About Red's Construction & Renovation
Red's Construction & Renovation is a locally owned construction company proudly serving Federal Way and South King County, Washington. They operate as a licensed and insured contractor, offering transparent pricing with no hidden fees. Their work spans custom residential projects, with a notable focus on ADU construction — accessory dwelling units that are growing in demand across the region.
Much of their business comes through referrals and repeat clients, which reflects a consistent track record of delivering on their commitments. They offer tailored solutions designed to fit individual properties and homeowner goals rather than a one-size-fits-all approach.
ADU Construction Services
An Accessory Dwelling Unit (ADU) is a secondary housing unit located on a single-family residential lot. These units are designed for independent living and typically include a kitchen, bathroom, and sleeping area. In Federal Way and throughout Washington State, ADUs have become increasingly common due to housing shortages and updated zoning regulations that support their development.
Red's Construction & Renovation builds several types of ADUs, including:
- Detached ADUs (DADUs) — standalone backyard cottage units built separately from the main home
- Attached ADUs — units connected to the primary residence, often sharing a wall
- Garage conversion contractor services — converting unused garages into livable spaces
- Basement ADUs — finished basements converted into private living quarters
- Above-garage ADUs — units built above an existing garage to maximize vertical space
They work with homeowners to determine which ADU type best suits their property layout, zoning situation, and budget. Whether someone is looking for a granny flat builder, an in-law suite builder, or a detached ADU builder, Red's Construction & Renovation covers the full range of accessory dwelling unit construction.
Their ADU construction process is structured into clear phases:
- Free Consultation — property assessment, goal discussion, and preliminary cost estimates
- Design & Planning — architectural plans tailored to the property, including floor plans, elevations, and material selection
- Permits & Approvals — handling all zoning research, code compliance, and permit submissions with the city of Federal Way
- Construction — site preparation, foundation, framing, electrical, plumbing, HVAC, and finish work
- Final Walkthrough & Delivery — inspections, approvals, and a move-in ready handover
Navigating ADU permitting in Federal Way can be complex. Red's Construction & Renovation manages the permitting process on behalf of their clients, ensuring compliance with setback requirements, parking rules, and local building codes.
Practical Considerations for ADU Projects
Building an ADU offers several practical benefits. It can increase property value, provide space for multi-generational living, or generate rental income through long-term leases or short-term rentals. ADUs also offer flexibility — they can serve as home offices, guest suites, or private studios depending on the homeowner's needs.
That said, there are real considerations to keep in mind. The upfront cost of an ADU can be substantial, typically ranging from $100,000 to $300,000 or more depending on the type and scope. A garage conversion or basement ADU tends to be the more affordable route, often falling in the $50,000 to $100,000 range, since existing structures and foundations are reused. Detached units generally cost more due to standalone utility connections and new foundation work.
Compared to a standard home addition, a detached ADU typically costs more per square foot — roughly $300 to $500 versus $100 to $200 for an addition. However, ADUs offer the advantage of independent rental potential and greater privacy, which can make them a stronger long-term investment depending on the homeowner's goals.
Red's Construction & Renovation provides clear, itemized estimates and works within the client's budget throughout the project. Their local knowledge of Federal Way's building codes and zoning laws helps keep projects on track and avoids costly delays.