Concrete & Paving in Portland, OR

Portland OR concrete and paving has to handle PNW rain saturation, mild freeze-thaw cycles, and Multnomah County clay-loam soils that hold moisture. Slabs without proper sub-base prep settle on saturated clay. NeedInstall connects you with Portland concrete contractors who pour 4,500-5,500 PSI mixes, use 4-6 inches of compacted Class A base, and detail control joints every 8-10 ft.

Portland OR concrete driveways run $11-$17 per sq ft installed. Permits required for new driveways and apron tie-ins ($175-$450). OR requires a state CCB license. Standard 4,500-5,500 PSI mix; air-entrainment helpful for PNW freeze-thaw. Allow 28 days curing.