
Western Days town at the foot of the San Gabriels
Epoxy Flooring in San Dimas, CA
Garage, patio and pool deck coatings for San Dimas homes, with a moisture check before anything goes down.
- Free on-site estimate with a slab and moisture check
- Itemized written quote that names every coat
- Diamond-ground prep on every floor we coat
Why We Check for Water in San Dimas
Before it was San Dimas, this area was known as La Cienega Mud Springs. Local mud springs fed a marsh, and Cinnamon Creek still crosses the city roughly parallel to Arrow Highway. Every slab is different, but that history is a good reminder to test moisture before installing epoxy flooring in San Dimas. Water vapor rising through concrete is one of the main reasons a coating blisters or peels from below.
Our moisture-first approach
On every job we:
- Look for white efflorescence, dark damp patches and peeling at the base of walls
- Test the slab in more than one spot, especially in garages on the low side of a lot
- Check whether sprinklers or planters soak the soil next to the slab
- Choose a primer that matches what we find
Most garages test fine. When one does not, we use a moisture-tolerant primer or tell you the slab needs a fix first. Knowing that before a coating goes down saves money and trouble.
Outdoor living near Bonelli Park
San Dimas is home to Frank G. Bonelli Regional Park and Raging Waters, and plenty of local backyards have their own pools and patios. A pool deck needs three things from a coating: grip when wet, UV resistance and a surface that does not get too hot. We use light colors and a textured polyaspartic or aliphatic topcoat on decks and patios. Coatings that stay pale reflect more sun than darker finishes.
Garages for an older crowd
The city's median age in 2020 was 43.7, and 72.8% of homes were owner-occupied in 2010. Many owners have been in their houses a long time and want a floor that is safe to walk on. For those garages we suggest a flake floor with a bit more texture, which helps footing when a wet car drips onto the slab, and a light color that makes the space brighter.
Weather by the mountains
The San Gabriel Mountains form the north edge of San Dimas, and the city sits at 955 feet with hot, dry summers. Garage doors that open to afternoon sun warm up the slab, and that heat affects how fast coatings set. We plan summer installs for the cooler part of the day and adjust products to the temperature so the coating has time to bond.
Western Days and the city's character
San Dimas is known for Western art and its Western Days and Rodeo. Some homeowners here keep tack, saddles or trail gear in the garage. A coated floor is easier to sweep clear of dirt, hay and grit than bare concrete, and a flake finish hides what tracks in from outside.
Access off the 210 and 57
The Foothill Freeway (I-210) and State Route 57 both run through San Dimas, and the A Line light rail added a San Dimas station in September 2025. Many residents commute, and they want to know how long the car has to stay out. A polyaspartic system cures faster than a standard epoxy and can shorten that wait. For a commuter we often plan the job so the grinding and base coat happen on the first day and the floor is ready to park on soon after the last coat cures. We give you the times in writing up front.
What to Know in San Dimas
- La Cienega Mud Springs. The area was known as La Cienega Mud Springs, named for local mud springs that created a riparian marsh. Cinnamon Creek crosses the city roughly parallel to Arrow Highway.
- Incorporated in 1960. San Dimas incorporated on August 4, 1960. It is named for St. Dismas through San Dimas Canyon in the San Gabriel Mountains, which form its northern boundary.
- Settled households. The 2020 census counted 34,924 residents with a median age of 43.7 and 13,033 housing units. In 2010, 72.8% of homes were owner-occupied.
- Parks and pools. The city is home to Raging Waters Los Angeles and Frank G. Bonelli Regional Park, and it sits at an elevation of 955 feet.

San Dimas Questions
Why do you test moisture before coating a San Dimas garage?
Water vapor coming up through concrete can push a coating off from below. A test takes little time and tells us which primer to use, or whether the slab needs work before coating.
Will a coated pool deck be too hot to walk on?
Color matters most. We recommend light colors on pool decks because they stay cooler than dark ones, and we add texture for grip when the deck is wet.
Can you make a garage floor less slippery?
Yes. We can add more flake texture or an anti-slip additive in the topcoat. That helps when wet tires drip onto the floor.
Free Estimates in San Dimas, CA
Free estimates for San Dimas garages, patios and pool decks.
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