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Home & Room Addition Contractorsin San Francisco

Design-Build Home Additions by a Licensed General Contractor

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Mission Home Remodeling is a San Francisco–based design-build remodeling & construction company specializing in home and room additions. From architectural plans and permits to full construction, we handle everything under one roof—so your addition feels seamless, predictable, and built to last.

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Add Space Without Leaving the Home You Love

If your family is growing, your needs have changed, or your home simply needs more room, a thoughtfully designed addition can give you the space you need—without the stress of moving.

We help homeowners add:

Bedrooms and primary suites

Family rooms and living spaces

Home offices and flex rooms

Second-story additions

Expanded kitchens and dining areas

Each addition is designed to blend naturally with your existing home—structurally, visually, and functionally.

Why Homeowners Choose Missionfor Home & Room Additions

One Integrated Design-Build Team

Architectural layouts and plans

Structural engineering (when required)

In-house construction by licensed general contractors

Permits and inspections handled for you

Licensed & Code-Compliant

California Licensed
General Contractor (CSLB)

Fully licensed and insured

Built to meet San Francisco & Bay Area codes

Predictable, Transparent Process

Consistent communication
from start to finish

One team,
one contract

Transparent pricing and realistic timelines

Testimonials & reviewsReal Stories, Remarkable Results

Discover what Bay Area homeowners say about their remodeling experience with Mission Home Remodeling

Click to explore more verified client reviews on Google, Yelp, and BBB Accredited Business

Our Home Addition Process

We guide you through each phase clearly and carefully.

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Consultation & Feasibility Review

We assess your property, zoning, and goals.

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Design, Plans & Permits

Our team handles layouts, AI concepts, architectural drawings, and city approvals.

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Construction Phase

Licensed general contractors build your ADU with quality craftsmanship and daily updates.

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Final Walkthrough & Inspection Sign-Off

We ensure everything meets code and your expectations.

With Mission Home Remodeling, your project stays on time, on budget, and built to last.

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Up to 18 months available

Flexible Monthly Payment Options for Your Project

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Featured Project inRoom Addition Projects

A remodel that reflects our experience, attention to detail, and deep understanding of local living.

Serving the San Francisco Bay Area

We serve San Francisco, the Peninsula, San Jose, East Bay, and North Bay communities. Wherever your home is located, we bring quality construction and proven expertise.

Limited Availability

Now booking upcoming projects

Free consultation & estimate available for a limited time

Your Project. Our Expertise. Built to Last.

Whether it’s a custom home, commercial build, or remodel, our construction team delivers results you can count on.

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