Menlo Park ADU Contractor – Custom Designed Guest Homes

Add a custom-designed attached or detached guest house to your property for extended family, visiting guests, or additional rental income.

Sigura Construction: ADU & Garage Conversion Experts.

Sigura Construction makes building an ADU in Menlo Park simple and stress-free! As a Menlo Park ADU contractor, we are highly experienced with local code requirements and manage the entire process from start to finish. We take care of all permitting and coordination so you don’t have to.

When you work with us, we provide a white-glove experience, handling design, permits, construction, and every detail involved in building a new detached home or converting an existing space into a fully equipped, independent living unit with a kitchen and bathroom.

We have 24 years in the construction industry, an A+ BBB rating, and Diamond Certified status for 18 years, we’re a trusted ADU construction company proudly serving Menlo Park and the greater San Mateo and Santa Clara county areas.

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Navigating Palo Alto ADU Rules: What You Need to Know in 2026

Inside a cozy ADU in Walnut Creek

Menlo Park continues to be one of the more ADU-friendly cities in the Bay Area thanks to California state housing laws and streamlined local approval pathways. Whether it's a detached backyard cottage, garage conversion, or attached in-law suite, building an ADU in Menlo Park has become more achievable than ever.

Key Highlights:

• No minimum lot size required for ADUs
• Detached and attached ADUs generally allowed up to 1,000 sq ft
• 4 ft side and rear setbacks commonly permitted for qualifying ADUs
• Detached ADUs typically allowed up to 16–17 ft in height depending on size and site conditions
• Ministerial (by-right) approval for qualifying projects, no public hearings required
• Many garage conversions and interior ADUs can retain existing setbacks
• Reduced impact fees for ADUs under 750 sq ft
• EV readiness, Title 24 energy compliance, and updated California green building standards apply

We handle the entire process from zoning review and site measurements to custom design, permit plans, engineering coordination, and communication with Menlo Park Planning & Building to help keep your project moving efficiently.

With properly prepared plans, many homeowners are seeing faster approval timelines than ever before.

If you searched “ADU contractor near me” and are considering building a guest house for family, creating a private home office, or maximizing rental income potential in the competitive Peninsula housing market, you’re in the right place. With 24 years of experience, an A+ BBB rating, and Diamond Certified recognition for 18 years, we’re proud to be a trusted ADU builder and garage conversion contractor serving Menlo Park, San Mateo County, and Santa Clara County.

Types of ADUs

Attached ADU

What is an ADU? ADU Icon 2

Attached ADUs are newly constructed additions that connect to the primary home, designed to blend seamlessly with the existing structure while maintaining a private, separate entrance.

Detatched ADU

What is an ADU? ADU Icon 1

Detached ADUs are newly built, fully independent structures located in the backyard, designed to function as separate living units that offer maximum privacy.

ADU Conversion

What is an ADU? ADU Icon 3

An ADU conversion that transforms an existing garage, attic, basement, or room into a separate living unit with its own entrance.

What are you planning?

We'd love to hear about it! Our team with over 24 years experience in home additions and ADUs will team up with you to make your dreams come true.

The Benefits of an ADU in Menlo Park

  • Boost Property Value

    Want to boost your property value by 20-50%? They're recognized as potential for separate income-producing potential, which makes your home even more desirable.

  • Keep Family Close

    For guests, parents, in-laws or adult children who can't afford Palto Alto home prices that keep increasing. This is a great alternative.

  • Personal Workspace or Gym

    Since there's not owner occupancy requirements in Palo Alto, you can use your ADU as a studio, gym or any hobbies you're into!
  • AirBNB Rental Income

    Start making $2,500-$5,000/month renting out your ADU with apps like AirBNB, especially in Silicon Valley / Bay Area!

What Our Clients Say About Us!

Our Completed Projects Across the Bay Area

Morgan Hill New Home Remodel Virtual Tour

Ralph

Morgan Hill Remodel

Full custom home construction in Sunnyvale, Bay Area.

Eagle Dr

Sunnyvale Home Remodel

Beautiful kitchen remodel with wooden cabinets and island in San Jose.

Englewood

San Jose Home Addition

Incredible custom home built in Palo Alto.

Webster

Palo Alto Remodel

Bay Area modern kitchen with wooden cabinets and new flooring.

Frontenac

Sunnyvale Home Remodel

Need an ADU, Fast?

Sigura Construction is your trusted ADU contractor serving not just Menlo Park, but San Mateo, Santa Clara, and the greater Bay Area.