6-inch connection to existing main cost in Illinois
Updated · BuildGets Team
Public bids in Illinois put the 6-inch connection to existing main at a median of $5,000 each, with the middle half of bids between $3,813 and $6,550. That is 25 % above the national median of $4,000. Based on 30 bidder prices from 4 public bid tabulations opened between December 2022 and February 2026.
| Median bid in Illinois | $5,000 / EA |
| Middle 50 % of bids | $3,813 – $6,550 |
| National median | $4,000 (+25 %) |
| Bidder prices · bid tabs · owners | 30 · 4 · 1 |
Bid tabs in Illinois
| Owner | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|
| VILLAGE OF ROSELLE | Feb 2026 | $2,500 | $4,875 | 10 |
| Old Town 1-A Recon. | Jun 2024 | $3,850 | $6,595 | 8 |
| Lake Marian Woods Watermain Replacement | Jun 2023 | $4,000 | 7 | |
| 2022 LINCOLNWOOD MANOR RECONSTRUCTION | Dec 2022 | $5,050 | 5 |
Prices are what contractors bid on public jobs in Illinois, not installed costs from a price book. What each item includes varies by owner: read the item description in each bid tab before comparing. National figure and every state: 6-inch connection to existing main unit price. Every unit price in Illinois: Illinois unit prices.
Cite as: BuildGets BID, 6-inch connection to existing main cost in Illinois, October 2026. https://www.buildgets.com/us/unit-prices/6-inch-connection-to-existing-main/il/ (CC BY 4.0)
Questions
How much does a 6-inch connection to existing main cost in Illinois?
Public bids in Illinois put the 6-inch connection to existing main at a median of $5,000 each, with the middle half of bids between $3,813 and $6,550. That is 25 % above the national median of $4,000. Based on 30 bidder prices from 4 public bid tabulations opened between December 2022 and February 2026.
Is Illinois more expensive than the national average?
For this item the Illinois median bid is 25 % above the national median of $4,000. Bid prices depend on the owner, the job size and what the item includes, so compare with the sources below.