Drainage

Riprap, Natural Stone

Unit SYLettings Jun 2, 2017 – Jul 11, 20251 agency in 1 state

Median winning unit price

Moderate 8 winning bids

≈$126/ SYLow confidence

Treat this as a rough guide. Only 8 winning bids on record — we want 12 or more before calling a figure a median.

Winning bids only, as awarded. Nominal dollars. How we compute this

Drainage

8Winning bids

1Agency

Jun 2, 2017 – Jul 11, 2025Letting period

One of the 8 winning bids behind that median, with the agency’s own document one click away.

Estimator

How this item has priced over time, quarter by quarter, from the same rows as the headline figure.

A free account opens the full build-up of this number, down to the agency documents it came from.

Middle-half range
The p25–p75 band of winning bids — where most jobs actually land.
Price distribution
All 8 bids charted, so you can see clusters and outliers.
8 observations
Agency, county, letting date, quantity and the price as printed.
8 public bid tabulations
Every row links to the agency’s own document. Check any price yourself.

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Other drainage items priced per SY, ranked by how much evidence each has.

1 agency in 1 state · lettings Jun 2, 2017 – Jul 11, 2025

8 rows, each with its source document. Sign in to open them.Create free account

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