Our Process
At Costello & Co Construction, we believe exceptional spaces begin with strong partnerships. As a women-owned design-build firm and general contractor serving Oakland County, Michigan, our remodeling process is built on transparency, collaboration, and expert project management — ensuring a seamless experience from concept to completion. Whether you’re planning a whole-home renovation, custom kitchen remodeling, or a thoughtfully designed bathroom renovation, our team guides you through every step with clarity and care.
01
Discovery & Consultation
Every project begins with a conversation. We’ll get to know your style, needs, and vision & share how we can help bring it to life. From there, we’ll schedule an on-site consultation to dive deeper into your space and goals.
02
Design & Planning
We create a design plan that reflects your vision and honors the character of your home. Whether you’re renovating a single space or transforming your entire home, we collaborate closely with you on layouts, materials, finishes, and details, ensuring every element feels personal and intentional.
03
Estimate & Contract
Once the design is finalized, we’ll provide a detailed proposal outlining scope, timeline, and investment. We walk you through every line so you feel confident moving forward. No surprises & no guesswork.
04
Construction & Craftsmanship
This is where the vision becomes reality. Our trusted team manages every detail of the build — keeping your project on time, on budget, and crafted to our highest standards. We maintain clear communication throughout, so you always know what’s happening and what’s next.
05
Final Walkthrough & Beyond
Before we call it complete, we’ll walk the space with you to ensure every detail meets your expectations. But our care doesn’t stop there — we stand behind our work and remain a resource for you long after the project wraps.
Whether you’re remodeling a kitchen, transforming your entire home, or adding custom details, our process is built to ensure care and craftsmanship at every step. Explore our full range of services.