"If you add an ADU to your property, you will need to add it to your coverage. That's because your homeowners policy was designed with dwelling coverage limits based on the cost to rebuild the original home — not the home with the new granny flat," says Angela Orbann, vice president for personal insurance at Travelers Insurance. Credit: moehong/Adobe stock

In a push to shore up housing stocks, municipalities across the country have loosened regulations around accessory dwelling units (ADU), colloquially known as granny flats or in-law suites.

New York City became the most recent city to toss support behind ADU construction. The city is now running a pilot program that offers residents in single-family homes up to $400,000 to offset the cost of adding a unit over the garage and in an expanded woodshed, PropertyCasualty360.com sister site GlobeSt.com reported.

Want to continue reading?
Become a Free PropertyCasualty360 Digital Reader

Your access to unlimited PropertyCasualty360 content isn’t changing.
Once you are an ALM digital member, you’ll receive:

  • Breaking insurance news and analysis, on-site and via our newsletters and custom alerts
  • Weekly Insurance Speak podcast featuring exclusive interviews with industry leaders
  • Educational webcasts, white papers, and ebooks from industry thought leaders
  • Critical converage of the employee benefits and financial advisory markets on our other ALM sites, BenefitsPRO and ThinkAdvisor
NOT FOR REPRINT

© 2025 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Steve Hallo

Steve Hallo is managing editor of PropertyCasualty360.com. He can be reached at [email protected]