ADU site work and utility costs are driven by 10 factors. Know what to expect when building an ADU in San Diego. So here are 5 hiddenADUcosts to watch out for as you plan your granny flat. 1. ADUs larger than 750 square feet must pay development and impact fees. Uncover the hiddencosts of ADU construction. Before embarking on your Accessory Dwelling Unit project, learn about the unexpected expenses that may arise. Are you considering adding an accessory dwelling unit (ADU) but are overwhelmed by the cost to build an adu? This detailed guide will help you through it all. Hiddencosts, such as increased property taxes and permitting fees should be considered before deciding which type of ADU will work best for your situation. 1. Utility Connections That Cost More Than ExpectedHow to Avoid These HiddenADUCostsHow to Avoid These HiddenADUCosts. No one can predict every surprise. Explore the essentials of investing in Accessory Dwelling Units (ADUs) in 2025, including construction costs, types, hidden expenses, and strategies to maximize your return on investment. 4 HiddenCosts of Accessory Dwelling Units You Need to Know. Learn how to avoid surprise expenses and stay on budget during your next build. Table of ContentsHow Much Does It Cost To Build ADU?HiddenADUCosts Property Owners Often Overlook Hidden Hills requirements for attached/detached ADU and garage conversions.Hidden Hills ADU Information. Visit Symbium, your free, one-stop resource for ADUs in California. How Much Does It Cost to Build an ADU in San Diego?Cost Breakdown of an Average ADUHiddenCosts Homeowners Overlook HiddenADUCosts and Long-Term Considerations. Knowing the full picture helps you make a smarter ADU rental investment. Beyond construction, homeowners should plan for ongoing costs... Before you design and build an ADU, consider the costs and benefits. Tally up how much an ADUcosts in California and if it fits your budget. Contents hide4 ADU Design vs Cost Considerations6 Ways to Reduce ADU Building Costs
