10+ Coinsurance Homeowners Policy. Secondly, most homeowners' policies do not even contain the term coinsurance. In property insurance, the coinsurance clause requires the homeowner to insure the. Coinsurance A Reminder to Check if You Are Insured to Value from www.propertyinsurancecoveragelaw.com For example, a $1 million. You insure the building for $80,000 thinking you have fulfilled …