We partner with our clients and treat your project as if it were our own 3520 Swenson Ave  |  St. Charles, IL 60174
(630) 584-1200
Quinn Design-Build Inc.
Ryan and Nancy Quinn reviewing a project plan with a client in the QDBI office

Design-Build · Fox Valley, Illinois Your design-build advocate.

We design and build the custom spaces with expertise, integrity, and care, so you can confidently achieve your goals

Turning imagined spaces into places that truly work for industrial, commercial, hospitality, churches, and institutional clients across the Fox Valley.

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We Create Meaningful Spaces

Owner Involved, Relationship Approach

We Deliver Deep Fox Valley Expertise & Connections

What we do

Expertise that guides every decision.

End-to-end design-build for commercial and industrial clients, including complex work inside active facilities, where phasing, logistics, and trade coordination decide whether a project stays on schedule.

Quinn Design-Build Inc. monument sign

Design-Build Solutions

One team, one contract, one shared goal. We streamline the process to reduce risk and deliver results with clarity.

Preconstruction & Planning

A focused, dedicated phase that supports thoughtful planning, realistic budgets, and informed decisions before construction begins.

Project Management

Hands-on oversight from leadership, clear communication, and proactive problem solving throughout the build.

Value Engineering

Smart solutions that protect quality while respecting budget and schedule.

Construction Delivery

Reliable execution with experienced trades, trusted partners, and a focus on long-term performance.

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Industries we serve

Custom solutions for the spaces that matter most.

No two industries operate the same way. We build around how your organization actually works, and we go deepest in industrial facilities and church projects.

Industrial

Church Projects

Commercial

Hospitality

Retail

Health Care

Let’s Meet All Industries

OUR SPECIALTIES

Two kinds of buildings we know inside out.

Steel joists and precast walls going up on a QDBI industrial build

Industrial & manufacturing

We build around live operations.

Expansions, equipment foundations, and tenant improvements inside facilities that cannot stop running. We plan the phasing, the shutdowns, and the trade sequence before the first crew shows up.

Phased work in occupied plants
Equipment foundations and heavy slabs
Entitlements and constructability early
Industrial work
Church interior renovated by Quinn Design-Build

Church projects

Built for the congregation, not just the building.

Church construction and renovation asks for patience with committees, honesty about budgets, and respect for a space people care deeply about. We work at the pace of the decision, and build around the worship calendar.

Budgets a building committee can defend
Phasing around services and events
Sanctuary, addition, and campus renovation
Church projects

Our process

A clear path from vision to completion.

Confidence comes from knowing what to expect. Four steps, one accountable team, no surprises halfway through.

01

Let’s Meet

We start with a conversation, your goals, your constraints, your priorities, and what a successful project looks like for you.

02

Let’s Plan

Once we understand your goals, we bring the right team together and turn the vision into a practical plan, aligning design, budget, schedule, and constructability before construction begins.

03

Let’s Build

With the plan in place, we lead the project from start to finish, coordinating the team, managing the details, solving problems, and keeping you informed every step of the way.

04

Post-Completion Support

Our relationship does not end at turnover. We stand behind our work and remain available as your needs evolve.

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Projects

Spaces built with intention.

Every project is a collaboration, purpose-driven design and real-world problem solving, from industrial facilities to community landmarks.

View Our Projects
Completed QDBI project interior

Featured project

Parlor Doughnuts

Ryan and Nancy Quinn breaking ground on a Fox Valley project

Why QDBI

A partner who shows up and stays involved.

We are owner-led, detail-driven, and invested in the outcome. You will always know who is responsible, what is happening, and what comes next.

We enjoy the build. We take pride in the process. And we care deeply about the spaces we help bring to life.

Frequently asked questions

QDBI, Frequently Asked Questions

01 What does QDBI do?

Quinn Design-Build Inc. (QDBI) provides design-build construction services for commercial, industrial, hospitality, church, and specialty renovation projects. We guide clients from early planning and budgeting through design, preconstruction, and construction with one team leading the process from start to finish.

02 What is design-build?

Design-build is a project delivery method that brings design and construction together under one team. Instead of managing separate parties, clients work with a single lead throughout the project, which helps improve communication, coordination, budgeting, and decision-making.

03 Why choose design-build over the traditional approach?

Design-build helps create a more collaborative and efficient process. By involving the builder early, clients can benefit from real-time budgeting, practical construction input, fewer handoff issues, and better alignment between design, schedule, and cost.

04 What types of projects does QDBI specialize in?

QDBI focuses on commercial and industrial work, while also bringing experience in hospitality, restaurant, renovation, tenant improvement, and church facility projects. We are especially valuable on projects that benefit from early collaboration, thoughtful planning, and hands-on project leadership.

05 What size projects does QDBI take on?

Project size can vary depending on scope, complexity, schedule, and overall fit. We look for projects where we can bring value through planning, communication, and leadership. The best first step is a conversation about your goals, budget, and timeline.

06 When should I contact QDBI about my project?

The earlier, the better. Bringing QDBI into the conversation during the planning stage allows us to help with budgeting, feasibility, constructability, scheduling, and overall project strategy before major decisions are locked in.

07 How is QDBI different from a traditional general contractor?

QDBI is more than a contractor brought in after drawings are complete. We aim to be a partner early in the process, helping shape the plan, identify risks, guide budgeting, and coordinate design and construction for a smoother overall experience.

08 What types of clients are the best fit for QDBI?

We are a strong fit for clients who value collaboration, want practical guidance early, and are looking for a trusted team to help lead the project from concept through completion. We work best with clients who want a thoughtful, transparent process and are serious about moving their project forward.

09 What is the first step to working with QDBI?

It starts with a conversation. We’ll learn about your project, goals, timeline, budget expectations, and any existing plans or challenges. From there, we can recommend the right next step, whether that is a site visit, budgeting exercise, preconstruction proposal, or full design-build engagement.

10 How do I get started?

You can reach out through our website, by phone, or by email to start the conversation. We’d be glad to learn more about your project and discuss whether QDBI is the right fit.

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Contact us

Let’s build something you can stand behind

If you are planning a new build, renovation, or improvement project, we would love to hear what you are imagining. Reach out to start the conversation and discover what it feels like to build with confidence.

(630) 584-1200 info@qdbi.net

3520 Swenson Ave
St. Charles, IL 60174

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