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How Much Does It Cost To Build a Duplex?

Building a duplex can be an affordable way to create new streams of rental income.

[Updated: Oct 05, 2021 ] Sep 02, 2020 by Liz Brumer

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Item Average Cost
Building plans, which include:Architectural drawings and floor plan designStructural engineer blueprintsConstruction documentsDevelopment permits 10% - 17% of total building budget
Labor:Contractors and licensed professionals such as electrician, plumber, or project manager 35% - 40% of total building budget
Materials:All fixtures, finishes, and materials involved in construction and finishing of the duplex 50% - 60% of total building budget


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