Keystone Concrete Services ready-mix concrete plant in Johns Island, SC
Johns Island Plant 1 · serving Johns Island, SC 29455 (Charleston County)
NRMCA-certified
Keystone Concrete Services (Johns Island Plant 1) is an NRMCA-certified ready-mix concrete plant serving Johns Island, SC and nearby ZIP areas. Request a ready-mix concrete quote for your pour (concrete strength, approximate size, pour date, and notes like slump or site access) below.
Certification
NRMCA cert #33818
Listed as certified when last checked 2026-07-03 · expires 2027-04-10
Contact
(843) 402-0200
Location is ZIP-area approximate; confirm exact address with the plant.
Available strengths (PSI), slump, and admixtures aren't verified here. Tell us your spec and we'll confirm with the plant. Estimates only.
Get ready-mix concrete quotes from NRMCA-certified plants near Johns Island, SC
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More NRMCA-certified plants in Johns Island, SC
SRM Concrete
Johns Island Plant 706 · Johns Island, SC 29455
NRMCA-certified
Thomas Concrete
John's Island Plant 323 · Johns Island, SC 29455-3612
NRMCA-certified
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 Keystone Concrete Services.