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Serving Altadena, CA and surrounding areas. (323) 329-3072
Small cracks let water in. Water softens the soil beneath your asphalt and turns a minor fix into a full replacement. We seal cracks right the first time so your driveway goes into the rainy season protected.
Asphalt crack sealing in Altadena involves cleaning each crack thoroughly, then filling it with a flexible rubberized material that bonds to both sides and moves with the surface as temperatures shift. Most residential driveways are finished in a few hours. The goal is not cosmetic - it is to block water before it reaches the soil beneath your pavement.
Once water gets under your asphalt, it softens the base layer and causes the surface to flex, sink, and crack further. In Altadena, the clay-heavy soils that underlie most driveways in the foothills make this worse: wet soil expands and dry soil contracts, pulling at the asphalt above it every wet season. Sealing cracks now is far less expensive than waiting until you need full repaving. If the damage has already moved beyond individual cracks, our team can assess whether commercial asphalt paving or a targeted asphalt sealcoating treatment makes more sense for your surface.
If you can see cracks from the street, they are wide enough to allow water infiltration. In Altadena, where seasonal soil movement is common, water that enters a crack accelerates damage quickly. The sooner those gaps are sealed, the less damage spreads underground.
Altadena's wet winters saturate the clay soils under many driveways. When the soil dries and contracts in spring, it pulls at the asphalt above it. If you notice wider gaps or new cracks after the rains end, the surface needs attention before the next wet season.
If the asphalt along a crack looks darker than the surrounding surface or feels slightly soft underfoot, water has already been sitting in that crack and working downward. This means the damage is progressing and sealing now costs far less than waiting another season.
Altadena is a tree-lined community, and mature oaks and sycamores push roots through asphalt over time. Cracks running near a tree are often from root pressure. Sealing them protects the surrounding pavement and buys time while you monitor the situation.
Every crack sealing job starts with thorough prep - blowing out debris, removing vegetation, and confirming the surface is completely dry before any sealant is applied. This step takes more time than most homeowners expect, and it is the most important part of the job. Sealant poured into a dirty or damp crack will not bond and will fail quickly. We use hot or cold-applied rubberized sealant depending on crack width and site conditions, worked flush with the surrounding surface. For properties where root movement or post-fire ash debris is a factor - both common in Altadena - we adjust our prep approach accordingly.
For driveways where the surface has deteriorated beyond individual cracks, we offer commercial asphalt paving and full repaving services. For surfaces that are structurally sound but showing UV damage, combining crack sealing with asphalt sealcoating is the most cost-effective way to protect your investment and extend pavement life in Southern California's intense sun.
Best for homeowners with isolated or moderate cracking on an otherwise solid driveway surface.
Suited to business owners or property managers needing systematic treatment across a large paved area.
Timed for spring, after soil has stabilized, to seal cracks that opened during wet winter months.
Targeted sealing for driveways where root pressure has created cracks in otherwise sound asphalt.
For driveways with only hairline cracks, scheduled regularly to stay ahead of visible damage.
Full maintenance package for driveways that need both crack sealing and UV protection in one visit.
Altadena sits at the base of the San Gabriel Mountains and receives intense Southern California sun for most of the year. That UV exposure breaks down the asphalt binder - the material that holds the aggregate together - and makes surfaces brittle and prone to cracking without the freeze-thaw cycles that drive damage in colder climates. The clay-heavy soils common across the Altadena foothills compound the problem: they expand when wet and contract when dry, pulling at the asphalt surface each wet season. Homes near Eaton Canyon or in the upper foothill neighborhoods deal with hillside drainage that adds extra pressure on driveway edges after heavy rain. Sealing cracks before the rainy season gives your pavement the best chance of coming through winter without new damage.
Timing and contractor familiarity with local conditions both matter here. We serve homeowners across Pasadena and La Canada Flintridge as well as Altadena, and we schedule crack sealing work around dry weather windows and post-fire ash conditions that affect how well sealant bonds. If your property was near the Eaton Fire area, let us know - we adjust our surface prep to account for ash and debris that can trap moisture and prevent a good bond.
Call or message us and describe what you are seeing. We respond within 1 business day. You do not need to measure or diagnose the cracks - we do that on-site.
We walk the entire paved area, assess which cracks are sealable versus which need more, and give you a written estimate. We will not push sealing on cracks that need something else.
On the job day, the crew blows out debris, removes vegetation, and confirms the surface is dry. This prep takes time and is the most important part of the job - we do not rush it.
Rubberized sealant is worked into each crack and smoothed flush with the surface. Before leaving, we give you a specific timeframe to keep traffic off the treated area.
We respond within 1 business day - no obligation. After you contact us, someone from our office will call to schedule a free on-site visit where we assess your cracks and give you a written quote.
(323) 329-3072We hold a current California contractor's license, which you can verify at cslb.ca.gov before signing anything. The state requires this for all paving work, and we make it easy to confirm. Hiring an unlicensed contractor can leave you without legal recourse if something goes wrong.
Every job starts with a written estimate that covers scope, materials, and price. Every job ends with a written warranty on workmanship. If the sealant fails prematurely because of how it was applied, we come back. That guarantee is in writing before we start.
We have worked on driveways across Altadena's foothill neighborhoods since 2017 and understand the clay soil movement, tree-root conditions, and post-fire ash factors that affect crack sealing here. That local experience shapes how we prep surfaces and what we recommend.
The single biggest quality indicator in crack sealing is how thoroughly cracks are cleaned before sealant is applied. We blow out debris, remove vegetation, and confirm surfaces are dry every time. The National Asphalt Pavement Association identifies proper prep as what separates lasting work from sealant that fails within a season.
We are a local contractor who has worked in Altadena and the surrounding San Gabriel Valley since 2017. We know the specific conditions that make crack sealing here different from flatland work, and we back everything we do in writing.
Full parking lot and commercial surface installation for businesses across the San Gabriel Valley.
Learn MoreUV-protective coating applied after crack sealing to lock in your maintenance and extend surface life.
Learn MoreAltadena Asphalt Paving serves Altadena and 11 surrounding communities. Call today for a free on-site assessment - the dry season window for crack sealing closes every fall.