Turnkey ADU Construction in Los Angeles

Turnkey ADU Construction in Los Angeles

Build your ADU through one coordinated process from the first property review to final handover. AXMIS Construction manages design coordination, feasibility, budgeting, permits, site work, utilities, construction, inspections, and finishing throughout Los Angeles, the South Bay, and the Westside.

More Possibility at Home

What Is Turnkey ADU Construction?

Turnkey ADU construction is a complete project-delivery approach in which one coordinated team guides the accessory dwelling unit from early planning through construction and final completion.

Instead of managing architects, engineers, permit submissions, consultants, suppliers, and separate trades independently, the homeowner works through a structured process with clearly defined responsibilities and project milestones.

AXMIS coordinates the property review, design development, engineering, estimating, permitting, material selections, site preparation, construction, inspections, and closeout so decisions remain aligned from beginning to end.

Custom Planned

Designed Around the Property

Full-Service

Preconstruction Through Completion

LA Based

South Bay and Westside Projects

Planning Intelligence
Every square foot has to work harder

Every square foot has to work harder

Property Feasibility

The lot, existing structures, access, setbacks, utilities and likely construction constraints are reviewed before the project advances.

Design Coordination

Architecture, engineering and consultants are aligned around a single buildable plan before permitting begins.

Utility Coordination

Electrical, plumbing, sewer, water, HVAC and site connections are assessed as part of early constructability planning.

Transparent Budgeting

Scope, allowances, selections and assumptions are documented so the owner can understand the budget before field work begins.

Our process,step by step

Our process,
step by step

01 PHASE

Site setup & foundation

Months 1–2
  • Site protection and layout
  • Grading and excavation
  • On-site utility trenching
  • Under-slab plumbing
  • Footings, rebar and slab
02 PHASE

Structure & envelope

Months 2–4
  • Wall and roof framing
  • Sheathing and hardware
  • Roofing and waterproofing
  • Windows and exterior doors
  • Exterior cladding
03 PHASE

Rough systems & insulation

Months 3–5
  • Plumbing rough-in
  • Electrical rough-in
  • HVAC installation
  • Rough inspections
  • Insulation and air sealing
04 PHASE

Interior build-out

Months 5–7
  • Drywall and paint preparation
  • Cabinets and countertops
  • Tile and flooring
  • Interior doors and trim
  • Interior painting
05 PHASE

Finishes, inspections, handover

Months 7–9
  • Fixtures and appliances
  • Finish plumbing and electrical
  • Touch-ups and punch list
  • Final inspections
  • Cleaning and handover
4.9

Reviews

We're proud to have helped thousands of customers find peace of mind.

Read Testimonials
  • RM
    Robert Mitchell
    9 months ago

    We chose AXMIS Construction for our custom home project and were impressed by their level of professionalism. They helped us through planning, design coordination, permitting, and construction. The team cared about the quality of the final result and made sure the details were done properly. Highly recommended for anyone building or renovating a home in the Los Angeles area.

  • EP
    Emily Parker
    9 months ago

    AXMIS helped us with a major renovation of our home, including the kitchen, bathrooms, flooring, and several structural changes. The team was professional and detail-oriented throughout the entire project. What we appreciated most was how transparent they were about the scope, schedule, and changes during construction.

  • DT
    David Thompson
    9 months ago

    Great experience working with AXMIS Construction. We were looking for a reliable general contractor in Los Angeles and are glad we chose them. Communication was consistent, the project stayed organized, and whenever we had questions, the team responded quickly and explained our options.

  • DC
    Daniel Carter
    9 months ago

    We hired AXMIS Construction for a full home remodel and had a great experience from start to finish. The team was organized, communicated clearly, and helped us understand every stage of the project. The quality of the work exceeded our expectations, and the final result looks amazing.

  • MR
    Michael Reynolds
    9 months ago

    AXMIS Construction did an excellent job on our home addition. They helped coordinate the design, permits, construction, and inspections, which made the whole process much easier for us. The team was professional, responsive, and paid attention to every detail.

  • JW
    Jessica Wernick
    9 months ago

    They built a magnificent extension for our house. The work was done efficiently, on time, and with attention to every detail. We now have the cozy extra space we've always dreamed of...

    Designed for Real Life

    One structure.
    Multiple possibilities

    The best layout and specifications depend on who will use the ADU now and how the property may need to adapt in the future.

    Multigenerational Living

    Private, nearby space for parents, adult children or extended family with independent living functions.

    Guest Residence

    A comfortable place for visitors that preserves privacy for both the guests and the main household.

    Work & Creative Space

    A quiet studio, office or flexible workspace separated from daily activity inside the primary residence.

    Long-Term Flexibility

    Additional living space that can evolve as household needs, work patterns and family arrangements change.

    Property Improvement

    Thoughtfully designed square footage that can improve the usefulness and long-term appeal of the property.

    Independent Living

    A complete residence with its own kitchen, bathroom, sleeping area, mechanical systems and entrance.

    ADU Regulations in Los Angeles
    Before Starting Turnkey ADU Construction

    Before Starting Turnkey ADU Construction

    A successful turnkey project begins with a defined scope and realistic understanding of the property. Site conditions, ADU type, design requirements, utilities, access, permitting, finish expectations, budget assumptions, and responsibilities should be coordinated before field work begins.

    What is included in turnkey ADU construction?

    The exact scope is established for each project and may include feasibility review, architectural and engineering coordination, estimating, permit support, material selections, site preparation, utility work, construction, inspections, punch-list completion, and owner handover.

    Can AXMIS manage the design and permit process?

    Yes. AXMIS can coordinate the preconstruction process with architects, engineers, consultants, and permitting agencies so the design, scope, budget, and construction requirements remain aligned.

    What types of ADUs can be delivered turnkey?

    The approach may be used for detached ADUs, attached ADUs, garage conversions, and other approved accessory dwelling unit configurations. The recommended direction depends on the property and the homeowner’s goals.

    How much does turnkey ADU construction cost?

    Cost depends on the ADU type and size, site conditions, design complexity, utility connections, structural requirements, permitting, access, material selections, and finish level. A project-specific estimate is prepared after the scope is defined.

    Residential Construction Services

    Built for the way you want to live

    From a ground-up residence to a transformative remodel, every project receives the same rigorous planning and field oversight.

    CUSTOM ADU INTERIOR
    Common ADU Questions

    Before starting an ADU project

    Before starting an ADU project

    A coordinated approach reduces the number of separate parties the homeowner must manage. It also helps connect design decisions with permitting, pricing, constructability, scheduling, materials, and field execution.

    The timeline depends on the ADU type, design stage, permit review, property conditions, utility work, material selections, and construction complexity. AXMIS develops a project-specific schedule after feasibility and scope review.

    Yes. AXMIS can begin with existing architectural or permitted plans. We review constructability, site conditions, utility strategy, specifications, scope completeness, pricing assumptions, and permit status before construction begins.

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