Traffic · awarded bid prices · New Castle County
Truncated Dome Detectable Warning Surface: cost per square foot in New Castle County, DE
The median awarded price is $32.00 per square foot, from 32 winning bids on 32 public projects in New Castle County, DE (2025–2026). Half of the awarded prices fall between $30.00 and $33.85.
Cost by state › Delaware › New Castle County › Truncated Dome Detectable Warning Surface
Winning bids only, as printed in the agencies' bid tabulations (DelDOT). The county is the one the agency recorded for the project. These are prices agencies awarded, not quotes: a price on a given job depends on quantity, location and timing, and the figures here are not adjusted for any of them.
Trend
The median awarded price went from $32.00 in 2025 to $31.70 in 2026 (-1%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2025 | $32.00 | 17 |
| 2026 | $31.70 | 15 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Oct 13, 2026 | DelDOT | 120 SF | $38.00 | contract T202120003 ↗ |
| Jul 28, 2026 | DelDOT | 519 SF | $51.00 | contract T202501101 ↗ |
| Jun 16, 2026 | DelDOT | 84 SF | $50.75 | contract T202606104 ↗ |
| Mar 31, 2026 | DelDOT | 210 SF | $25.00 | contract T202603120 ↗ |
| Mar 17, 2026 | DelDOT | 470 SF | $33.80 | contract T202603109 ↗ |
See every awarded price for this item on the Truncated Dome Detectable Warning Surface item page.
Related items in New Castle County
- Installation or Removal of Traffic Sign(S) on Single Sign Post: $100.00 per each
- Traffic Officers: $180.00 per hour
- Temporary Markings, Paint Symbol/Legend: $5.00 per square foot
- Detectable Warning Surface: $35.00 per square foot
- Temporary Markings, Paint, 4": $1.10 per linear foot
- Installation or Removal of Traffic Signs on Multiple Sign Posts: $21.00 per square foot
- Raised/Recessed Pavement Marker: $46.00 per each
- Install OR Remove Traffic Signs: $79.50 per each