ISO endorsement · commercial general liability

CG 20 17 Additional Insured - Unit Owners Of Townhouse Or Homeowner Associations

Filings
201
latest Oct 26, 2026
Filing companies
96
46 carrier groups
States
40
Latest edition
12 19
Dec 2019

Coverage description

An Insurance Services Office (ISO) standard form. It adds each unit owner as an additional insured for liability as a member of the townhouse or homeowner association named insured, but not for property the owner has title to or premises reserved for the owner's exclusive use.

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. 12 19 edition

    Dec 2019, compared with 10 93Latest edition
    • Coverage now extends to unit owners of homeowner associations, not only townhouse owners, as members of the association named in the declarations.

      10 93

      “each individual townhouse owner”

      12 19

      “homeowner or townhouse association shown in the Declarations as a Named Insured”

    • Adds that a unit owner is not covered for liability arising out of premises reserved for that owner's exclusive use or occupancy.

      10 93

      Not in this edition

      12 19

      “That portion of the premises which is reserved for the unit-owner's exclusive use or occupancy”

Editions

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

EditionFilingsCompaniesStatesFiled
12 19Dec 2019Latest1779240Nov 2021 to Oct 2026
10 93Oct 1993292112Dec 2021 to Oct 2026

1 other edition date appears in one or two filings each, often carrier-specific versions: 10/1/2020.

Where filings record what this form replaced, they name earlier edition 10 93 and other forms GA 479. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 39 companies filed the 12 19 edition and 7 companies filed 10 93.
  • CG 20 18 (Additional Insured – Mortgagee, Assignee or Receiver) is filed alongside it most often, in 195 of the same filings (97%).

Filed under

Commercial General Liability 133Other Liability 36Commercial Package 16Other Commercial Lines 7Other other liability 4

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 CG 20 17, out of 46 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Liberty Mutual Group11 group companies filed it, led by First National Insurance Company of America and General Insurance Company of America343112 19Oct 26, 2026
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation181812 19Jan 15, 2026
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company161612 19Oct 23, 2023
Nationwide Corporation Group8 group companies filed it, led by Nationwide Mutual Insurance Company and Nationwide Insurance Company of America16510 9312 19Oct 21, 2026
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company9412 1910 93Oct 22, 2026
Tokio Marine Holdings Incorporated Group4 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company8212 19Feb 17, 2026
Sompo GroupSompo America Insurance Company7212 19Jun 18, 2026
Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company6612 19Mar 28, 2024
Hastings Mutual Insurance Company6512 19Mar 13, 2025
Siriuspoint GroupSiriusPoint America Insurance Company6212 19Jun 15, 2026

How the largest insurers handle CG 20 17

Groups among the largest commercial general liability insurers that filed CG 20 17 or their own version in the past five years.

See more forms

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States

Number of filings that include CG 20 17 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 2 filingsTN2Alabama: 1 filingAL1Florida: 0 filingsFLGeorgia: 3 filingsGA3Oklahoma: 2 filingsOK2South Carolina: 5 filingsSC5Arkansas: 3 filingsAR3Missouri: 2 filingsMO2Indiana: 6 filingsIN6Louisiana: 2 filingsLA2Ohio: 5 filingsOH5Wisconsin: 5 filingsWI5Texas: 4 filingsTX4Kentucky: 2 filingsKY2Iowa: 2 filingsIA2Kansas: 3 filingsKS3Mississippi: 2 filingsMS2North Carolina: 2 filingsNC2Nebraska: 1 filingNE1South Dakota: 0 filingsSDMontana: 3 filingsMT3New Hampshire: 1 filingNH1Virginia: 3 filingsVA3Arizona: 0 filingsAZPennsylvania: 3 filingsPA3Rhode Island: 2 filingsRI2Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 3 filingsID3Maryland: 2 filingsMD2West Virginia: 1 filingWV1Utah: 2 filingsUT2Wyoming: 5 filingsWY5Delaware: 0 filingsDENew Mexico: 5 filingsNM5Colorado: 30 filingsCO30Connecticut: 2 filingsCT2Maine: 1 filingME1North Dakota: 0 filingsNDIllinois: 14 filingsIL14Minnesota: 0 filingsMNNew Jersey: 2 filingsNJ2New York: 0 filingsNYMassachusetts: 1 filingMA1Washington: 14 filingsWA14Oregon: 4 filingsOR4Vermont: 2 filingsVT2California: 47 filingsCA47Nevada: 2 filingsNV2Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

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

  • CG 20 18Additional Insured – Mortgagee, Assignee or Receiver195 filings
  • CG 20 27Additional Insured – Co-Owner of Insured Premises194 filings
  • CG 20 05Additional Insured – Controlling Interest193 filings
  • CG 20 26Additional Insured – Designated Person or Organization193 filings
  • CG 20 11Additional Insured – Managers or Lessors of Premises192 filings
  • CG 20 13Additional Insured – State or Governmental Agency or Subdivision or Political Subdivision – Permits or Authorizations Relating to Premises192 filings
  • CG 20 12Additional Insured – State or Governmental Agency or Subdivision or Political Subdivision – Permits or Authorizations185 filings
  • CG 20 23Additional Insured – Executors, Administrators, Trustees or Beneficiaries185 filings
  • CG 20 24Additional Insured – Owners or Other Interests From Whom Land Has Been Leased185 filings
  • CG 20 15Additional Insured – Vendors184 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
Oct 26, 2026American Economy Insurance Companyand 5 moreRI12 19LBRC-135130111
Oct 22, 2026State National Insurance Company, Inc.CO12 19STNA-135128706
Oct 21, 2026Allied Insurance Company of Americaand 4 moreCA12 19NWPP-G135131050
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 1910 93CNAB-135091690
Aug 17, 2026Mississippi Farm Bureau Casualty Insurance CompanyMS12 19SFBC-135017175
Aug 10, 2026First National Insurance Company of AmericaNE12 19LBRC-135047012
Jul 10, 2026Southern Farm Bureau Casualty Insurance CompanyLA12 19SFBC-135013358
Jul 10, 2026Trisura Insurance CompanyWA12 19SHNF-134976660
Jul 9, 2026First National Insurance Company of AmericaMS12 19LBRC-135012891
Jun 30, 2026Trisura Insurance CompanyIL12 19SHNF-134983369
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 19CHMU-134947220
Jun 26, 2026American Economy Insurance Companyand 6 moreLA12 19LBRC-134964566

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