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cali dream construction Garage Conversion & Additions – Cost Range
Any location realistic planning ranges
Use this to get a smart planning range for a garage conversion or new living space. We'll tighten the numbers after a quick walkthrough.
Project basics
High‑level inputs for your project. We'll combine this with local pricing and recent projects to shape a realistic range.
Garage conversions
Room & second‑story additions
National pricing, local cost level
Location & property
We can talk through hybrids later – just pick what's closest.
Size & scope
Include the whole footprint of the new living space.
Higher‑end cabinetry, glazing, and complex structural work will push the range up.
Timing & priorities

Not a quote. This tool gives a planning range only, based on typical national garage conversions and additions adjusted to your local cost level. Actual pricing depends on structural work, design, access, utilities, and city approvals.

Rough range & quick strategy call
We'll calculate a conservative low-high range and route your project to the site owner so they can talk through phasing, ROI, and approvals.
Your details

By submitting, you consent to the website owner reviewing your project and contacting you about this remodel. This info is used to plan projects and improve our pricing tools. We don't sell your personal contact details. Anonymous project data may be used to improve internal pricing models. See our privacy notice.

Frequently Asked Questions

How much does a garage conversion cost?

Garage conversions typically cost $20,000-60,000 depending on scope. A basic conversion with flooring, insulation, and electrical runs $20-35K. Adding a bathroom or kitchenette increases costs to $40-60K+.

Do I need a permit for garage conversion?

Yes, garage conversions always require permits including building, electrical, and plumbing permits. In California, ADU garage conversions also need to meet specific size and setback requirements.

Does converting my garage decrease home value?

A well-done garage conversion can increase home value by adding livable square footage. However, losing garage space may reduce value in areas where parking is essential. ADU conversions often add $50-100K+ in value.

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