4-inch underdrain cost per linear foot in Colorado
Updated · BuildGets Team
Public bids in Colorado put the 4-inch underdrain at a median of $35.00 per linear foot, with the middle half of bids between $23.25 and $52.47. That is 4 % above the national median of $33.64. Based on 26 bidder prices from 7 public bid tabulations.
| Median bid in Colorado | $35.00 / LF |
| Middle 50 % of bids | $23.25 – $52.47 |
| National median | $33.64 (+4 %) |
| Bidder prices · bid tabs · owners | 26 · 7 · 1 |
Bid tabs in Colorado
| Owner | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|
| S. Platte River Drive Improvements, W. Virginia to W. Bayaud Ave. | $194 | $147 | 4 | |
| South Federal Green Boulevard | $50.00 | $72.50 | 4 | |
| I-25 & Broadway Interchange Reconstruction Segment | $220 | 1 | ||
| High Line Canal Underpass at Hampden and Colorado | $15.00 | 6 | ||
| High Line Canal Parker & Mississippi | $21.50 | 6 | ||
| Federal Blvd Reconstruction, 5th Ave to Howard Place | $33.64 | 5 | ||
| Colfax & Lipan Intersection Improvements, Phase 1 | $19.50 | $38.00 | 4 |
Prices are what contractors bid on public jobs in Colorado, 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: 4-inch underdrain unit price. Every unit price in Colorado: Colorado unit prices.
Cite as: BuildGets BID, 4-inch underdrain cost per linear foot in Colorado, October 2026. https://www.buildgets.com/us/unit-prices/4-inch-underdrain/co/ (CC BY 4.0)
Questions
How much does a 4-inch underdrain cost in Colorado?
Public bids in Colorado put the 4-inch underdrain at a median of $35.00 per linear foot, with the middle half of bids between $23.25 and $52.47. That is 4 % above the national median of $33.64. Based on 26 bidder prices from 7 public bid tabulations.
Is Colorado more expensive than the national average?
For this item the Colorado median bid is 4 % above the national median of $33.64. Bid prices depend on the owner, the job size and what the item includes, so compare with the sources below.