JAM Concept Remodeling

JAM Concept Remodeling is a licensed, bonded, and insured residential general contractor based in Portland, Oregon, specializing in ADUs, basement conversions, home additions, structural remodeling, historic home restoration, and new residential construction throughout the Portland metropolitan area. With more than 25 years of hands-on construction experience, the company has developed extensive expertise in structural framing, seismic retrofitting, foundation upgrades, and remodeling older homes, helping homeowners maximize their property’s functionality and value.

Operating as a design-build contractor, JAM Concept Remodeling manages projects from the initial consultation through planning, engineering coordination, permitting, and construction. The company specializes in detached ADUs, basement ADU conversions, garage conversions, and home additions, working closely with homeowners, engineers, inspectors, and specialty trades to deliver code-compliant, high-quality living spaces. Their extensive experience with Portland’s older homes allows them to identify structural challenges early and implement practical, long-lasting construction solutions.

Services

• Accessory Dwelling Units (ADUs)
• Detached ADUs
• Basement ADU Conversions
• Garage Conversions
• Home Additions
• Basement Remodeling
• Historic Home Restoration
• Residential Remodeling
• New Home Construction
• Structural Framing
• Seismic Retrofitting
• Foundation Reinforcement
• Waterproofing
• Excavation
• Roofing Services
• Interior Renovations
• Exterior Renovations
• Design-Build Services
• Engineering Coordination
• Permit Coordination
• Construction Management
• General Contracting

Why Choose JAM Concept Remodeling?

• Over 25 years of construction experience
• Licensed, bonded, and insured Oregon contractor (CCB #202777)
• Complete design-build ADU services
• Specialists in basement ADUs and detached ADUs
• Extensive expertise in structural framing and seismic retrofitting
• Strong background in historic home restoration
• Hands-on project management from planning through completion
• Experienced working with Portland’s older homes
• High-quality craftsmanship with attention to structural integrity
• Free consultations and project estimates