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Our Story
At Old Line Construction, Inc we provide general construction services to industrial, government, commercial, and noncommercial clients. Our team has over 40 years of experience in the general construction business and has worked on a vast number of projects. Some of our clients include: WSSC, MDSHA, NAVFAC, National Park Service, JBAB, MCB Quantico, Department of the Interior, Greenbelt Homes, Baltimore County Government, and City of Rockville. We are a heavy highway construction business specializing in underground utilities including but not limited to: water mains, sewers, storm drainage, excavation, pump stations, clearing and grubbing, stream restoration, and demolition. We complete work throughout the DC, Maryland, and Virginia area. We take your trust seriously, which is why we do high-quality work at an affordable price.
Contact us for more questions: info@oldlineconstructioninc.com
What We Do
Commercial Experience
Civil & Site Development
Misc Project
Non-Building Construction
Sewage / Water Treatment Plant
Tennis Court
Utilities
Apartments & Condominiums
Arena / Stadium
Athletic Field
Bridge
City / Town Hall
Club House / Community Center
Dams & Levies
Education (K-12)
Fire / Police Station
Government
Historic Preservation
Industrial Maintenance
Jail / Prison
Military
Museum
Non-Residential Building
Office Building
Park / Playground
Parking Garage
Parking Lots
Power Generation & Distribution
Pre-Manufactured Structures
Renewable Energy
Residential Building
Road / Highway
School / College / University
Secure and Shielded Facilities
Single Family Residential
Storage Facility / Warehouse
Terminal - Airport / Bus / Railroad
Theme Park
Regions & Counties Serviced
- Washington D.C.
District Of Columbia All
Maryland 17
- Anne Arundel
- Baltimore
- Baltimore City
- Calvert
- Caroline
- Carroll
- Charles
- Dorchester
- Frederick
- Harford
- Howard
- Montgomery
- Prince Georges
- Queen Annes
- Saint Marys
- Talbot
- Washington
Virginia 17
- Alexandria (City Of)
- Arlington
- Culpeper
- Fairfax
- Fairfax (City Of)
- Falls Church (City Of)
- Fredericksburg (City Of)
- King George
- Loudoun
- Manassas (City Of)
- Prince George
- Rappahannock
- Richmond (City Of)
- Roanoke (City Of)
- Spotsylvania
- Stafford
- Winchester (City Of)
Our CSI Codes
01 53 26 - Temporary Runarounds
01 55 19 - Temporary Parking Areas
01 55 23 - Temporary Roads
03 37 23 - Roller-Compacted Concrete
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 01 10 - Maintenance of Clearing
31 01 20 - Maintenance of Earth Moving
31 01 50 - Maintenance of Excavation Support and Protection
31 06 10 - Schedules for Clearing
31 06 20 - Schedules for Earth Moving
31 11 00.00.01 - Clearing and Grubbing
31 12 00.00.01 - Selective Clearing
31 14 13 - Soil Stripping and Stockpiling
31 14 13.13 - Soil Stripping
31 14 13.16 - Soil Stockpiling
31 14 16 - Sod Stripping and Stockpiling
31 14 16.13 - Sod Stripping
31 14 16.16 - Sod Stockpiling
31 20 00.00.01 - Earth Moving
31 21 16.13 - Methane Venting
31 22 13 - Rough Grading
31 22 16 - Fine Grading
31 22 16.13 - Roadway Subgrade Reshaping
31 22 19 - Finish Grading
31 22 19.13 - Spreading and Grading Topsoil
31 23 16 - Excavation
31 23 16.13 - Trenching
31 23 16.16 - Structural Excavation for Minor Structures
31 23 16.26 - Rock Removal
31 23 33 - Trenching and Backfilling
33 01 10 - Operation and Maintenance of Water Utilities
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 06 10 - Schedules for Water Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 09 10 - Instrumentation and Control for Water Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 10 00.00.01 - Water Utilities
33 11 13 - Public Water Utility Distribution Piping
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
34 01 13 - Operation and Maintenance of Roadways
34 01 43 - Operation and Maintenance of Bridges
34 05 13 - Common Work Results for Roadways
34 05 43 - Common Work Results for Bridges
34 06 13 - Schedules for Roadways
34 06 43 - Schedules for Bridges
35 41 16 - Levee Cutoff Trenches
40 23 36 - Sanitary Water Process Piping
