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Serving Baldwin Park, CA and surrounding areas. (626) 630-0138
Standing water on your driveway or parking area is slowly destroying the base underneath it. We design and install drainage that moves water away from your property for good.
Drainage solutions in Baldwin Park involve regrading surfaces, installing channel drains or catch basins, and repairing the base so water moves away from your structure. Most residential jobs take one to three days depending on how much excavation and repaving is involved.
In Baldwin Park, water that sits on asphalt does not just stay on the surface - it works through cracks, expands the clay soil underneath, and weakens the base layer that holds your pavement together. Homeowners often notice low spots appearing and cracks spreading, and by then the damage is already building up. Proper drainage fixes the cause, not just the surface. If your pavement is also due for attention, pairing drainage work with asphalt repair prevents the same problems from coming back.
Every drainage job starts with understanding where the water is coming from and where it needs to go. That means walking the property, checking grades, and designing a solution that fits your specific lot - not a one-size approach.
A puddle sitting at the base of your garage door after rain means water is not draining away from the structure. In Baldwin Park, that standing water soaks into clay-heavy soil and expands the ground beneath your slab. Over time, that movement cracks your driveway and can creep under the concrete toward your foundation.
Visible depressions or birdbath-shaped areas on your asphalt surface are a sign the surface has lost its proper slope - or never had one. These low spots hold water after every rain. In the San Gabriel Valley's wet winters, that means repeated soaking of the base layer that will eventually cause the pavement above to crack and sink.
Cracking along driveway edges or in a web-like alligator pattern is often caused by water weakening the base, not just surface wear. If you see these patterns developing after wet winters, poor drainage is likely contributing. Resurfacing alone will not stop the cracking from returning if the drainage problem stays in place.
If you can watch water during a rainstorm flowing toward your foundation or under your garage, the grade is working against you. This is both a drainage problem and a potential foundation risk. It is one of the clearest signs the surface needs to be regraded and a proper outlet installed before another wet season arrives.
Most drainage jobs involve a combination of approaches. We regrade the surface to create a deliberate slope so water flows away from structures, install channel drains or trench drains across driveways to intercept runoff, and add catch basins that collect water and route it to a safe outlet. After drainage components are installed, we compact the base and repave the affected area so the finished surface is clean and functional. For properties where the existing pavement is already damaged from years of water intrusion, we often combine drainage installation with grading and excavation to restore the base before laying new asphalt.
On flat lots - which are common throughout Baldwin Park - natural drainage slopes are minimal, so intentional grading is especially important. We assess where water is entering, where it needs to exit, and what combination of surface work and installed components will handle that efficiently. Permits are handled for any work that connects to a city storm drain or the public right-of-way, so there are no surprises after the job starts.
Best for driveways and lots where water pools because the slope is wrong - regrading creates a consistent pitch so water sheets off instead of sitting.
Ideal for driveways where runoff collects at a low point - a channel drain installed across the width intercepts the water before it reaches the garage or structure.
Suited to larger lots or parking areas where water converges at a central low spot - a catch basin collects it and routes it underground to an appropriate outlet.
For properties where water has already damaged the base layer - we excavate the affected area, repair the base, install drainage, and repave so the surface is solid and properly graded.
Baldwin Park sits in the San Gabriel Valley, where the underlying soils have significant clay content. Clay expands when wet and shrinks when dry, so the ground under your driveway is constantly moving with the seasons. This movement is a primary reason asphalt surfaces crack and shift here - and it makes proper drainage more important than in areas with more stable soils. Keeping water away from the base reduces how much the soil swells and settles, and that directly extends the life of your pavement. Most residential lots in Baldwin Park were developed with relatively flat grades, which means water does not have an obvious place to go without intentional slope design. We work throughout the area and in neighboring El Monte and West Covina, where flat-lot drainage challenges are just as common.
The Los Angeles region receives most of its rainfall in a compressed window from late November through March, and Baldwin Park can see several inches in a short period during a wet storm system. Drainage systems that are undersized or poorly graded get overwhelmed quickly, leading to flooding at the garage door or water running toward the foundation. The dry summer months that follow create a different problem - intense heat and UV exposure weaken asphalt that was already compromised by a wet base during winter. Getting drainage right means your pavement handles both seasons without early failure.
Describe what you are seeing - pooling water, cracks, runoff toward the foundation - and we schedule an on-site visit. We reply within one business day and do not give phone quotes for drainage work because the right fix depends on walking the actual property.
We walk the property, check the current slope, and identify where water is entering and where it needs to exit. You receive a written estimate that outlines what will be done - regrading, drain type, base repair, repaving - so there are no surprises about scope or cost.
If the drainage system connects to a city storm drain or involves the public right-of-way, we apply for the necessary permits before work begins. This step can add a week or two to the start date but is required and protects you. We handle the paperwork so you do not have to.
We excavate, install drain components, compact the base, and repave with attention to slope. Before we leave, we walk you through the finished work and give you a specific curing timeline - typically 24 to 48 hours before foot traffic and a few days before parking vehicles.
We will walk your property, identify where the drainage is failing, and give you a clear written estimate. No pressure, no guesswork.
(626) 630-0138A contractor who just lays new asphalt over a drainage problem will leave you with the same issue in a year or two. We assess the slope, the base condition, and where the water needs to go before recommending any surface work. That approach is what makes the fix last.
The clay soils and flat lots in Baldwin Park create drainage challenges different from hillside or coastal work. We have hands-on experience with how these soils move across wet winters and dry summers, and we design drainage systems that account for that seasonal movement - not just the surface grade. NAPA industry standards guide our material choices and installation methods.
California requires paving contractors to hold a state-issued license, which you can verify at cslb.ca.gov before you hire anyone. We are licensed and familiar with what Baldwin Park and the surrounding cities require for permit applications when drainage connects to city infrastructure. No surprises on compliance.
Every drainage project gets a written, itemized estimate that spells out scope, materials, and cost. You will not receive a verbal quote and wonder what changed between the conversation and the invoice. If the scope changes once work begins, we tell you before proceeding - not after.
Drainage work done right protects every dollar you have put into your pavement - and every dollar you plan to. When the fix addresses the cause and not just the surface, you stop paying for the same repair repeatedly.
Add permanent asphalt speed bumps to your driveway or parking lot to control vehicle speed in Baldwin Park.
Learn MoreProper ground preparation and grading to create the slope and base that drainage systems depend on.
Learn MoreThe dry months are the ideal window to install drainage - schedule your assessment now so your property is ready when the storms arrive.