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CalPortland Company ready-mix concrete plant in National City, CA

National City Plant 316R · serving National City, CA 91950-1005 (San Diego County)
NRMCA-certified

CalPortland Company (National City Plant 316R) is an NRMCA-certified ready-mix concrete plant serving National City, CAand nearby ZIP areas. Describe your pour below (concrete strength, approximate size, pour date, and notes like slump or site access) and we'll show you the certified plants serving your ZIP to call directly.

Certification
NRMCA cert #34901
Listed as certified when last checked 2026-07-03 · expires 2027-08-22
Contact
(619) 474-8318
Location is ZIP-area approximate; confirm exact address with the plant.

Available strengths (PSI), slump, and admixtures aren't verified here. Confirm your spec with the plant when you call. Estimates only.

See NRMCA-certified ready-mix plants near National City, CA to call directly

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Source: NRMCA Currently Certified Plants directory. Ready Mix Concrete is an independent directory of NRMCA-certified ready-mix concrete plants and is not affiliated with CalPortland Company.