Add living space with a home addition planned around the way you use your house. Geo Carpentry LLC is a home addition contractor based in Green Bay, Wisconsin, serving homeowners across Northeast Wisconsin. Our services include room additions, house extensions, and second-story additions. Tell us what space you need, what you want to keep about your existing home, and which parts of the property may change.
Request a Home Addition Estimate Call (920) 367-1272
Serving Green Bay, De Pere, Howard and communities within 100 miles · First response within one business day · English and Spanish
Home Addition Services
Start with the Space Your Home Needs
An addition should solve a specific problem. Explain where daily activities feel crowded, which rooms need to connect, and how you expect to use the new space. Approximate dimensions, photos, and sketches are helpful for the first conversation; tell us if you already have professional plans.
- More living space: describe the intended room, furniture, and access.
- A larger kitchen or family area: identify which existing rooms may also need changes.
- Additional space upstairs: share any available plans and explain how the floors should connect.
- Parking and storage: explore our garage construction and addition services if that is the main goal.
What We Review Before Defining the Scope
The proposed addition needs to work with the existing house and property. We discuss the connection area, access for construction, intended finishes, and any electrical, plumbing, heating, or other systems involved. Questions about existing conditions, design work, and applicable approvals should be identified before the final proposal.
For a room extension, the conversation includes how old and new spaces meet. For a second-story project, it also includes the existing structure, access between levels, and the rooms affected below. These are project-specific decisions; an online description cannot confirm feasibility for an individual property.
How to Request an Addition Estimate
1. Share Your Goal
Send your city, the type of addition, approximate dimensions, and photos of the house and proposed work area. Include plans or sketches if available.
2. Review the Proposed Work
We discuss the existing conditions, desired layout, finish choices, and questions that need further review. Tell us whether the home will remain occupied during construction.
3. Agree on a Written Proposal
Review the included work, total project estimate, proposed timing, and responsibilities for required design, permits, and inspections. Changes should be documented and approved as the project develops.
What Affects the Cost and Schedule?
The size and type of addition, connection to the existing home, site access, structural requirements, finish choices, and systems involved all affect the project. Design and approval steps, material availability, and inspection scheduling also need to be considered.
We discuss the scope for your property before preparing a project-specific estimate. Share your approximate budget and preferred timing early so those expectations can be reviewed. Our first response is within one business day; site visits, written estimates, and construction dates are arranged separately.
To prepare for a pricing conversation, read our Green Bay home addition cost and estimate planning guide. It explains which scope items to compare, what information to send and where to check the applicable permit guidance.
Explore Our Work and Construction Services
Our portfolio includes home additions, second-story additions, detached garages, and new residential construction. You can also review original interior drywall project photos and our interior, kitchen, basement and garage gallery. These galleries show completed work from our broader portfolio.
For a comparison of project types and a checklist of questions, read the home and garage addition planning guide. Explore our general construction services for broader residential work, or home renovation services for changes within your existing space.
Questions About Adding Space to Your Home
Do you handle home additions in Green Bay and De Pere?
Yes. Geo Carpentry serves Green Bay, De Pere, Howard, and other communities within 100 miles of Green Bay. Include your city when you contact us so we can review your location and scope.
Can I start without completed plans?
Yes. Describe the space you need and send any photos, measurements, or sketches you have. We can discuss what additional information or design work is needed for the next step.
Is a second-story addition possible on every home?
That must be reviewed for the specific property. Existing conditions, the proposed layout, structural design, and applicable requirements need to be considered before confirming the approach.
Can we stay in the house while work is underway?
Discuss this during planning. The affected rooms, access, utilities, and construction sequence determine which arrangements need to be made for your project.
Should I remodel my existing space or build a home addition?
If your goal can fit within the current home, start with home remodeling and renovation. If you need additional enclosed living space beyond the current layout, discuss a room addition, house extension or second-story addition. Share what is not working in the existing rooms so the alternatives can be reviewed for your property before you commit to a scope.
How should I compare home addition contractors?
Ask each contractor to describe the same proposed space, connection to the house and finish level. Compare included work, unresolved design questions, permit responsibilities, proposed timing and the process for approving changes. Review relevant completed work and ask questions about your specific project rather than comparing totals for different scopes.
Discuss Your Home Addition with Geo Carpentry
Geo Carpentry LLC opened in 2023, with hands-on carpentry and construction experience since 2014. We communicate in English and Spanish and help homeowners define a clear scope for the space they want to add.
Tell Us About My Addition or call (920) 367-1272. Include your city, intended use, approximate dimensions, and any photos or plans you already have.
