Water service connection or replacement cost in California
Updated · BuildGets Team
Public bids in California put the water service connection or replacement at a median of $6,600 each, with the middle half of bids between $5,700 and $11,000. That is 136 % above the national median of $2,800. Based on 11 bidder prices from 1 public bid tabulation opened in April 2025.
| Median bid in California | $6,600 / EA |
| Middle 50 % of bids | $5,700 – $11,000 |
| National median | $2,800 (+136 %) |
| Bidder prices · bid tabs · owners | 11 · 1 · 1 |
Bid tabs in California
| Owner | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|
| 2025 Morgan Hill Water Main Replacement Project | Apr 2025 | $10,500 | 15 |
Prices are what contractors bid on public jobs in California, 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: water service connection or replacement unit price. Every unit price in California: California unit prices.
Cite as: BuildGets BID, Water service connection or replacement cost in California, October 2026. https://www.buildgets.com/us/unit-prices/water-service-connection-or-replacement/ca/ (CC BY 4.0)
Questions
How much does a water service connection or replacement cost in California?
Public bids in California put the water service connection or replacement at a median of $6,600 each, with the middle half of bids between $5,700 and $11,000. That is 136 % above the national median of $2,800. Based on 11 bidder prices from 1 public bid tabulation opened in April 2025.
Is California more expensive than the national average?
For this item the California median bid is 136 % above the national median of $2,800. Bid prices depend on the owner, the job size and what the item includes, so compare with the sources below.