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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

Find Driveway sealcoating pros in Altadena

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(
109
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Billy came out to my place, gave me a comprehensive estimate for what would actually fix my asphalt driveway, and then was very easy to communicate with about setting up the work. Perhaps most importantly, they actually showed up when they were supposed to! And the work is a massive improvement over our previously cracked, potholed driveway, and they cleaned up everything also. Very happy with our choice, price was very fair as well."
REMOVAL AND INSTALL BASE
Grading for proper drainage
Rock Base
Grading
Grading

+25

Recommended by90%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 Thomas Parks Contracting
Thomas Parks Contracting
4.8(
100
)
Asphalt SealingAsphalt Sealing- For Business

Serving Altadena, CA and surrounding areas

In business since 1976

Free estimates

Emergency services offered

"It worked out well. I haven't gone up there to check the gutters myself. But they had a crew out, they worked. I think they did a good job. They came out the day after I purchased the Big Deal. I got them to give me an estimate to fix the leaks in the roof, but I thought it was too high, so I went with someone else. They did the job efficiently. They had a lot of guys out here. Very good price. I'm assuming it is done properly. We've had a lot of rain and I don't see any problems. I would use them again if they gave me that good deal. It was a good service, but the prices are high, unless you get a discounted offer through Angie's List. The estimate for the roof was very high. The young guys who did the work were really very professional. The job they did was good."
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+12

Recommended by94%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!"
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Recommended by59%of homeowners
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Driveway Sealcoating questions, answered by experts

It is not recommended to seal brand-new or uncured asphalt immediately after installation. You should wait at least three months to allow the asphalt time to cure. Applying a seal coat too soon can trap the asphalt's oils and chemicals, preventing it from fully hardening. This can lead to a weaker surface that is more vulnerable to damage. After the initial three-month curing period, applying a seal coat can extend the asphalt's life by protecting it from water, UV rays, and other damaging elements.

Driveway sealcoating costs around $500 on average, or between $1.25 and $1.50 per square foot for materials and labor. Most homeowners pay between $250 and $800 for this service. Your project price will depend mostly on the size of your driveway, the type of sealant, how much pressure washing or treatment is required before sealing, and the number of coats of sealant applied to your driveway. Most sealants come in 5-gallon or 55-gallon units, with up to 500 square feet of coverage per 4 gallons.

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.

Many services include sealing as part of the repair process. Confirm with your provider.

The best time to seal a driveway is during periods of mild, dry weather, typically from late spring through early fall. For the sealant to bond and cure properly, it needs warm conditions. Avoid sealing in the winter when temperatures are too low.

For optimal results, follow these guidelines:

  • Temperature: Apply sealant when air and surface temperatures are consistently above a minimum of 50-55°F. The ideal range is often between 60°F and 80°F. Avoid applying sealer in extreme heat (above 90-95°F), as it can cause the sealant to dry too quickly and improperly.

  • Weather: Choose a time with no rain in the forecast for at least 24 to 48 hours after application. Rain can wash away the sealant before it has fully cured.

  • Timing and Cost: While spring and fall offer ideal temperatures, they are also the busiest seasons for driveway sealing companies, which may lead to higher costs due to increased demand. The best specific month will depend on your local climate.

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.