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Serving Pasadena, CA and surrounding areas. (213) 635-1499
New asphalt is only as good as what sits underneath it. We build the right base for Pasadena's clay soils, sloped lots, and seasonal rains.
Grading and excavation in Pasadena reshapes the ground to the correct slope, removes old material and unstable soil, and builds a compacted base layer before any paving begins - for a standard residential driveway, the work typically takes one to two days.
Asphalt is only as good as what sits underneath it. In Pasadena, where clay soils expand when wet and shrink when dry, a pavement surface placed over unprepared or poorly compacted ground will crack, sink, or heave within a few years - sometimes less. Grading and excavation are the foundation step that determine how long your finished driveway actually lasts. If your previous driveway failed early, the problem almost certainly started below the surface, making this the right time to also consider drainage solutions alongside your base prep.
A well-graded surface drains water cleanly with no low spots where puddles collect. Poor grading shows up fast as standing water, soft spots, or premature cracking near the edges - and those problems only get worse once Pasadena's rainy season arrives.
If your car scrapes the driveway or the surface is no longer flat, the ground underneath has likely shifted. In Pasadena's clay-heavy soils this kind of movement is common over time and signals that regrading is needed before any new paving will last.
Standing water after a rainstorm means the surface is not draining correctly. In a climate where heavy winter rains arrive in concentrated bursts, poor drainage erodes your base quickly and can send water toward your foundation. Regrading solves this at the source.
If you are adding paved space - a second parking spot, a wider driveway, or a side-yard pad - grading and excavation are the necessary first step. Starting with a properly prepared base is what separates a driveway that lasts many years from one that needs repairs in just a few.
If a previous driveway cracked, sank, or heaved within a few years, the problem was almost certainly in the base. Proper excavation and regrading before the new paving goes down prevents the same outcome and makes the investment worthwhile the second time.
We handle grading and excavation for new residential driveways, driveway replacements, parking pads, and commercial paving projects across Pasadena and the San Gabriel Valley. Every project includes a thorough site assessment to identify soil conditions, existing drainage patterns, and proximity to public right-of-way - factors that directly affect how deep we excavate and what base material we use. After grading is complete, the work connects directly to our concrete curbing and sidewalks services, which handle the edges and transitions that a finished project needs.
For properties where drainage is the primary concern - water running toward the foundation, low spots that pool, or slopes that need controlled runoff - our drainage solutions work hand in hand with grading to direct water where it needs to go. Addressing drainage at the grading stage is far less disruptive and expensive than adding it after paving is complete.
Best for new driveways or replacements on single-family lots in Pasadena - includes excavation, base compaction, and slope correction for proper drainage.
Right for Pasadena foothills properties with steep approaches or terraced lots - includes cut-and-fill work and drainage planning so water does not undercut the new surface.
For parking lots, commercial driveways, and multi-unit properties that need a larger scope of excavation, base work, and compaction testing before paving begins.
For existing driveways or paved areas where water is pooling, running toward the home, or eroding the base - regrading reshapes the slope so water exits cleanly.
Pasadena's soils contain a significant amount of clay - and clay expands when it absorbs winter rain and shrinks again in the dry season. That constant movement is the main reason driveways here crack and sink faster than in areas with sandy or stable soils. Thorough excavation down to stable ground, followed by a well-compacted aggregate base layer, interrupts that cycle. A contractor who skips compaction testing - checking that the prepared base is firm before paving begins - is one of the most common reasons driveways fail early, and one of the clearest warning signs in any quote.
We serve properties across the area, including Arcadia and Monrovia, where many hillside and valley-floor properties face the same clay soil and drainage challenges as Pasadena. Whether your lot is flat or steeply sloped, we assess the site before giving you a number.
We visit your property, assess the soil, slope, and any complicating factors, and give you a written estimate that breaks out the grading and excavation work separately from paving. We respond within 1 business day.
If the project touches the public sidewalk or curb, we apply for the required city permit before work begins. We handle that process - it can add a week or more to the timeline, so we ask about it early to keep your schedule on track.
The crew removes the existing surface and soil to the planned depth. Old asphalt, concrete, or debris is broken up and hauled away. This is the noisiest part of the job - it usually moves quickly, typically within a day.
We shape the surface to the correct drainage slope, spread and compact the aggregate base in lifts, then verify compaction before paving begins. Plan on limited driveway access for two to four days through grading and paving combined.
We visit the site, assess your soil and slope, and give you a written estimate before any work begins. No obligation.
(213) 635-1499California requires contractors doing excavation and paving work to hold a current state license. You can look ours up on the CSLB website before signing anything. A valid, active license is the baseline - and something every homeowner should verify before excavation equipment arrives.
Pasadena's clay-heavy soils, hillside lots near the San Gabriel Mountains, and the Arroyo Seco corridor each present specific base prep challenges. We know what depth and base material work in this terrain - not just in general, but specifically in the neighborhoods where you live.
When your project touches Pasadena's public right-of-way, we pull the required permits and coordinate any city inspection before paving begins. Work done without required permits can create problems when you sell - we handle the paperwork so you are protected.
Our work follows the standards of the National Asphalt Pavement Association, the leading trade body for asphalt paving professionals. That includes compaction testing and proper base depth - not just the minimum needed to get asphalt to sit flat on day one.
Good grading and excavation is the part of a driveway project most homeowners never see - but it is exactly what determines whether your investment holds up for years or needs the same work done again. We take that step seriously, and it shows in how the finished surface holds up through Pasadena's seasonal cycles.
After grading, concrete curbing and sidewalks define the edges and transitions that give a finished driveway its clean, permanent borders.
Learn MoreWhen drainage correction is part of the project, our drainage solutions work alongside grading to route water away from foundations and prevent base erosion.
Learn MoreThe best time to prep your base is before the rains return. Call us now and we will visit your site, assess the soil, and give you a written quote with no obligation.