ISO endorsement · homeowners

HO 04 36 Loss Assessment Coverage For Earthquake

Filings
75
latest May 29, 2026
Filing companies
48
21 carrier groups
States
37
Latest edition
03 22
Mar 2022

Coverage description

An Insurance Services Office (ISO) standard form. It covers your share of an assessment by a condominium or homeowners association for earthquake damage to commonly owned property, up to the scheduled limit, subject to a separate earthquake deductible and excluding government assessments and flood.

How the form has changed

3 changes across 2 revisions, 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 earthquake deductible can now be shown as a dollar amount in the schedule. The percentage of the limit applies only when no dollar amount is shown.

      05 11

      Not in this edition

      03 22

      “If a dollar amount is not shown in”

  2. 05 11 edition

    May 2011, compared with 10 00
    • The minimum earthquake loss assessment deductible rises from $250 to $500.

      10 00

      “than $250 in any one assessment”

      05 11

      “less than $500 in any one assessment”

    • The flood exclusion now covers waves of any kind, including tsunami, not only tidal wave.

      10 00

      “any nature or tidal wave, whether caused by”

      05 11

      “waves, including tidal wave and tsunami”

Editions

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

EditionFilingsCompaniesStatesFiled
02 25Feb 202516316Oct 2024 to Mar 2025
03 22Mar 2022Latest191112May 2022 to Apr 2026
05 11May 2011181413Jan 2022 to Apr 2026
10 00Oct 20007157Nov 2022 to Jan 2025
04 91Apr 1991564Nov 2021 to Aug 2025

Filed by one company only: 08 05 (Westfield Group, 7 filings).

2 other edition dates appear in one or two filings each, often carrier-specific versions: 01 15, 08/01/05.

Where filings record what this form replaced, they name earlier edition 03 22 and other forms HO 04 03. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 3 companies filed the 03 22 edition and 3 companies filed 05 11.
  • The newer 02 25 edition first appears Oct 16, 2024 and has been filed by 3 companies in 16 states so far.
  • The 08 05 edition appears only in filings from Westfield Group (7 filings in 7 states since Oct 23, 2023), which suggests a carrier-specific version.
  • HO 04 10 (Additional Interests – Residence Premises) is filed alongside it most often, in 59 of the same filings (79%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to May 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 04 36, out of 21 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
American Family Insurance Group9 group companies filed it, led by American Family Insurance Company and Grain Dealers Mutual Insurance Company221802 2503 2201 15Mar 7, 2025
Insurance Services Office, Inc.Advisory Organization9903 22Dec 4, 2024
Westfield GroupOld Guard Insurance Company9908 0508/01/05May 29, 2026
Encova Mutual Insurance Group4 group companies filed it, led by Motorists Mutual Insurance Company and Iowa Mutual Insurance Company7705 11Apr 24, 2023
THE Hanover Insurance Group3 group companies filed it, led by Massachusetts Bay Insurance Company and The Hanover Insurance Company5305 1104 91Feb 3, 2026
Utica GroupFounders Insurance Company4410 00Oct 9, 2023
Liberty Mutual Group6 group companies filed it, led by American Fire and Casualty Company and Liberty Mutual Fire Insurance Company3204 9110 00Aug 26, 2025
NEW London Cnty Group3 group companies filed it, led by New London County Mutual Insurance Co. and Danbury Insurance Company3303 22Apr 17, 2026
ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company1105 11Apr 7, 2026
Allied Trust Insurance Company1105 11Jan 25, 2023

How the largest insurers handle HO 04 36

Groups among the largest homeowners insurers that filed HO 04 36 or their own version in the past five years.

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States

Number of filings that include HO 04 36 in each state, Oct 2021 to May 2026. Darker states have more filings.

Tennessee: 2 filingsTN2Alabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 2 filingsGA2Oklahoma: 0 filingsOKSouth Carolina: 3 filingsSC3Arkansas: 0 filingsARMissouri: 1 filingMO1Indiana: 5 filingsIN5Louisiana: 2 filingsLA2Ohio: 4 filingsOH4Wisconsin: 4 filingsWI4Texas: 1 filingTX1Kentucky: 2 filingsKY2Iowa: 2 filingsIA2Kansas: 2 filingsKS2Mississippi: 0 filingsMSNorth Carolina: 0 filingsNCNebraska: 1 filingNE1South Dakota: 1 filingSD1Montana: 1 filingMT1New Hampshire: 1 filingNH1Virginia: 10 filingsVA10Arizona: 1 filingAZ1Pennsylvania: 1 filingPA1Rhode Island: 2 filingsRI2Michigan: 1 filingMI1Alaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 1 filingID1Maryland: 2 filingsMD2West Virginia: 2 filingsWV2Utah: 0 filingsUTWyoming: 1 filingWY1Delaware: 0 filingsDENew Mexico: 0 filingsNMColorado: 0 filingsCOConnecticut: 2 filingsCT2Maine: 1 filingME1North Dakota: 1 filingND1Illinois: 3 filingsIL3Minnesota: 3 filingsMN3New Jersey: 1 filingNJ1New York: 0 filingsNYMassachusetts: 2 filingsMA2Washington: 3 filingsWA3Oregon: 1 filingOR1Vermont: 0 filingsVTCalifornia: 1 filingCA1Nevada: 1 filingNV1Hawaii: 1 filingHI1
FewerMore filingsNone

Often filed with

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

  • HO 04 10Additional Interests – Residence Premises59 filings
  • HO 04 54Earthquake53 filings
  • HO 04 48Other Structures On The Residence Premises – Increased Limits52 filings
  • HO 04 41Additional Insured – Residence Premises51 filings
  • HO 24 71Business Pursuits50 filings
  • HO 04 50Increased Amount Of Insurance For Personal Property At Other Residences48 filings
  • HO 00 03Homeowners 3 – Special Form45 filings
  • HO 04 40Structures Rented To Others – Residence Premises45 filings
  • HO 24 70Additional Residence Rented To Others 1, 2, 3 Or 4 Families45 filings
  • HO 00 04Homeowners 4 – Contents Broad Form44 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
May 29, 2026Old Guard Insurance CompanyMI08 05WSFG-G134947110
Apr 17, 2026New London County Mutual Insurance Co.RI03 22NLCC-134891646
Apr 7, 2026Accelerant National Insurance CompanyWA05 11SPRO-G134894244
Mar 20, 2026Interboro Insurance CompanySC05 11SAGE-134882886
Mar 17, 2026Danbury Insurance Companyand 1 moreMA03 22NLCC-134869733
Feb 3, 2026Massachusetts Bay Insurance CompanyME05 11HNVR-G134821698
Nov 14, 2025New London County Mutual Insurance Co.CT03 22NLCC-134739293
Sep 18, 2025Old Guard Insurance CompanyMN08 05WSFG-G134667554
Aug 26, 2025Liberty Mutual Fire Insurance Companyand 1 moreWY04 91LBPM-134639054
Jul 18, 2025Old Guard Insurance CompanyWV08 05WSFG-G134603209
Jun 20, 2025Old Guard Insurance CompanyTN08 05WSFG-G134565373
Apr 4, 2025Old Guard Insurance CompanyKY08 05WSFG-G134475387

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