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Johnson Construction Group, Inc

"Building Trust, Crafting Quality — Serving Geneseo and Beyond Since 1983. Call us today at (309) 944-5161!"

About Us

Johnson Construction Group, Inc, formerly known as Bob Johnson Construction, based in Geneseo, IL, has proudly been the region's premier contractor since 1983. We specialize in a wide variety of services including new construction, remodeling, room additions, barns, roofing, and sunrooms. Whether you're planning a new build or a renovation, our experienced team is ready to bring your vision to life. For all your construction needs, reach out to Johnson Construction Group, Inc in Geneseo today.

Areas Served

Geneseo, IL | 60 Mile Radius

Our Professional Associations

Chamber of Commerce
National Frame Builders Association
Quad City Builders and Remodelers

Our Certifications

Licensed, Bonded and Insured

What We Offer

Our Specialties include:

General Contractor
Residential, Commercial and Agricultural
New Construction and Remodeling
Pole Barns
Sun Rooms

Our Services include:

General Contracting: Johnson Constructions Group, Inc. is a full-service General Contractor specializing in residential, commercial, and agricultural projects. We manage every phase of construction with precision, quality, and attention to detail.
New Construction & Remodeling: From building your dream home or business from the ground up to transforming existing spaces, we provide expert new construction and remodeling services. Our team ensures your vision becomes reality with craftsmanship that lasts.
Room Additions & Sunrooms: Expand your living space with custom room additions or enjoy the outdoors year-round in a beautifully designed sunroom. We create functional, stylish spaces that enhance your property’s value and comfort.
Pole Buildings & Barns: We design and construct durable pole buildings and barns for residential, commercial, and agricultural needs. Our structures are built to withstand the elements while providing versatile storage and workspace solutions.
Roofing Solutions: Protect your property with our professional roofing services, including shingle and steel roofing options. We deliver reliable installations and repairs to keep your home or business safe and secure.
Availability: We’re open Saturdays by appointment to accommodate your schedule and ensure personalized service.

Our Brands include:

Lester Buildings

Our Products include:

Replacement Windows and Doors

Testimonials

On 5/4/2021 Sarah J. had this to say:
They are grate people they also did a good job on my house

On 3/22/2021 Mary Murphy had this to say:
Just finished my deck today and I couldn't be happier! Quick work, fair pricing and the carpenter Chris was a pleasurer to work with! So very happy I chose this company! Testimonial written by Mary Murphy on this site.

On 6/5/2019 Snicklekins Jenkins had this to say:
Good place to work

Contact Us

Johnson Construction Group, Inc
747 E. Culver Ct. Geneseo, IL 61254
Phone: (309) 944-4445
Fax: (309) 944-8844
Email: johnsonconstruction2025@gmail.com

Where To Find Us

Payment Types Accepted

Personal Checks

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 7:30 AM - 4:00 PM
Tuesday: 7:30 AM - 4:00 PM
Wednesday: 7:30 AM - 4:00 PM
Thursday: 7:30 AM - 4:00 PM
Friday: 7:30 AM - 4:00 PM
Saturday: By Appointment Only
Sunday: By Appointment Only

News

On 11/26/2025 this was posted:
This Thanksgiving, we’re grateful for our incredible clients, dedicated team, and the Geneseo community that has supported us since 1983. Thank you for trusting us with your new builds, remodels, and renovations. Your confidence in our work inspires us every day!
Wishing you a holiday filled with warmth, family, and gratitude.
📞 Ready to start your next project? Contact Johnson Construction Group today!
Expires 12/26/2026

FAQ

What services does Johnson Construction Group, Inc. offer in Geneseo, IL?

Johnson Construction Group, Inc. provides a full range of construction services including new home construction, remodeling, room additions, roofing, and custom pole buildings and barns. Whether you're planning a residential build or a renovation, our team brings decades of experience and craftsmanship to every project.

How long has Johnson Construction Group, Inc. been serving the Geneseo area?

Johnson Construction Group, Inc. has proudly served Geneseo and the surrounding region since 1983. Previously known as Bob Johnson Construction, Inc., we’ve built a legacy of excellence in construction, offering dependable service and expert project management for over four decades.

Does Johnson Construction Group, Inc. build pole buildings and barns?

Yes, we specialize in designing and constructing pole buildings and barns for agricultural, commercial, and residential use. Our structures are built to last, with customizable layouts and durable materials that meet your specific storage, workspace, or livestock needs.

Can Johnson Construction Group, Inc. help with home remodeling and room additions?

Absolutely. We offer professional remodeling services for kitchens, bathrooms, basements, and more. Our room additions are designed to expand your living space while maintaining the style and structure of your existing home.

How do I get started with a construction project at Johnson Construction Group, Inc.?

To begin your project, contact our office in Geneseo, IL to schedule a consultation. We’ll review your goals, provide expert recommendations, and offer a detailed estimate. From concept to completion, our team is committed to bringing your vision to life.