ISO endorsement · homeowners

HO 17 31 Unit-Owners Coverage C Special Coverage

Filings
86
latest Aug 27, 2026
Filing companies
45
24 carrier groups
States
41
Latest edition
03 22
most filed: 05 11

Coverage description

An Insurance Services Office (ISO) standard form. It gives a condominium unit owner open perils coverage for personal property under Coverage C, subject to listed exclusions, and extends the special limits for jewelry, firearms and silverware to misplacing or losing.

How the form has changed

2 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 03 22 edition

    Mar 2022, compared with 05 11Latest edition
    • The special limit for theft, misplacing or losing of jewelry, watches and furs rises from $1,500 to $2,000.

      05 11

      “$1,500 for loss by theft, misplacing or losing of jewelry”

      03 22

      Removed

    • The special limits for theft, misplacing or losing of firearms and of silverware rise from $2,500 to $3,000.

      05 11

      “$2,500 for loss by theft, misplacing or losing of firearms”

      03 22

      Removed

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
03 22Mar 2022Latest13611May 2022 to Oct 2025
05 11May 2011301323Nov 2021 to Aug 2026
10 00Oct 20004154Mar 2022 to Jan 2025
04 91Apr 199123522Nov 2021 to Aug 2025

Filed by one company only: 01 18 (Westfield Group, 7 filings).

7 other edition dates appear in one or two filings each, often carrier-specific versions: 02 24, 07 23, 09 22, 03 15, 03 07, 12 97, 01/01/18.

Where filings record what this form replaced, they name other forms ML-429. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 3 companies filed the 05 11 edition and 1 company filed 01 18.
  • The newer 03 22 edition first appears May 19, 2022 and has been filed by 6 companies in 11 states so far.
  • The 01 18 edition appears only in filings from Westfield Group (7 filings in 7 states since Oct 23, 2023), which suggests a carrier-specific version.
  • HO 17 32 (Unit-Owners Coverage a Special Coverage) is filed alongside it most often, in 78 of the same filings (91%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings. One filing can cover several affiliated companies.

Carriers filing this form

The 10 carrier groups with the most filings that include HO 17 31, out of 24 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Armed Forces Insurance Exchange272704 9105 1110 00Aug 27, 2026
Westfield GroupOld Guard Insurance Company9901 1801/01/18May 29, 2026
Encova Mutual Insurance Group4 group companies filed it, led by Motorists Mutual Insurance Company and Iowa Mutual Insurance Company7705 11Apr 24, 2023
Insurance Services Office, Inc.Advisory Organization7703 22Aug 16, 2024
Universal Insurance Holding GroupUniversal Property and Casualty Insurance Company6605 11Jan 9, 2026
Berkshire Hathaway Group2 group companies filed it, led by United States Liability Insurance Company and Mount Vernon Fire Insurance Company5505 11Nov 1, 2022
Liberty Mutual Group6 group companies filed it, led by American Fire and Casualty Company and Liberty Mutual Fire Insurance Company3204 9110 00Aug 26, 2025
American Association of Insurance ServicesAdvisory Organization2102 2407 23May 16, 2024
Midwest Family GroupMidwest Family Mutual Insurance Company2205 11Jul 25, 2022
Pioneer State Mutual Insurance Company2109 22May 10, 2022

See more forms

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States

Number of filings that include HO 17 31 in each state, Oct 2021 to Aug 2026. Darker states have more filings.

Tennessee: 3 filingsTN3Alabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 1 filingGA1Oklahoma: 1 filingOK1South Carolina: 3 filingsSC3Arkansas: 1 filingAR1Missouri: 1 filingMO1Indiana: 4 filingsIN4Louisiana: 2 filingsLA2Ohio: 6 filingsOH6Wisconsin: 3 filingsWI3Texas: 1 filingTX1Kentucky: 2 filingsKY2Iowa: 2 filingsIA2Kansas: 1 filingKS1Mississippi: 1 filingMS1North Carolina: 0 filingsNCNebraska: 1 filingNE1South Dakota: 1 filingSD1Montana: 3 filingsMT3New Hampshire: 3 filingsNH3Virginia: 3 filingsVA3Arizona: 0 filingsAZPennsylvania: 2 filingsPA2Rhode Island: 2 filingsRI2Michigan: 4 filingsMI4Alaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 2 filingsID2Maryland: 4 filingsMD4West Virginia: 3 filingsWV3Utah: 2 filingsUT2Wyoming: 1 filingWY1Delaware: 2 filingsDE2New Mexico: 1 filingNM1Colorado: 0 filingsCOConnecticut: 2 filingsCT2Maine: 2 filingsME2North Dakota: 1 filingND1Illinois: 3 filingsIL3Minnesota: 2 filingsMN2New Jersey: 2 filingsNJ2New York: 0 filingsNYMassachusetts: 2 filingsMA2Washington: 0 filingsWAOregon: 0 filingsORVermont: 1 filingVT1California: 2 filingsCA2Nevada: 1 filingNV1Hawaii: 2 filingsHI2
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • HO 17 32Unit-Owners Coverage a Special Coverage78 filings
  • HO 00 06Unit-Owners 6 - Broad Form74 filings
  • HO 04 41Additional Insured - Residence Premises72 filings
  • HO 04 50Increased Amount of Insurance for Personal Property at Other Residences72 filings
  • HO 04 35Supplemental Loss Assessment Coverage70 filings
  • HO 04 48Other Structures on the Residence Premises - Increased Limits70 filings
  • HO 00 03Homeowners 3 - Special Form69 filings
  • HO 04 66Coverage C Increased Special Limits of Liability69 filings
  • HO 04 92Specific Structures Away From the Residence Premises - Actual Cash Value Loss Settlement69 filings
  • HO 04 10Additional Interests - Residence Premises68 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Aug 27, 2026Armed Forces Insurance ExchangeCA05 11ARMD-134961669
May 29, 2026Old Guard Insurance CompanyMI01 18WSFG-G134947110
May 14, 2026Armed Forces Insurance ExchangeMO05 11ARMD-134865546
Mar 23, 2026Armed Forces Insurance ExchangeAR05 11ARMD-134879857
Feb 27, 2026Armed Forces Insurance ExchangeNE05 11ARMD-134795835
Feb 3, 2026Massachusetts Bay Insurance CompanyME05 11HNVR-G134821698
Jan 9, 2026Universal Property and Casualty Insurance CompanyIN05 11UPCC-134697206
Oct 10, 2025Slide Specialty Insurance CompanySC03 22SLID-134701865
Sep 18, 2025Old Guard Insurance CompanyMN01 18WSFG-G134667554
Aug 26, 2025Liberty Mutual Fire Insurance Companyand 1 moreWY04 91LBPM-134639054
Jul 18, 2025Old Guard Insurance CompanyWV01 18WSFG-G134603209
Jun 20, 2025Old Guard Insurance CompanyTN01 18WSFG-G134565373

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