
Pooling water destroys asphalt from underneath. We find where it starts and give it somewhere to go.
Pooling water destroys asphalt from underneath. We find where it starts and give it somewhere to go.

Drainage solutions in Santa Monica move water off your driveway or parking area before it damages the base underneath. Most residential jobs take one to three days - regrading the surface, adding channel drains or catch basins, and connecting to an outlet.
Santa Monica properties sit on flat coastal terrain with soils that drain slowly. When winter rains arrive in quick, heavy bursts, that combination means water has nowhere to go. Left alone, it softens the asphalt base from below - which is the same problem addressed by asphalt repair once the damage is done. Catching it earlier with proper drainage is almost always the smarter move.
Whether you have a single low spot on your driveway or a parking area that floods every storm season, we size the solution to the actual problem - no upselling, no guesswork.
If there is a low spot on your driveway where water collects after every storm, the surface is not draining properly. In Santa Monica, where even a modest winter rain can arrive fast and hard, that pool can linger for hours on the flat coastal terrain. The standing water seeps into any existing cracks and starts working on the base below.
If rainwater or runoff flows toward your garage door or foundation rather than away from it, you have a slope problem. This is the most urgent sign - water reaching your garage slab or foundation creates damage that goes well beyond the driveway. You need the grade corrected before the next rainy season.
Persistent moisture at the perimeter of your paved surface weakens the base underneath over time. Santa Monica's marine layer keeps surfaces damp longer than inland areas, so edge cracks that appear after a wet winter are often a drainage symptom. They will spread if the water source is not addressed.
If you have a drain that fills with sediment, runs slowly, or still leaves water sitting on the surface, the system is either undersized, poorly sloped, or blocked at the outlet. A drain that cannot handle the flow is not doing its job - and ignoring it usually means more expensive asphalt repairs within a few seasons.
Every drainage fix starts with understanding why the water is not moving. We assess the surface slope, the soil conditions, and where the water needs to go before recommending anything. For many Santa Monica properties, the right answer is a channel drain or catch basin at the low point combined with a short pipe run to a landscaped area or the street gutter. When the surface has lost its slope entirely due to settling, we regrade - sometimes adding new asphalt sections to restore the correct pitch.
Larger jobs may involve connecting to the city storm system, which requires city approval and coordination. We handle the permit process and make sure the outlet point is properly designed. After the drainage work is done, we often pair it with grading and excavation when underlying site conditions need correction, or with speed bump installation for parking areas where both traffic control and drainage need to be addressed at the same time.
Best for driveways where the slope has failed and water no longer sheds toward the street.
Best for driveways or parking areas with a defined low zone that collects water after every rain.
Best for single low spots on residential driveways where a compact solution fits the lot.
Santa Monica gets modest annual rainfall - roughly 12 to 15 inches - but what matters is how and when it arrives. Winter storms hit fast and hard, and the coastal plain soils here do not absorb water quickly. Most residential lots in Santa Monica are nearly flat, which means there is no natural grade to carry water toward the street. Without an engineered drainage system, the pavement ends up doing the holding. Add Santa Monica's marine layer - which keeps surfaces damp far longer than they would stay in an inland city - and you have conditions that quietly destroy asphalt bases year after year.
We work across Santa Monica and the surrounding area, including Venice and Culver City, where similar flat-lot and coastal drainage challenges come up on residential and commercial properties alike. We know the local permit process, the right-of-way requirements, and the soil conditions - so the drainage system we design for your property will actually perform after the next storm.
Call or submit the form and we will get back to you within one business day to set up a site visit. We need to see your property in person - drainage problems cannot be assessed accurately from photos alone.
We walk the surface, identify where water is coming from and where it needs to go, and give you a written estimate that explains the recommended fix and why. No pressure to decide on the spot.
If the project connects to the city storm system or touches the public right-of-way, we handle the permit application with Santa Monica's building and public works departments. You do not have to navigate that process yourself.
Most residential drainage jobs are finished in one to two days. Before we leave, we walk the surface with you and confirm where water will now flow. If new asphalt was laid, we give you a clear curing timeline before driving on it.
We visit your Santa Monica property, assess the drainage problem in person, and give you a clear written quote at no charge. No pressure. Replies within one business day.
(424) 268-2037Adding a drain without correcting why water pooled in the first place often means the problem moves two feet over and comes back next season. We trace the water source - whether it is a failed slope, settled base, or flow from an adjacent property - and address that before specifying the drain hardware.
Work that connects to the city storm system or touches the public right-of-way has to go through Santa Monica's building and public works departments. We know when a permit is required, handle the application, and coordinate any required inspections - so the finished work is done by the book and will not be flagged later. Verify our contractor license at cslb.ca.gov.
Flat lots, slow-draining coastal soils, and marine layer humidity create drainage behavior here that differs from inland cities. We design solutions based on how water actually moves on Santa Monica properties, not how it behaves in a textbook example from a hillside neighborhood.
Every job comes with a written contract that spells out what work will be done, where the water will outlet, and what the timeline is. If questions come up later, the scope is documented. You know what you agreed to - and so do we.
Our combination of local permit knowledge, coastal-specific experience, and honest diagnosis sets us apart from contractors who simply install a drain and move on. We are committed to solutions that hold up through Santa Monica's next rainy season and the ones after that.
Add permanent asphalt speed bumps to driveways and private roads where traffic control is needed alongside drainage improvements.
Learn MoreCorrect underlying site grades and remove poor subbase material before a new drainage system or paved surface goes in.
Learn MoreWinter rain waits for no one - call us today for a free on-site drainage estimate and a fix that lasts.