/  Home Additions
Custom Home Addition Service Area

Building home additions in San Luis Obispo County and Santa Barbara County

Custom residential additions planned around the existing architecture, structural needs, interior flow and long-term use of the home.

(805) 464-1592
Custom Home Additions

Build a home addition that feels original to the house.

H&M Construction builds custom home additions that create meaningful new square footage while respecting the architecture and function of the existing house. We plan the connection, structure, systems, layout, and finishes as one coordinated project.

  • Custom Layouts
  • Structural Coordination
  • Seamless Finishes
Custom home addition designed to blend with an existing residence
More Home, Thoughtfully Added New square footage that looks and feels like it belongs.
Designed Around the Existing Home

The best addition feels original to the house.

H&M Construction considers exterior proportions, interior circulation, structural requirements, and finish continuity so the new space improves the entire home—not only the added room.

Design

Architectural Integration

Rooflines, windows, exterior materials, ceiling heights, and transitions are planned to create a cohesive finished result.

Explore Drafting & Design
Coordinate

Structure & Home Systems

Framing, foundation work, electrical, plumbing, heating, cooling, and connections to the existing home are organized together.

Explore Project Planning
Finish

Interior Continuity

Flooring, trim, doors, lighting, paint, and other details are selected and installed to support a natural flow between old and new.

Explore Permit Expediting
Planning an ADU or Home Project?

Let’s Talk About Your Property

Tell us about your space, goals and the type of project you have in mind. A member of the H&M Construction team can follow up to discuss possible next steps.

  • Free initial project estimate
  • ADUs, additions and remodels
  • Service available in English and Spanish
Start a Conversation

Ready to Discuss Your Project?

Visit our contact page to tell us about your property, your goals and the best way for our team to reach you.

Contact H&M Construction

No obligation. Your information will only be used to respond to your project inquiry.