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The timeline typically ranges from 4 to 8 months. Permitting can take anywhere from 1 to 3 months depending on the city, while construction generally takes another 3 to 5 months. At ADUcsale, we manage the entire process for you — from permits to final inspection — to help avoid unnecessary delays.

Yes, we provide a variety of pre-approved, permit-ready ADU plans that comply with both California building codes and specific local zoning rules. These plans help speed up city approval times and reduce the chances of plan rejections. If needed, we also offer fully customized design services.

Yes, we partner with several financing providers who offer ADU-specific loan options such as home equity lines of credit, cash-out refinancing, and renovation loans. We can guide you through the available financing paths and connect you with the right lender for your situation.

In most cases, adding an ADU will slightly increase your property’s assessed value, which can result in a minor property tax adjustment. However, under California’s Prop 13, your main residence will retain its original assessment. As for insurance, we recommend updating your homeowner’s policy after the ADU is completed to ensure it’s fully covered.

Yes, our turnkey service includes everything from site evaluation and architectural planning to permitting, utility hookups, full construction, and final inspections. We manage the entire project on your behalf, so you don’t have to coordinate with multiple contractors or city departments.