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projects, accessory building Mason Blake projects, accessory building Mason Blake

Converting a detached garage to a studio workspace in Oakland

A New Avenue design professional created the perfect space for Jose’s classic car (a VW Thing) and his bicycles. The designer was careful to create a plan that would protect the big Ponderosa pine in the yard. The garage door entry means Jose can store his VW, motorcycle, and bicycles in the accessory structure when he’s not using it as a workspace. The half bath makes it a great personal retreat and a well-appointed workspace. Here are the drawings and floor plan.

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projects, accessory building, remodel Mason Blake projects, accessory building, remodel Mason Blake

Expanding an owner’s retreat and adding a detached studio in San Mateo

Brian and Dawn’s designer created plans to replace the existing accessory structure with a new 352-square-foot detached studio with a half bath. A deck and firepit give the owners and guests a comfortable place to relax or entertain.

The designer created plans to extend the owner’s suite in the main home, giving the homeowners more space in their bedroom and bathroom.

Here are the plans.

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costs, projects, ADU, Accessory Dwelling Unit Mason Blake costs, projects, ADU, Accessory Dwelling Unit Mason Blake

How much does property tax increase when you convert a shed into a two-bedroom accessory dwelling in Berkeley?

Property tax in this area tends to increase by one-half of one percent of the total cost of the project. When you add an accessory dwelling, your existing home is not reassessed. An ADU like this one will cost around $500,000, resulting in a tax increase of $2,500 per year. That’s $208.33 per month.

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