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Cost by county

Construction unit costs in New Castle County, DE

Median awarded unit prices for 80 items on public projects in New Castle County, from winning bids in agency bid tabulations. Each item page lists its source documents.

Cost by state › Delaware › New Castle County

ItemPerMedianMiddle halfWinning bidsLatest source document
Saw cutting, asphalt concretelinear foot$1.50$1.00 – $2.5971Oct 13, 2026, contract T202120003 ↗
Flagger, NEW Castle Countyhour$59.00$32.00 – $85.0069Oct 13, 2026, contract T202120003 ↗
Gabccubic yard$60.00$38.50 – $75.0066Oct 13, 2026, contract T202120003 ↗
Flagger, NEW Castle County, Overtimehour$79.75$35.00 – $99.0065Oct 13, 2026, contract T202120003 ↗
Superpave type b, pg 64- 22, patchton$105.00$60.00 – $150.0063Oct 13, 2026, contract T202120003 ↗
Saw cutting, concrete, full deeplinear foot$4.00$3.75 – $5.0063Oct 13, 2026, contract T202120003 ↗
Remove of portland cement concrete pavement, curb and sidewalksquare yard$25.00$18.00 – $35.0061Oct 13, 2026, contract T202120003 ↗
Inlet Sediment Control, Drainage Inleteach$125.00$68.00 – $180.0061Aug 18, 2026, contract T202611302 ↗
P.c.c. sidewalk, 4 inchsquare foot$9.80$4.00 – $12.5060Oct 13, 2026, contract T202120003 ↗
Adjusting and Repairing Existing Drainage Inleteach$1,000$1,000 – $1,25057Oct 13, 2026, contract T202120003 ↗
Erosion control blanket mulchingsquare yard$3.00$3.00 – $4.0057Jul 28, 2026, contract T202501101 ↗
P.c.c. sidewalk, 6 inchsquare foot$11.00$7.50 – $15.0755Oct 13, 2026, contract T202120003 ↗
Adjusting AND Repairing Existing Manholeeach$700.00$500.00 – $850.0052Oct 13, 2026, contract T202120003 ↗
Pedestrian Connection, Type 1square foot$17.60$14.00 – $23.7550Jun 16, 2026, contract T202606104 ↗
PCC Curb, Type 1-8linear foot$40.00$39.00 – $49.2349Jul 28, 2026, contract T202501101 ↗
Pedestrian Connection, Type 2, 3, And/or 4square foot$17.50$15.00 – $23.0049Jun 16, 2026, contract T202606104 ↗
Permanent Grass Seeding, Subdivisionsquare yard$1.06$1.00 – $2.1047Oct 13, 2026, contract T202120003 ↗
Drainage Inlet Grate(s)each$350.00$317.75 – $400.0046Oct 13, 2026, contract T202120003 ↗
Install or remove of traffic sign(s) on single sign posteach$100.00$81.25 – $250.0046Mar 3, 2026, contract T202220003 ↗
Drainage Inlet Frame(s)each$350.00$303.75 – $400.0044Oct 13, 2026, contract T202120003 ↗
Superpave type c, pg 64- 22, patchton$118.00$95.00 – $155.2543Mar 3, 2026, contract T202220003 ↗
Permanent pavement stripe, symbol/legend alkyd-thermoplast icsquare foot$8.90$5.37 – $13.7842Mar 3, 2026, contract T202220003 ↗
Adjusting AND Repairing Existing Double Drainage Inleteach$1,500$1,500 – $1,88542Jul 28, 2026, contract T202501101 ↗
I.pcc Curb AND Gutter, Type 2linear foot$42.20$39.00 – $45.0041Jul 28, 2026, contract T202501101 ↗
Topsoilton$40.00$30.00 – $44.3839Mar 31, 2026, contract T202603120 ↗
Topsoil, 6 inch deepsquare yard$12.00$8.00 – $13.5035Oct 13, 2026, contract T202120003 ↗
I.pcc Curb AND Gutter, Type 1-8linear foot$40.38$40.00 – $49.5034Jul 28, 2026, contract T202501101 ↗
Speed Humplinear foot$109.00$105.00 – $141.2534Mar 31, 2026, contract T202603120 ↗
Steel casing pipe, 4 inchlinear foot$10.00$5.00 – $10.0034Mar 31, 2026, contract T202603120 ↗
Truncated Dome Detectable Warning Surfacesquare foot$32.00$30.00 – $33.8532Oct 13, 2026, contract T202120003 ↗
Superpave Type C, PG 64-22 (Carbonate Stone)ton$111.00$103.75 – $120.0032Jan 20, 2026, contract T201407106 ↗
Traffic Officershour$180.00$110.00 – $180.0031Oct 13, 2026, contract T202120003 ↗
Manhole Cover(s)each$350.00$302.50 – $400.0031Oct 13, 2026, contract T202120003 ↗
Manhole Frame(s)each$350.00$300.00 – $400.0031Oct 13, 2026, contract T202120003 ↗
Silt Fencelinear foot$4.00$3.00 – $5.0028Jul 28, 2026, contract T202501101 ↗
Temporary marking, paint symbol/legendsquare foot$5.00$2.50 – $9.5027Oct 7, 2025, contract T202406101 ↗
Detectable Warning Surfacesquare foot$35.00$32.00 – $49.0025Mar 3, 2026, contract T202220003 ↗
I.pcc Curb AND Gutter, Type 3-8linear foot$49.23$40.00 – $50.0025Jul 28, 2026, contract T202501101 ↗
Temporary marking, paint, 4 inchlinear foot$1.10$0.75 – $2.5025Oct 7, 2025, contract T202406101 ↗
Asphalt crack and joint seal less than 3/4-inch widelinear foot$1.65$1.00 – $2.0024May 19, 2026, contract T202606103 ↗
Install or remove of traffic sign on multiple sign postsquare foot$21.00$15.00 – $31.6224Dec 9, 2025, contract T202201102 ↗
Reinforced concrete pipe, 15 inch, class ivlinear foot$75.00$65.00 – $85.5023Jul 28, 2026, contract T202501101 ↗
PCC Curb, Type 2linear foot$42.20$40.00 – $50.5023Oct 13, 2026, contract T202120003 ↗
Compost Filter Logslinear foot$10.00$6.50 – $15.0023Jul 28, 2026, contract T202501101 ↗
Borrow, Type Fcubic yard$36.00$10.00 – $45.0023Oct 13, 2026, contract T202120003 ↗
Delaware NO. 57 Stoneton$76.00$62.00 – $89.0021Jun 30, 2026, contract T201907103 ↗
Superpave Type B, PG 64-22ton$115.00$98.50 – $155.0021Oct 13, 2026, contract T202120003 ↗
Galvanized Steel Beam Guardrail, Type 1-31linear foot$40.00$36.00 – $43.0021Dec 16, 2025, contract T201907102 ↗
Install of 4 inch diameter hole, less than or equal to 6 inch deepeach$150.00$120.00 – $210.0021Oct 13, 2026, contract T202120003 ↗
Conduit junction well, type 4, 20 inch x 42-1/2 inch precast concreteeach$1,900$1,800 – $2,12821Oct 13, 2026, contract T202120003 ↗
Provide and install loop wire 1-conductor #14 awg encased in 1/4 inch flexible tubing in a loop sawcutlinear foot$19.00$18.00 – $22.5021Oct 13, 2026, contract T202120003 ↗
Superpave Type C, PG 76-22 (non-carbonate Stone)ton$120.00$107.00 – $136.0021Dec 9, 2025, contract T202201102 ↗
Raised/Recessed Pavement Markereach$46.00$36.50 – $67.0021Oct 7, 2025, contract T202406101 ↗
Install or remove traffic signeach$79.50$75.00 – $98.5020Oct 13, 2026, contract T202120003 ↗
Remove of guardrail and fencelinear foot$4.25$2.50 – $8.9520Aug 18, 2026, contract T202611302 ↗
Guardrail END Treatment, Type 1-31, Test Level 3each$4,275$3,792 – $4,50020Dec 16, 2025, contract T201907102 ↗
Channel Bed Fillcubic yard$139.50$103.75 – $194.5020Jun 30, 2026, contract T201907103 ↗
Pipe, culvert, and structure excavationcubic yard$35.00$28.00 – $70.0020Oct 1, 2024, contract T200707404 ↗
Structure backfill, (borrow type c)cubic yard$35.00$30.38 – $40.2520Jan 20, 2026, contract T201407106 ↗
Borrow, Type Ccubic yard$45.00$41.00 – $56.4020Jan 20, 2026, contract T201407106 ↗
Test Holecubic yard$500.00$150.00 – $700.0019Oct 13, 2026, contract T202120003 ↗
Geotextiles, Riprapsquare yard$6.00$4.00 – $6.8819Jul 28, 2026, contract T202501101 ↗
Permanent Grass Seeding, Dry Groundsquare yard$1.70$1.25 – $2.7519Aug 18, 2026, contract T202611302 ↗
Supply OF Flat Sheet Aluminum Sign Panel, Type IV, Retroreflective Sheetingsquare foot$24.00$18.75 – $29.5019Mar 3, 2026, contract T202220003 ↗
Pcc pavement, 8 inchsquare yard$110.00$105.00 – $120.0019May 6, 2025, contract T202503107 ↗
Delaware NO. 3 Stoneton$65.50$55.00 – $97.0018Jun 30, 2026, contract T201907103 ↗
Drainage inlet, 34 inch x 24 incheach$3,920$2,835 – $5,28818Mar 10, 2026, contract T202604906 ↗
Galvanized telescoping steel sign post, 12' x 2 inch, complete w/ baseposts and hardwareeach$200.00$160.00 – $250.0017Aug 18, 2026, contract T202611302 ↗
Adjust AND Repair Existing Sanitary Manholeeach$1,060$800.00 – $1,26816Oct 13, 2026, contract T202120003 ↗
Conduit junction well, type 1, 20 inch x 20 inch precast concreteeach$1,452$1,396 – $1,62116Oct 13, 2026, contract T202120003 ↗
Inlet Sediment Control, Curb Inleteach$160.00$150.50 – $200.0015Oct 13, 2026, contract T202120003 ↗
Adjust or Repair Existing Conduit Junction Welleach$410.00$380.00 – $495.0015Jul 28, 2026, contract T202501101 ↗
PCC Curb, Type 1-4linear foot$43.00$38.00 – $50.0014Oct 13, 2026, contract T202120003 ↗
PCC Curb, Type 1-6linear foot$50.00$39.25 – $65.2514Oct 13, 2026, contract T202120003 ↗
Adjust GAS Valve Boxeseach$600.00$468.75 – $698.7514Oct 13, 2026, contract T202120003 ↗
Stabilized Construction Entrancesquare yard$36.30$27.50 – $65.0013Jun 30, 2026, contract T201907103 ↗
Pole Base, Type 4Aeach$875.00$585.00 – $915.0013Oct 13, 2026, contract T202120003 ↗
Sump PITeach$2,000$1,400 – $3,50013Jun 30, 2026, contract T201907103 ↗
Preformed retroreflective thermoplastic marking, bike symboleach$487.50$421.25 – $525.0012Mar 3, 2026, contract T202220003 ↗
Supply OF Flat Sheet Aluminum Sign Panel, Type XI, Retroreflective Sheetingsquare foot$25.25$23.44 – $28.2512Mar 3, 2026, contract T202220003 ↗

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