A full-service general contracting firm serving Wisconsin with 70+ combined years of experience.
Whole-home and room-by-room renovations tailored to how your family lives.
Buildouts and renovations for retail, restaurant, office, and service spaces.
Your vision, brought to life from blueprint to final walkthrough.
Functional, beautiful kitchen remodels designed for daily living.
Transform lower levels into finished, comfortable family spaces.
Decks and exterior upgrades built for Wisconsin weather and use.
From pre-construction planning to closeout, our team coordinates trades, schedule, and craftsmanship so your build stays on track.
Ground-up custom homes built with detail and long-term durability.
View gallery →Kitchen and interior room remodels tailored to daily living.
View gallery →Home renovation and build progress from framing to finish.
View gallery →Decks and exterior improvements built for year-round use.
View gallery →Commercial construction and buildouts delivered to spec.
View gallery →Family-led leadership and on-site craftsmanship in action.
View gallery →Every custom home is built to fit your lot, your style, and how your family lives day to day.
We are a full-service general contracting firm with 70+ combined years of experience. Our team consists of under 10 skilled employees, supported by a full staff of top-notch subcontractors.
90% of our subcontractors have been with us for over 20 years and are part of our construction team. KJN Builders is fully licensed in the state of Wisconsin, and as a family business we keep close ties to our local community.
Meet Our TeamJim has proven over and over again that he is a man of his word, a man of integrity, and a man who takes great pride in his work.— ANNE MARIE PIERCE, GRANDHAVEN LLC · MILWAUKEE, WI
Tell us about your vision and we'll help you build it — on time and on budget.
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