Business Details
29 Years
experience
Emergency
services
Trusted Commercial Asphalt Paving Services
Since 1997, Grade Line has established itself as a premier commercial paving contractor serving the Mid-Atlantic region. Our team delivers innovative solutions and superior craftsmanship to businesses and institutions across Maryland, Washington D.C., and the greater Baltimore-Washington corridor. With over 25 years of experience, we specialize in asphalt paving, utility patching, milling services, and concrete flatwork, prioritizing quality work with cost efficiency. We maintain certifications from Anne Arundel, Baltimore County, Harford, Howard, and Prince Georges Counties, plus Baltimore City, ensuring compliance with municipal and state project standards. Our service area spans Maryland, Southern Pennsylvania, Delaware, Washington D.C., and Northern Virginia, where we provide top-quality workmanship for projects of all sizes.We emphasize safety, efficiency, and durability in every job, offering quick quotes and exceptional customer satisfaction from project inception to completion. Our expertise includes working with property management firms, general contractors, utility suppliers, and state agencies, including the Maryland State Highway Administration. We combine precision milling, proper base preparation, and professional compaction to ensure long-lasting pavement integrity. Our emergency response capabilities and flexible scheduling minimize traffic disruption while meeting municipal specifications. With decades of experience and a commitment to excellence, Grade Line remains a trusted partner for commercial asphalt solutions.
Services
Asphalt Paving
Utility Patching
Milling Services
Concrete Flatwork
Crack Sealing
Striping & Safety
Partial Depth Patching
Full Depth Patching
Curb & Gutter Installation
ADA-Compliant Ramps
Details
- Year established: 1997
Highlights and features
- We have over 25 years of experience in commercial asphalt paving.
- Our team is certified by five Maryland counties and Baltimore City.
- We provide emergency response capabilities for urgent pavement repairs.
- We maintain compliance with Maryland SHA and municipal specifications.
- Our service covers five states in the Mid-Atlantic region.
Associations and certifications
- Anne Arundel County Certified Contractor
- Baltimore County Certified Contractor
- Harford County Certified Contractor
- Howard County Certified Contractor
- Prince Georges County Certified Contractor
- Baltimore City Certified Contractor
What people say
Second to none quality
Amazingly fast and thorough
Fantastic job
Highly recommend this company
Professional and friendly employees
Services
Asphalt Paving
Grade Line delivers expert asphalt paving for roads, parking lots, and commercial properties. Our process includes proper base preparation, quality asphalt installation, and professional compaction to ensure durable, long-lasting surfaces. We serve businesses, municipalities, and contractors across the Mid-Atlantic region with reliable solutions.
Utility Patching
Our utility patching services address infrastructure maintenance for water, sewer, gas, and telecommunications installations. We combine precision milling and structural repairs to restore pavement integrity while meeting municipal specifications. Emergency response options minimize disruptions for critical repairs.
Concrete Flatwork
We provide ADA-compliant concrete flatwork including sidewalks, ramps, and parking pads. Our installations feature proper reinforcement and drainage solutions for commercial durability. Services meet code requirements while complementing existing asphalt surfaces for cohesive results.
Milling Services
Gradeline operates a comprehensive fleet of milling machines for commercial pavement removal. We handle projects from small parking lots to large-scale roadways, offering debris removal and surface cleaning. Competitive machine rental options available with experienced operators for contractors.
Crack Sealing
Our crack sealing process prevents moisture intrusion with precise temperature control and material application. Two coats of high-grade coal tar sealer protect asphalt from UV damage and chemical exposure. This cost-effective solution extends pavement lifespan significantly.
Questions
What commercial paving services do you offer?
We provide asphalt paving, utility patching, milling services, concrete flatwork, crack sealing, striping, and ADA-compliant ramp installations for commercial properties and municipalities.
Which areas do you serve?
Our service area includes Maryland, Southern Pennsylvania, Delaware, Washington D.C., and Northern Virginia, covering the entire Baltimore-Washington corridor.
Are you certified for municipal projects?
Yes, we're certified by Anne Arundel, Baltimore County, Harford, Howard, and Prince Georges Counties, plus Baltimore City for state and municipal contracts.
Do you handle emergency pavement repairs?
Yes, we offer emergency response capabilities for urgent utility repairs and pavement failures with 24-hour availability and rapid turnaround times.
