeaturedProject

Location: Downtown Columbia, MD
Owner: LPP Investors, LLC
Size: 280,000 SF + Parking
Value range: $70-$80 million
Architect: Core Group & DVA

Little Patuxent
Square

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Location: Silver Spring, MD
Owner: Montgomery County
Size: 90,000 square feet
Value range: $35-$40 million
Architect: The Lukmire Partnership
LEED: Gold

Silver Spring
Library

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Location: Silver Spring, MD
Owner: Dept. of Defense
Size: 20,000 square feet
Value: $10-$15 million
Architect: KlingStubbins

National Museum of
Health and Medicine

CivicCenter-FeaturedProject

Location: Silver Spring, MD
Owner: Montgomery County
Building Size: 44,555 square feet
Plaza Size: 44,024 square feet
Value range: Over $20 million
Architect: Machado & Silvetti Associates

The Civic Center
at Veteran's Plaza

Merriweather-FeaturedProject

Location: Columbia, MD
Owner: Downtown Columbia Arts & Culture Commission
Size: 14,000 square feet
Value range: $2.5 million
Architect: JP2 Architects

Merriweather
Phase 2

Current Projects

The Music Center at Strathmore:
Bou Terrace/Escalator Addition

Wheaton Library + Community Recreation Center

Wheaton Library + Community Recreation Center

Catonsville District Courthouse

Catonsville District Courthouse

US Naval Academy Parking Garage

Cyber Security Studies Parking Garage