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Cost to add a one-room accessory dwelling to a home in Menlo Park
Accessory Dwelling Unit, ADU, costs, projects Kevin Casey Accessory Dwelling Unit, ADU, costs, projects Kevin Casey

Cost to add a one-room accessory dwelling to a home in Menlo Park

This project, built in 2018, cost a total of $290,964.78 for design, permitting, and construction.

With a versatile design like this one, the family will be able to use the ADU as a gathering space, an additional home, or a rental for additional income. Over time, the ADU can serve multiple purposes, evolving to meet the owners’ needs.

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Typical accessory dwelling costs in California
Kevin Casey Kevin Casey

Typical accessory dwelling costs in California

An accessory dwelling is a deeply personal thing. Every property, home, and homeowner is different. Your needs, tastes, and site will be different from those of your neighbor. So naturally, design, permitting, and construction costs will vary from project to project…

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