Portsmouth, NH
ASPHALT PAVING IN
PORTSMOUTH, NH
603 Asphalt delivers professional driveway paving, parking lot paving, sealcoating, and repairs throughout Portsmouth and the surrounding Seacoast. Licensed, insured, and locally trusted.
PORTSMOUTH'S TRUSTED PAVING CONTRACTOR
Portsmouth's mix of historic homes, busy commercial corridors, and coastal weather demands a paving contractor who knows the region. 603 Asphalt has been serving Portsmouth and the Seacoast for years — we understand the freeze-thaw cycles, the soil conditions, and what it takes to build asphalt that lasts.
Free
On-Site Estimates
No obligation, no pressure
5★
Rated on Google
47+ verified reviews
100%
Licensed & Insured
NH contractor, fully covered
SERVICES IN PORTSMOUTH, NH
Everything your pavement needs — from new installs to ongoing maintenance.
Driveway Paving
New installations and full replacements for Portsmouth-area homeowners.
Parking Lot Paving
Commercial asphalt for Portsmouth businesses, retail centers, and HOAs.
Sealcoating
Protective sealcoating to extend pavement life against NH coastal weather.
Crack & Pothole Repair
Fast repairs before freeze-thaw cycles turn small cracks into big bills.
Milling & Reclaiming
Cost-effective full-depth reclamation for worn-out surfaces.
Tennis & Pickleball Courts
Court paving and color coatings for Portsmouth parks and residences.
"603 Asphalt repaved our entire driveway and did a fantastic job. Clean work, fair price, and they were done in a day. Highly recommend to anyone in Portsmouth."— Dave M., Portsmouth NH
ALSO SERVING NEARBY TOWNS
Rye, NHGreenland, NHNewington, NHStratham, NHNorth Hampton, NHNew Castle, NH
READY FOR A FREE ESTIMATE IN PORTSMOUTH?
Call 603-ASPHALT or fill out our quick quote form. We'll get back to you within 24 hours.