Lic #1007864 · Contra Costa County · Finishing
Epoxy Coating Services
Seamless epoxy floor coatings for garages, retail floors, showrooms, and warehouses — decorative to heavy-duty industrial.
The East Bay's retail capital — Broadway Plaza-caliber tenant improvements, striping, and luxury home upgrades in the surrounding hills.
From metallic designer floors in Los Altos garages to high-build industrial systems in Central Valley warehouses, JMG's epoxy crews prepare, coat, and seal concrete that takes real abuse — grinding, moisture testing, and crack repair included on every job.
In Walnut Creek and across Contra Costa County, JMG delivers epoxy coatings under California Contractor's License #1007864 — permitted, inspected, and personally overseen by owner Jerry Guinn. Retail and commercial spaces get brand-color flake and quartz systems installed after hours; residential clients get garage, ADU, and showroom floors with slip-resistant, easy-clean finishes. Every system is specified for the traffic it will actually carry.
Walnut Creek pairs a high-traffic downtown retail core with hillside neighborhoods in Saranap and Northgate. Retail refreshes downtown demand night work and zero downtime; hillside homes demand fire-safe materials and defensible-space detailing. JMG crews handle both on one schedule.
What's included in Walnut Creek
Recent epoxy coatings work
The process in Walnut Creek
Private Consultation
Walk the property with owner Jerry Guinn. Honest scope, realistic timeline, and a written line-item estimate — free.
Design & 3D Rendering
See the finished project in photorealistic 3D before a single wall comes down. Finishes get locked before demo day.
Permits, Handled
Plans, submittals, corrections, and city or county coordination under CA License #1007864. You sign — we run the process.
Build & Final Inspection
Sixteen in-house trades on one schedule, one accountable owner. Inspection passed, walkthrough done, keys in hand.
Epoxy Coatings in Walnut Creek — FAQ
A typical two-car garage runs two to three days including grinding and prep; large commercial floors are phased so operations continue. Full cure before vehicle traffic is usually five to seven days — we give you exact re-entry times.
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Epoxy Coatings · Walnut Creek