Projects & Developments
SCDOT seeks bids on 18-mile I-26 corridor improvement between Exits 136 and 145
Call 250 on the Nov. 10 letting spans Calhoun and Orangeburg counties, runs to 2030 and requires a prequalified utility subcontractor.
Counties 路 Aiken & Orangeburg
Calhoun County construction: bids, contractors and projects
SCDOT lettings, listed contractors and project news for Calhoun County, South Carolina, updated daily from public records.
Calhoun County is part of our Aiken & Orangeburg coverage area and falls under SCDOT District 7 (Aiken & Orangeburg), headquartered in Orangeburg. SCDOT's public lists include 2 construction contractors with a Calhoun County address: 1 prequalified prime contractors and 1 certified DBE construction firms. The largest single group is SC Unified Certification Program DBE firm (1). Most are based in St. Matthews, Saint Matthews.
SCDOT's monthly letting schedule currently has 1 upcoming proposal in Calhoun County, the next on Nov 10, 2026.
Upcoming SCDOT lettings in Calhoun County
| Letting | Proposal | Major work type | Documents |
|---|---|---|---|
| Nov 10, 2026 | 250 路 P041362 | I-26 Corridor Improvement From Near Exit 136 To Exit 145 | Proposal |
Contractors based in Calhoun County
Counts come from SCDOT's Prequalified Contractors list and the South Carolina Unified Certification Program DBE directory for firms with a Calhoun County address. The Contractor's Licensing Board sells its roster by mail, so licensed contractors that don't work for SCDOT are not listed yet; any firm can add or claim a listing.
Find Calhoun County subcontractors Find Calhoun County general contractors
Calhoun County project news
How to bid public work in Calhoun County
State highway work in Calhoun County is let by SCDOT through its monthly letting in Columbia; the county is in District 7 (Aiken & Orangeburg) (SCDOT county offices). Primes must be prequalified with SCDOT, and prequalification is not needed for subcontract work. See how to bid SCDOT contracts.
State agencies advertise solicitations in South Carolina Business Opportunities, and cities, counties and school districts often do too (see the SCBO and SCPro guide). Before you bid, check your license group (licensing guide) and your payment protections (lien and bond basics).
Statewide rules that apply here
Nearby counties
Aiken & Orangeburg region: Aiken 路 Allendale 路 Bamberg 路 Barnwell 路 Clarendon 路 Hampton 路 Orangeburg
Also in SCDOT District 7: (same as above)
Sources: SCDOT Notice to Contractors (current letting) (refreshed daily) 路 SCDOT Prequalified Contractors list and SC UCP DBE directory 路 SCDOT District 7