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All you need to know about building room for more.

Featured Projects

468 Sq Ft, 1 Bedroom ADU Perfect for Your Backyard Space

An eye-catching, budget-efficient 1 BR / 1 Ba detached accessory dwelling unit for any homeowner looking for room for more on their property.

Featured Projects

From Underused Oakland Garage to 364 sq. ft. Detached ADU

Cottage helped this Oakland native transform her old 2-car garage space into a 364 square foot livable and rentable 1 bedroom ADU unit.

Featured Projects

Duplex Detached Accessory Dwelling Units for Berkeley Property Owner

Cottage value engineered these two custom ADUs with two bedrooms, one bathroom each for a local property owner looking to rent to Berkeley grad students and young families.

Featured Projects

Two Car Garage Conversion from Storage to Spacious Detached ADU

Cottage helped this Palo Alto family convert their existing historic garage into a great space for grandma and entertaining guests.

Featured Projects

2 Bedroom Rental ADU for South San Francisco Property Investor

Check out the Matterport of this completed ADU below! Local real estate property investor Hai came to us looking to take advantage of the new ADU regulations to create more rental income while adding local housing units.

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