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C-875 ADU exterior in light colorway
C-875 ADU exterior in dark colorway
C-875 floor plan
C-875 elevation
Exterior:

C-Series · Single-Level

Model C-875 · Single-Level

About This Model

The C-875 is a single-level 2-bedroom. At 875 square feet, it fits under the 1,000 sq ft cap in Madison and Sun Prairie. Other Dane County municipalities publish their own cap, and some are lower. The C-875 is the plan we recommend when the lot can take it and a parent wants room that does not feel compressed. It’s the model we recommend for clients building for a parent who plans to be in the space for many years and wants the kind of spacious living that doesn’t make daily life feel compressed.

Ideal For

Long-term family housing, high-end rental in premium neighborhoods, aging parent who wants maximum independent comfort.

Interior Photo
C-875 interior

Representative interior photo. Finishes and layout vary by model and project configuration.

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Floor Plan / Elevation — C-875
Floor Plan
C-875 floor plan
Elevation
C-875 elevation
Virtual Tour

Explore the C-875 in 3D before your project begins. Walk through the layout, check sight lines, and get a feel for the space.

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Facade Upgrade Options
C-875 facade upgrade

Facade upgrade options available. Ask about exterior cladding, window configurations, and color packages during your consultation.

Premium Finishes & Features

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Full Turnkey Construction & Residential Finishes
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Design and Plans Included
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Luxury Vinyl Flooring
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Quartz Countertops
✓
House Match Options Available
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Mini Split Heating and Air System
✓
Open Concept Kitchen
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Custom Built at Your Property
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Full Bathroom
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Lifetime Composition Shingle Roof
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Slow Close Cabinets and Drawers
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Appliance Packages Available

Frequently Asked Questions

Where can I place this ADU?+
The C-875 can be placed on most single-family and two-family residential lots in Dane County, subject to setback, size, and zoning requirements for your municipality. We confirm feasibility at your address during the free feasibility check.
What can I customize?+
Exterior siding color and material, roofing color, interior paint, cabinet hardware, light fixtures, and appliance packages. The structural layout is fixed per model; finish-level personalization is fully available.
What features come standard?+
Every Boundless ADU includes full permitting, architectural plans, mini-split HVAC, quartz countertops, luxury vinyl flooring, slow-close cabinetry, and a lifetime composition shingle roof. Appliance packages are available and are not assumed in the base price.
What financing options are available?+
Common paths include HELOCs, cash-out refinancing, construction-to-permanent loans, and ADU-specific products. See our financing page or try the ADU calculator.
Other Models

Every C-Series plan is a starting point on your lot. Compare the rest of this series, or view all models.

C-693 ADU exterior in dark colorway
C-693
2 Bed · 1 Bath · 693 sqft
C-775 ADU exterior in dark colorway
C-775
2 Bed · 1 Bath · 775 sqft
C-936 ADU exterior in dark colorway
C-936
2 Bed · 1 Bath · 936 sqft
C-800 ADU exterior in dark colorway
C-800
2 Bed · 2 Bath · 800 sqft
C-875
C-Series · Single-Level
2Bed
1Bath
875sqft
ADU Overview
Single-level. 875 sqft 2-bedroom. Spacious living, full-size kitchen, large bedrooms. Near maximum size for most Dane County municipalities.
Check If This Fits Your Lot →
or call us directly
608-400-0121 VIEW ALL MODELS