ADU Construction and Garage Conversions – San Diego County

Your Property, Our Promise

Inspections Within 24-48 Hours

Manufacture Material Warranties

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Hours:

Garage

ADU Construction & Garage Conversions

bath

Interior Remodeling - Kitchen, Bath & Full Home

house

Room Additions & Square Footage Expansion

Time to Build

3–6 months (depending on design, permits, and site conditions)


Cost Range: $125,000–$325,000+


Pricing Disclaimer: Cost ranges are estimates only. Final pricing will vary based on your specific project size, roofing materials, and site conditions. A written proposal will be provided after inspection.


Financing Options: HELOC, ADU-specific loans, CalHFA ADU Grant


All financing options are subject to credit approval and may vary based on program eligibility. We'll help you find a solution that works for your timeline and budget—no pressure, no surprises.


Looking to increase livable space, generate passive income, or support multigenerational living? TAG Roofing & Solar offers full-service Accessory Dwelling Unit (ADU) construction and garage conversions throughout San Diego.


Whether you’re converting a detached garage into a rental suite or building a standalone backyard cottage, our licensed general contractors manage every detail—from permitting and planning to build-out and final inspection. Most ADUs take 3–6 months to complete depending on scope, site conditions, and jurisdictional reviews.


Why Build an ADU with TAG?

  • Increase property value and rental income
  • Comply with SB-9 and ADU-friendly zoning laws
  • Energy-efficient builds with solar-ready design
  • Seamless garage-to-living space conversion
  • Full-service permitting, plans, and construction
  • Local experience across San Diego County cities
  • ADU grant guidance and cost-reducing options


What to Expect When Hiring TAG

  • Feasibility Walkthrough & Consultation We assess your lot size, utility access, garage condition (if applicable), and local zoning to confirm what’s allowed and achievable.
  • Custom Design + Preliminary Estimate Whether prefab, modular, or fully custom, we help select a layout that fits your goals—studio, 1-bed, 2-bed—and provide a concept-level cost range.
  • Permitting & Engineering Plans We prepare architectural drawings, Title 24 reports, and submit your plans to the city. Most jurisdictions now allow expedited ADU permitting.
  • Site Prep & Construction Our licensed crews handle demolition, grading, trenching, foundation pouring, framing, and full vertical construction. We ensure energy and code compliance every step of the way.
  • Interior Buildout & Inspection We finish with plumbing, electrical, HVAC, insulation, windows, drywall, paint, and appliance installation. Final city inspections are coordinated and cleared by TAG.
  • Handover & Walkthrough You’ll receive keys, warranty paperwork, and a move-in checklist. We also offer solar and roofing add-ons at this stage for long-term efficiency.


When downtime costs you thousands, don’t wait. Call TAG Roofing & Solar for trusted commercial emergency roofing in San Diego—anytime, any day.

Reviews


Protect Your Home By Repairing or Replacing Your Damaged Roof

Contact us today for more information.

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Key FAQs

  • What types of buildings qualify for emergency service?

    Office parks, warehouses, schools, hospitals, retail centers, and multi-tenant buildings—all covered.

  • Can you work with my insurance carrier?

    Yes, we document damage thoroughly and assist with claims management.

  • Will you start permanent repairs immediately?

    Once the building is safe and dry, we begin code-compliant permanent repairs as quickly as possible.

Our home is 32 years old and needed a new roof. Karl was great and easy to work with through the estimation/quote process. The office was easy to work with for payments and scheduling. Anthony and his team were fun to work with while delivering on everything they said they'd do. Anthony kept the project running on schedule, worked around rainy days, and was a great resource for us to ensure our home was safe. The new roof looks excellent, new wood work around the roof turned out great, overall very happy.

Matthew K.