24-inch connection to existing main cost

Updated September 27, 2026 · BuildGets Team

Public bids put the 24-inch connection to existing main at a median of $9,000 each, with the middle half of bids between $6,889 and $15,000. Based on 37 bidder prices from 6 public bid tabulations.

Median bid	$9,000 / EA
Middle 50 % of bids	$6,889 – $15,000
Bidder prices	37
Bid tabulations	6

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By project

Owner	State	Bid opening	Low bid	Median of bids	Bids
MONTGOMERY COUNTY MUNICIPAL UTILITY DISTRICT NO. 113	TX	Sep 2026	$1,025	$1,025	3
City of Austin	TX	Feb 2026		$13,500	2
MONTGOMERY COUNTY MUNICIPAL UTILITY DISTRICT NO. 129	TX	Dec 2025	$500	$500	7
MONTGOMERY COUNTY MUNICIPAL UTILITY DISTRICT NO. 215	TX	Aug 2025	$6,889	$6,797	3
CITY OF AUSTIN	TX	Jun 2025	$8,437	$11,150	32
HARRIS COUNTY MUNICIPAL UTILITY DISTRICT NO. 572	TX	Apr 2025		$1,092	6

Related unit prices

Connection to existing main: $3,000 / EA
4-inch connection to existing main: $2,977 / EA
6-inch connection to existing main: $4,000 / EA
8-inch connection to existing main: $3,500 / EA
10-inch connection to existing main: $3,132 / EA
12-inch connection to existing main: $7,100 / EA
16-inch connection to existing main: $13,000 / EA

Prices are what contractors bid on public jobs, not installed costs from a price book. What each item includes varies by owner: read the item description before comparing. Methodology and all items: water and sewer unit price index.

Questions

How much does a 24-inch connection to existing main cost?

Public bids put the 24-inch connection to existing main at a median of $9,000 each, with the middle half of bids between $6,889 and $15,000. Based on 37 bidder prices from 6 public bid tabulations.

Does the price include excavation and restoration?

It depends on each bid form: some owners include excavation, bedding, backfill or restoration in this item and others pay them as separate items. Check the item description of each source.