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Yemai

Room to grow, without leaving home

Multigenerational living, master suites, sunrooms, and Accessory Dwelling Units (ADUs).

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Whole-Home Additions & ADUs

Why a Whole-Home Additions & ADUs?

When you love your neighborhood but have outgrown your house, an addition is the smartest investment you can make. Whether it's expanding your kitchen, adding a second story, or building a standalone ADU for aging parents, we handle the complex structural engineering and build out seamlessly.

What's Included

Architectural drafting and engineering

Zoning, permitting, and variance handling

Foundation pouring and structural framing

Roofing and siding matching to existing home

Full plumbing, electrical, and HVAC extension

Insulation, drywall, and interior finishing

Turnkey completion ready to furnish

Our Process

01

Feasibility Study

Checking property lines, zoning laws, and budget.

02

Architecture

Drafting stamped plans for city approval.

03

Permits

We manage the entire city approval process.

04

Construction

Phased building to minimize disruption to your life.

05

Final Inspection

City sign-off and final walkthrough.

Pricing Guidance

Major structural additions and ADUs are significant investments, typically ranging from $80,000 to $300,000+. We provide highly detailed, line-item quotes before any commitment.

Frequently Asked Questions

Do you handle the architectural plans?

Yes, we work with trusted architects and structural engineers to provide a seamless design-build experience.

How long does an addition take?

Permitting can take several weeks to months depending on the city. The actual build usually takes 2 to 4 months.

Ready to talk about your project?

Free estimate, no obligation, usually booked same week. Or ask our assistant a question right now โ€” answers in seconds.