Bridge construction project aerial view

Fast, Accurate Construction Cost Estimates

We break down every dollar — labor, materials, equipment, tools, supplies, and markup by trade — so stakeholders always know exactly where the money is.

Our mission is to meet and exceed our clients' expectations on every assignment — and to lead the industry in AI implementation.

At DBL, we serve contractors, municipalities, private equity investors, insurance providers, and financial institutions across the United States and Latin America. We work fast, we work accurately, and we deliver the detail you need to make smart decisions.

The DBL Difference

Why Clients Choose DBL

Fast Turnaround

We know deadlines are real. Our team moves quickly so you're not waiting around for numbers you need now.

Layer-by-Layer Detail

Every estimate breaks out labor, materials, equipment, supplies, tools, and markup by trade. No black boxes.

Accurate Every Time

We double-check our work. You get numbers you can trust — whether you're bidding a job or securing financing.

English & Metric

We work in both measurement systems, so we can handle projects across the US and Latin America without missing a beat.

What We Do

Built for the Real World

Construction workers on urban building site

What We Do

Cost Engineering & Estimating for the Built Environment

DBL delivers cost engineering, analysis, and estimating for heavy civil and structural projects — bridges, tunnels, earth retention, marinas, rail — as well as affordable housing and mixed-use commercial buildings. Send us your plans. We'll start take-offs today.

Aerial view of urban neighborhood with mixed residential and commercial buildings

Affordable Housing & Mixed-Use

We estimate affordable housing and mixed-use commercial projects — the buildings that make neighborhoods work for real families.

Young family walking in urban neighborhood

Our Clients

Contractors, municipalities, private equity investors, insurance providers, and financial institutions across the US and Latin America.

Large bridge construction project with gantry cranes over a river

Heavy Civil & Infrastructure

Bridges, tunnels, marinas, earth retention, rail — we handle the big, complex jobs that require precision at every line item.

Construction professional reviewing a project cost report and blueprints

Job Cost Accounting

Job cost accounting tracks actual labor, materials, equipment, subcontractor costs, and overhead against the project budget as work moves forward. It gives project teams a clear view of where money is going, helps spot cost overruns early, supports accurate billing and forecasting, and makes it easier to protect profit while keeping owners and stakeholders informed.

Construction professional reviewing project data on a digital tablet

AI Adoption

Our bespoke AI Adoption service is built exclusively for construction-focused companies. We assess the tools your team is using — and the opportunities it may be missing — then create a practical AI architecture and adoption plan tailored to your workflows. The result is a clear path to invest in the right tools, strengthen decision-making, reduce manual work, and optimize return on investment without disrupting the work that keeps projects moving.

English & Metric Systems

We're proficient in both measurement systems, so we can handle substantial civil and structural projects anywhere in the Americas without skipping a beat.

Get a Quote

Get in Touch

Contact Us

Drop us a line — we'll get back to you fast.

323 East Wacker Drive, Chicago, IL, USA

630-222-8655

Mon–Fri: 9:00 am – 5:00 pm

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DBL – Dyson Build & Lease
323 East Wacker Drive
Chicago, IL, USA

Hours

Mon–Fri: 9:00 am – 5:00 pm

Sat–Sun: Closed

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