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TRUSTED BY ALTADENA, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon82
    Verified driveway sealcoating reviews

Top-Rated Driveway sealcoating pros in Altadena - Updated Nov 2026

KP Earthwork & Paving
3.6(
14
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Ken is very knowledgeable and professional. My backyard was not draining well in the last rain after a garage extension. He graded the soil and built a paving stone walkway. When I couldn't find anyone to put sods on the soil, he took on the job and did a great job. I am very happy with the work."
 parking lot during
 parking lot after
 swimming pool
 drainage trench
Recommended by100%of homeowners
Avatar for Del Rey Paving
Del Rey Paving
4.5(
110
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"EXCELLENT. A company messed up on my driveway, and I was in a bind to find another contractor to fix it. After searching a number of other companies, Del Rey stepped up with the best value and perfect work!!!!"
REMOVAL AND INSTALL BASE
Grading for proper drainage
Rock Base
Grading
Grading

+25

Recommended by87%of homeowners
Avatar for Professional Pavement Management
Professional Pavement Management
4.9(
20
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 2000

Free estimates

Warranties offered

"The are hard working professionals. Eddie showed up precisely on time for our estimate appointment and kept an open line of communication throughout. The crew appeared on time and removed and replaced a 60+ year old driveway. The job was completed quickly and with precision. New driveway is gorgeous and I could not be a happier customer. Nor can I recommend this company more highly. A beautiful job at a reasonable price. Thank You to Eddie and his crew!"
Sealcoat preparation,
Sealcoat coat applied
Sealcoat
Re- striping parking stalls & handicap
Completed

+35

Response time1 day
Response rate89%
Recommended by100%of homeowners
Avatar for Hailey's Blacktop Service
Hailey's Blacktop Service
4.4(
16
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 1995

Free estimates

Warranties offered

"It had been ten years since any work had been done on this driveway and it was in very bad shape. Joshua and his crew cleaned, patched, and put two thick coats of slurry on the driveway. The work was performed efficiently and very effectively. Very pleased with Joshua's professionalism and the work he performed."
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+6

Response time6 hrs
Response rate100%
Recommended by92%of homeowners
Avatar for Ocean Seven Builders
Ocean Seven Builders
4.6(
68
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 1994

Free estimates

Emergency services offered

"We had a big kitchen remodel with layout changes, so we were a bit nervous at first. Ron made the process a lot easier than expected. He coordinated everything and made sure each step was done properly before moving on. The workmanship is solid, and the finishes look high-end. We?re really happy we chose Ocean Seven Builders!"
Additional Photos
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Recommended by59%of homeowners
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Driveway Sealcoating FAQs, answered by experts

When asphalt cures, it typically changes from a very dark black hue to a lighter, more matte gray color. Cured asphalt also won’t be tacky or sticky to the touch or emit any odors from the asphalt mix. Additionally, the surface of fully cured asphalt won’t deform under any pressure.

You shouldn’t directly paint over an oil stain on your asphalt driveway. While painting over might visually conceal the stain, the oil will continue to damage the driveway. Once you’ve noticed the oil stain, it’s important to thoroughly remove it within the next few months since oil stains only take six months before they begin to damage the structure of your asphalt driveway.

A good rule for all homeowners is to seal every driveway to protect it. Wait at least three months to seal an asphalt driveway and one month to seal a concrete driveway. You know it’s time to reseal your driveway when it shows obvious signs of wear and tear. It may appear as fading or discolored asphalt, small cracks, and oil stains. If you notice that one area of your driveway seems to dry slower than others, it’s time to reseal.

Instead of a set number of types, asphalt comes in variations designed for different needs. Some are categorized by temperature—hot mix, warm mix, and cold mix. Others are sorted by composition, like dense-graded, gap-graded (such as Stone Matrix Asphalt), porous, and mastic asphalt. There are also modified versions with added compounds like polymers, rubber, or emulsions. Instead of focusing on a number, it may be more useful to understand how contractors customize asphalt for durability, climate, and traffic conditions.

Sealing your driveway gives it the longest possible lifespan. You’ll reduce your driveway’s risk of cracking, breaking down from exposure to UV light, discoloring, and staining from road chemicals.

The Altadena, CA homeowners’ guide to driveway sealcoating

From average costs to expert advice, get all the answers you need to get your job done.