Ultimate Caulking
makes your space look like new.

We cultivate a culture of high standards, customer satisfaction, and continuous learning.

It’s not just a goal, but a guarantee.

Residential Caulking Solutions
for Homeowners and Landlords

At Ultimate Caulking, we specialize in sealing any gaps inside and outside your home that could lead to potential damage, tripping hazards, or loss of insulation efficiency.

Perfectly matched colors on your interior cabinets, countertops, sinks, and showers.

Seamlessly smooth seals on your exterior siding, doors, windows, garage doors, driveways, and sidewalks.

Quality over quantity in every home, for every customer we work with.

Precise, Protective Caulking
Anywhere You Need Us

We prioritize trust, showing up on time, and delivering high-quality work that has earned us the confidence of both national and local construction partners.

Perfectly matched colors for drinking fountains, lockers, and bathrooms in your space.

Seamlessly smooth seals in offices, retail stores, schools, government buildings, and apartments.

Quality over quantity on every project Ultimate Caulking is awarded.

Your Trusted Caulking Partner in West Michigan

Headquartered in West Michigan, we’re current members of the Construction Allies in Action Affiliate HUB, the Builders Exchange of Michigan, and the Grand Rapids Chamber of Commerce.

Ultimate Caulking is a certified minority-owned (MBE) and woman-owned (WBE) contracting company in Michigan.

Ultimate Caulking
is committed to quality.

Our story is rooted in the vision of co-owner Edgar Castillo, who, after years of experience in the trades, took the leap to establish Ultimate Caulking in 2022.

With the support of co-owner Allison Castillo, the company reflects a fusion of technical expertise and family-owned customer care.