Modern ADU construction in the Bay Area — aerial view of a professionally designed accessory dwelling unit
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    The Bay Area's Premier ADU Builder

    Transform YourBackyard Into Income

    Join 100+ Bay Area homeowners generating $2,500–$4,500/month in passive rental income with a professionally designed ADU.

    Get Your Free Consultation
    5-Star Reputation
    100+ ADUs Built
    CA Lic #1097852
    Bay Area Service

    Trusted & Verified On

    $2.5K–$4.5K

    Monthly Rental Income

    20–30%

    Property Value Increase

    60 Days

    Permit Approval

    100%

    Permit Compliance

    California's ADU Revolution Is Your Chance to Build Wealth

    New state laws have eliminated barriers and streamlined approvals. The Bay Area's housing shortage means your ADU will be in high demand from day one. This is the smartest real estate investment you can make on property you already own.

    Generate $30,000-$54,000+ in annual rental income
    Increase your property value by 20-30%
    House family members while maintaining privacy
    No owner-occupancy requirements in California
    60-day streamlined permit approvals
    Check If Your Property Qualifies
    Atlantis Remodeling team with happy ADU clients

    $54K+

    Annual Rental Income Potential

    Choose Your Perfect ADU

    From backyard cottages to garage conversions, we design and build ADUs tailored to your property and investment goals.

    Detached ADU
    Most Popular

    Detached ADU

    Up to 1,200 sq ft

    $200K - $400K+

    Standalone structure in your backyard offering maximum privacy and flexibility

    Complete independence
    Full kitchen & bath
    Separate entrance
    Higher rental income
    Attached ADU

    Attached ADU

    Up to 1,200 sq ft

    $150K - $350K

    Connected to your main home, cost-effective with shared utilities

    Lower construction cost
    Boosts home value
    Easy access
    Integrated design
    Garage Conversion

    Garage Conversion

    400-600 sq ft

    $100K - $250K

    Transform your existing garage into a modern living space

    Most affordable option
    Ideal for a family member
    Faster completion
    No new footprint
    Junior ADU

    Junior ADU

    Up to 500 sq ft

    $75K - $150K

    Smaller unit within your existing home, perfect for single occupants

    Minimal construction
    Efficiency kitchen
    Shared entrance option
    Lowest cost

    Popular ADU Configurations

    Explore our most requested layouts. Each plan is fully customizable to match your vision.

    Find your best-fit layout

    Answer a few quick questions — we'll recommend the ideal starting point.

    Step 1 of 3
    What are you building?

    This helps us match the right structural approach.

    Your recommendation will appear here

    Choose options above to see the best starting layout.

    Filter by type

    Not seeing your exact fit? Every layout is customizable.

    Garage Studio floor planMost Affordable

    Garage Studio

    400 sq ft$100K+
    1-Bed Suite floor planMost Popular

    1-Bed Suite

    600 sq ft$180K+
    2-Bed Family floor planFamily Friendly

    2-Bed Family

    800 sq ft$250K+
    3-Bed Premium floor planMax Size

    3-Bed Premium

    1,200 sq ft$350K+

    Want a plan that fits your lot — fast?

    We'll recommend the best path (detached, attached, or garage conversion) and map the next steps.

    See financing options

    Calculate Your ADU Investment

    Use our interactive tools to estimate costs and potential returns

    Cost Estimator

    Estimated Investment

    $210,000 – $300,000

    Includes design, permits, and construction

    Get Detailed Estimate

    ROI Calculator

    Monthly Rental Income

    $3,500

    Annual Income

    $42,000

    Payback Period

    6 years

    Calculate Full ROI

    Your Journey to a New ADU

    From first call to move-in ready in 6-8 months. Here's how we make it happen.

    01
    Day 1

    Discovery Call

    Free 30-minute consultation to discuss your vision, property assessment, and project goals.

    02
    Week 1

    Site Analysis

    On-site evaluation, feasibility study, and preliminary design concepts tailored to your lot.

    03
    Weeks 2-4

    Design & Planning

    Architectural plans, 3D renderings, material selections, and detailed project scope.

    04
    Weeks 5-12

    Permit Approval

    We handle all permit applications with our expedited processing relationships.

    05
    Weeks 13-28

    Construction

    Expert craftsmanship with weekly updates, quality checkpoints, and transparent timeline.

    06
    Week 29-30

    Move-In Ready

    Final inspection, certificate of occupancy, and complete project handover.

    Reviews

    What Our Clients Say

    Real feedback from homeowners who trusted us with their projects

    Common Questions About ADUs

    Everything you need to know about building an ADU in the Bay Area. Can't find your answer? Let's talk.

    Ask Us Anything

    Ready to Build YourDream ADU?

    Join 100+ Bay Area homeowners already generating passive income. Schedule your free, no-obligation consultation today.

    Free property assessment included · No obligation · Response within 24 hours