Summary: The coverages of the standard homeowners forms (Forms HO 00 02, 03, 04, 05, 06, 08, and 14) are designed to provide the kinds of insurance protection that most homeowners will need. However the needs of individual insureds can diverge, so endorsements are used to tailor coverage to meet these needs. Additionally, insurers may use endorsements to limit coverage, like when the windstorm or hail exclusion endorsement is attached to coastal homeowners policies.

The endorsements discussed here are those under the jurisdiction of Insurance Services Office (ISO). They do not constitute the extent of tailoring possible with respect to homeowners forms. The introduction in the ISO homeowners manual to the program's general rules state that "in all cases not specifically provided for in this manual," the rules, rates, forms, and endorsements of individual insurers govern each coverage. This makes it possible for insurers to develop special endorsements as the need arises, assuming, of course, that the proposed risk is considered insurable and that an appropriate premium can be obtained.

The homeowners program was revised in 2022, with previous versions of 2011 and 2000. Comments relating to individual endorsements below are based on form designations and language of the 2022 ISO homeowners program unless otherwise indicated. The edition date of the 2022 endorsements are generally 03 22;  the 2011 endorsements are generally 05 11. Differences from the 2011 program in language or coverage provisions are noted. This discussion is on multistate forms; endorsements limited to one or two states have not been included.

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