Common Homeowners Endorsements

Key Takeaways

  • Scheduled Personal Property endorsement lists individual valuables at agreed value on an open-peril basis, bypassing Coverage C special limits and often eliminating the deductible.
  • Earthquake coverage is added by endorsement with a percentage deductible applied to Coverage A; fire following earthquake remains covered under the base HO-3.
  • Water Backup and Sump Overflow covers sewer and drain backup excluded by the base form but is not a substitute for NFIP flood insurance.
  • Ordinance or Law pays increased costs to comply with current building codes, including demolition of undamaged portions when required by code.
  • Personal Property Replacement Cost and Inflation Guard endorsements address ACV settlement on contents and Coverage A lagging rising construction costs.
Last updated: July 2026

Endorsements: Filling Gaps the Base Policy Leaves Open

An endorsement (rider) modifies the base homeowners contract by adding, deleting, or changing coverage. The Nevada P&C exam rarely asks you to memorize endorsement form numbers, but it constantly tests whether you can pair a client scenario with the correct rider.

Nevada homeowners face a distinctive mix of risks: seismic activity along the Walker Lane and basin-and-range faults, intense summer thunderstorms that overwhelm municipal drains, rapid home-price and construction-cost inflation in Clark and Washoe counties, and high concentrations of personal valuables in tourism and entertainment economies. The base HO-3 excludes or sharply limits each of those exposures. Endorsements are how producers restore protection.

Scheduled Personal Property (Personal Articles Floater)

Problem solved: Coverage C special limits cap theft of jewelry (commonly $1,500), furs, firearms, silverware, and fine art far below what many Nevada households actually own.

The Scheduled Personal Property endorsement (sometimes called a Personal Articles Floater when written inland-marine style) lists individual items with agreed values:

FeatureBase Coverage CScheduled Personal Property
Peril basisNamed perils on HO-3Open perils (all-risk) on scheduled items
ValuationACV subject to special limitsAgreed / stated value per item
DeductiblePolicy deductible appliesOften no deductible
Mysterious disappearanceGenerally excludedUsually covered for scheduled items

Process: obtain an appraisal or receipt, agree on value with the insurer, list each item on the schedule, pay additional premium.

Nevada scenario. A Henderson client owns a $25,000 engagement ring and a $12,000 watch collection. Raising the overall Coverage C limit does not fix the problem — the $1,500 jewelry theft sublimit still applies. Scheduling each piece at agreed value provides open-peril protection including mysterious disappearance, which matters when valuables travel between home, work on the Strip, and weekend trips to Tahoe.

Exam trap: Blanket increasing a special-limit category is weaker than scheduling the specific item. Scheduling gives open perils, agreed value, and often no deductible.

Earthquake Endorsement

Problem solved: The HO-3 earth movement exclusion removes earthquake, landslide, mudflow, and sinkhole collapse from base coverage.

Nevada is the third most seismically active state in the nation. Reno, Carson City, and Las Vegas all sit within zones where producers should discuss earthquake coverage even though it is not mandatory under Nevada law. Coverage is added by endorsement — there is no standard earthquake coverage in the base form.

Earthquake endorsement featureTypical detail
Deductible typePercentage of Coverage A (commonly 10%–25%)
Dollar deductible exampleCoverage A $400,000 × 15% = $60,000 deductible
Fire following earthquakeCovered under base HO-3 fire peril
Exterior masonry veneerMay require separate sublimit or exclusion

Numeric example. Coverage A = $350,000, earthquake deductible = 20% → deductible = $70,000. Quake damage to the structure totals $120,000. Insurer pays $50,000 ($120,000 − $70,000). If the quake sparks a fire that burns the roof, fire damage is handled under Section I fire coverage, not the earthquake endorsement.

Water Backup and Sump Overflow

Problem solved: The base policy excludes water that backs up through sewers or drains and sump-pump failure — a common headache when monsoon rains overwhelm Las Vegas valley drainage or when a basement bathroom backs up in a Mount Rose foothills home with a sump pit.

Water sourceCovered by Water Backup endorsement?
Sewer or drain backupYes (up to endorsement sublimit)
Sump pump failure or overflowYes
Rising surface water or flood from outsideNo — requires NFIP flood policy
Burst interior pipeYes — already covered as sudden accidental discharge under HO-3

Sublimits commonly run $5,000 to $25,000 and may carry a separate deductible. Producers should not confuse this endorsement with flood insurance — Nevada flash-flood zones along washes still need NFIP or private flood coverage.

Ordinance or Law

Problem solved: After a partial loss, building codes may require upgrading undamaged portions of the home — rewiring, fire sprinklers, energy codes — costs the base policy excludes.

Ordinance or Law coverage typically has three components:

  1. Cost to demolish the undamaged part when code requires full demolition,
  2. Cost to remove debris of that undamaged portion, and
  3. Increased cost of construction to meet current code.

Limits are often expressed as a percentage of Coverage A (commonly 10%–25%).

Scenario. A 1970s ranch home in Sparks suffers 35% fire damage. City code mandates tearing down the entire structure because more than 50% of the electrical system must be replaced. Without Ordinance or Law, Coverage A pays only to repair the fire-damaged portion; the owner funds demolition and code upgrades to the rest. With the endorsement, the extra code-driven costs are covered up to the endorsement limit.

Supporting Endorsements

EndorsementGap it closesExam detail
Personal Property Replacement CostACV depreciation on Coverage CPays RC after actual replacement
Inflation GuardCoverage A falling below 80% of rising RCAuto-increases Coverage A (e.g., 4%–8% annually)
Personal InjuryLibel, slander, false arrest, invasion of privacyBroadens Section II beyond BI/PD
Home BusinessBusiness property and liability at residenceLimited; full retail operations need CGL/BOP
Identity Fraud ExpenseCosts to restore stolen identitySublimit commonly $15,000–$25,000
Loss AssessmentHOA special assessments after covered lossCritical on HO-6 condo policies
Increased Coverage B/CDetached structures or contents above default 10%/50%Adjusts percentage of Coverage A

Inflation Guard example. Year 1 Coverage A = $320,000 with 6% annual guard → Year 2 = $339,200 without a manual endorsement request. That automatic bump helps northern Nevada clients stay above the 80% insurance-to-value line as lumber and labor costs climb.

Matching Scenario to Endorsement — Nevada Quick Reference

Client tells you…Lead with this endorsement
"My wife's wedding ring is appraised at $40,000"Scheduled Personal Property
"We're two miles from the Hilton Fault in Reno"Earthquake
"Our finished basement has a sump pump"Water Backup and Sump Overflow
"The house was built in 1955 and codes have changed"Ordinance or Law
"I sell crafts online from a spare bedroom"Home Business (or commercial policy if scale grows)
"HOA may special-assess us after the clubhouse fire"Loss Assessment (HO-6)

The exam rewards exposure recognition, not memorizing ISO form numbers. Read the fact pattern for the excluded peril or special limit, then name the endorsement designed to fix exactly that gap.

Test Your Knowledge

A Las Vegas homeowner wants full coverage on a $35,000 diamond ring, including mysterious disappearance, with no deductible. The best solution is:

A
B
C
D
Test Your Knowledge

A Nevada home with Coverage A of $400,000 has a 15% earthquake deductible. How much is the earthquake deductible?

A
B
C
D
Test Your Knowledge

Sewage backs up through a basement drain after a heavy rainstorm. Which endorsement is designed for this loss?

A
B
C
D
Test Your Knowledge

After a partial fire, city code requires rewiring the undamaged half of a 1960s home. The extra code-compliance cost is paid by:

A
B
C
D