Family-Owned · New Castle County, DE · 18+ Years

Concrete Done Right. The First Time.

Tri-County Construction is a father-and-son crew pouring driveways, stamped patios, and sidewalks across New Castle County, Delaware. We pour it 6 inches thick, communicate every day, and clean up before we leave.

  • 4.7 Google (18 reviews)
  • 18+ Years Family-Owned
  • 100+ Driveways Poured
  • Family-Owned
  • Free Estimates
  • Licensed & Insured
  • Daily Communication

What We Pour

Concrete Services Across New Castle County, DE

Residential and commercial concrete work — from driveway replacements to stamped patios to ADA ramps. Every job built to last with a properly compacted base and a 6-inch pour.

Newly poured concrete driveway installation in New Castle County, DE

Concrete Driveways

Tear out, prep, pour, finish. Built 6 inches thick on a properly compacted base.

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Stamped concrete patio with decorative finish installed in New Castle County, DE

Stamped Concrete Patios

Decorative patterns and colors that turn backyards into outdoor living rooms.

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Concrete slab pour for a residential project in New Castle County, DE

Concrete Slabs & Pads

Foundations, sheds, AC pads, garage floors — flat, square, and built to last.

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New concrete sidewalk leading from house to street in New Castle County, DE

Sidewalks & Walkways

Repair, replace, expand. Code-compliant work that makes your property safer.

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Concrete walkway and ramp leading to a brick home in Wilmington, DE

ADA Ramps

Code-compliant accessibility ramps for homes and businesses.

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Commercial-grade concrete pour with two-bay garage access in New Castle County, DE

Commercial Concrete

Parking pads, walkways, slabs and pours for local businesses.

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Why Carlos Sr. and Carlos Jr. Build Differently

6"

Driveway Thickness

Most contractors pour 4". We pour 6 inches with a properly compacted stone base — built for Delaware freeze/thaw cycles.

Daily

Owner Check-Ins

Carlos checks in with you every day of the project. You're never wondering what's happening on your driveway.

18+

Years in Business

Two generations of Carlos D's pouring concrete in New Castle County, Delaware. The person who quotes the job is on it.

Recent Work

Concrete Projects Across New Castle County

Stamped concrete patio with running-bond pattern installed in New Castle County, DE
New concrete sidewalk with Tri-County Construction job sign in New Castle, DE
Newly poured concrete driveway in front of a residential home in New Castle County, DE
Backyard concrete patio with wooden steps and lawn in Wilmington, DE
Concrete driveway replacement in a residential neighborhood in New Castle County, DE
Tri-County Construction crew finishing a residential concrete driveway pour in New Castle County, DE
Freshly poured concrete driveway section cordoned with cones and caution tape in New Castle, DE
Concrete sidewalk leading from house to street in a New Castle County, DE neighborhood

Where We Work

Proudly Serving New Castle County, Delaware

We pour concrete from Wilmington to Middletown — Newark, Bear, Hockessin, Glasgow, and every neighborhood in between. Local crew, local jobs, local accountability.

  • Wilmington, DE
  • New Castle, DE
  • Newark, DE
  • Hockessin, DE
  • Middletown, DE
  • Glasgow, DE
  • Bear, DE

Based in New Castle, DE

317 Hackberry Dr, New Castle, DE 19720

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What Neighbors Say

4.7 Stars from 18 Real Customers

We were amazed at the scheduling precision of when concrete was delivered and poured. We liked the daily touching base with Carlos and Carlos Jr., the owners of Tri-County, LLC.

Linda G.

New Castle, DE

From the initial consultation to receiving the quote and discussing my expectations, the entire process was excellent. Communication was smooth and consistent.

k Donaldson

Wilmington, DE

Carlos and team did a fantastic job replacing my concrete driveway, sidewalk, and patio. Their work went above and beyond my expectations.

Brian Kelleher

Newark, DE

Ready for a Driveway You Won't Have to Replace Again?

Get a free estimate from a family that's been pouring concrete in New Castle County, Delaware for 18+ years.