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Black Dawg of Merrimack Valley and Seacoast

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Asphalt Sealing and Repair, in the Nashua and Manchester NH Area

Apron Replacement, Crack Sealing, Portsmouth, Concord NH

Free Estimates for Residential and Commercial Services

About Black Dawg of Merrimack Valley and Seacoast

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Black Dawg Sealcoat of Merrimack Valley & Seacoast has assembled a highly talented team of professionals dedicated to solving all your asphalt maintenance and repair needs.  We provide parking lot and driveway sealcoating, hot rubber crack sealing, saw cut asphalt repairs and parking lot striping.  At Black Dawg, we believe "Service is What We Sell!" and our owner, crews and office staff are ready to provide the Merrimack Valley and Seacoast areas of New Hampshire with the highest level of service and support in the industry.  Black Dawg Sealcoat was established in 2005, and several of or crew members have been here since the beginning.  
Black Dawg Sealcoat of Merrimack Valley & Seacoast is "A+" rated with the Better Business Bureau. We use the highest quality products and stand behind our workmanship like no other company in the area.
Don't forget to ask our representatives about any specials, promotions, discounts or coupons we may be offering. We are always advertising in the local papers, online, and door to door mailers. Just remember we cannot combine any offers. Offers are only valid for residential customers.
Here at Black Dawg Sealcoat of Merrimack Valley & Seacoast we believe that the early bird always gets the worm which is why we always offer a 10% discount if you book your work within 10 days.
Do you have 3 or more neighbors who want to schedule for the same day? We also have an excellent neighborhood promotional discount as our way of saying thanks for being environmentally friendly and allowing us to make one trip to your neighborhood.
Currently Servicing the following areas in New Hampshire: Pelham, Hudson, Nashua, Merrimack, Litchfield, Manchester, Hooksett, Concord, Pembroke, Epsom, Allenstown, Deerfield, Nottingham, Candia, Raymond, Auburn, Chester, Epping, Newmarket, Newfields, Lee, Durham, Newington, Portsmouth, Rye, Greenland, North Hampton, Stratham, Hampton, Exeter, Brentwood, Fremont, Danville, Sandown, Kingston, Kensington, Newton, Plaistow, Hampstead, Atkinson, Salem, Derry, Londonderry, and Windham.
We also service the following areas in Massachusetts: Methuen, Lawrence, Andover, Boxford, Groveland, Newbury, Newburyport, Salisbury, Amesbury, Merrimac, and Haverhill.

Black Dawg Asphalt Sealcoating & Repair
24 Wright Ave Merrimack, NH 03054
(603) 641-3294


  • Asphalt Sealcoating
  • Crack Sealing
  • Power Cleaning
  • Oil Treatment
  • Grass Edging
  • Patchwork
  • Saw Cut Repairs

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Free Estimates

Free Residential & Commercial Estimates

Black Dawg is happy to offer free written quotes for residential and commercial services. To request a free estimate, click here. The guaranteed written price quote will be delivered to you within days.
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Residential Services

Home & Property Sealcoating

Bring your driveway back to life! You probably don’t realize how damaged your driveway really is. Professional sealcoating and crack sealing of your homes driveway will save you money and prolong its life. Our unique process and materials will slow oxidation, prevent water penetration, and improve appearance.
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Commercial Services

Professional Commercial Sealcoating

A well maintained parking lot is a sign of success and is inviting to customers. Sealcoating, crack sealing, and line striping are required to maintain the integrity and appearance of your parking lot. Our perfected process and industry leading materials that are the key and guarantee stunning results every time!
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Sealcoating, Crack Filling & All Your Asphalt Needs

Tired of looking for a contractor you can trust? Look no further, Black Dawg understands the effect
that harsh elements have on your driveway or parking lot and we have the tried and true expertise to
take care of your sealcoating, crack sealing, and line striping needs.

Sealcoating, Crack Filling & All Your Asphalt Needs