J O General Masonry Inc
C-8| C29WHITTIER, CA 90602
(562) 696 4237View profileLicensed under Class C-8 (Concrete)
Find CSLB-licensed concrete contractors in Canoga Park, CA. Every listing shows an active licence number you can check yourself.
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Get matched with a licensed proConcrete in Canoga Park needs correct mix, placement and cure — not just a truck and forms. Slab curl, surface crazing and early cracking usually trace to timing or subgrade prep, not bad luck.
Structural concrete is not the same as a broom-finish patio. Reinforcement, cover and consolidation requirements differ. Ask whether the contractor uses a vibrator on footings and walls.
Vapor barriers under interior slabs need sealed seams before pour. A photo of the barrier before concrete arrives is cheap insurance against moisture claims later.
Class C-8 (Concrete) is the concrete classification — CSLB authorizes forming, placing and finishing concrete. Structural work may require engineered drawings submitted to LADBS. Fiber mesh is not a substitute for rebar in structural footings, and the mix design should match the engineer specification.
Contractors listed hold an active Class C-8 (Concrete) licence at a Canoga Park address. Verify licence status before deposits on large pours. Integral color in concrete is consistent only when batched from the same plant load, and small pours may show batch variation. Keep vehicles off green concrete for the full cure window because edge breakoff is common when rushed.
Licence status does not reveal whether a crew waits for bleed water to leave before finishing. Hot weather pours need a written plan. Saw-cut joints should be deep enough to weaken the plane, typically one-quarter of slab thickness, or random cracks will appear anyway.
Hot weather pours may need retarding admixtures and mist curing. A summer pour without a heat plan is more likely to craze and dust at the surface. Payment should track inspection milestones in Canoga Park, not calendar dates alone, so you can verify concrete progress before each draw. Payment should track inspection milestones in Canoga Park, not calendar dates alone, so you can verify concrete progress before each draw. Payment should track inspection milestones in Canoga Park, not calendar dates alone, so you can verify concrete progress before each draw.
Every licence number below links to its record at cslb.ca.gov, where you can confirm status and expiry yourself.
6 registered in Canoga Park · 810 active CLEAR licences across Los Angeles County · page 17 of 34
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Licence first. References second. Reviews last. Why that order.
Get matched with a licensed proConcrete construction as a principal trade requires Class C-8 (Concrete). Small flatwork may involve general contractors on larger projects.
The register shows 6 with an active Class C-8 (Concrete) licence at a Canoga Park address, and 810 across Los Angeles County.
Approach work, drainage changes and structural slabs often need permits through LADBS. Confirm before forms are set.
Seven days is a common minimum for passenger vehicles on flatwork. Structural loads follow engineer guidance.
Timing depends on mix and weather. The contractor should cut before random shrink cracks appear, usually within hours of finishing.