Home Insurance Coverage Guide: What You Need and What You Can Skip

Updated March 2026 · By the InsuranceCalcs Team

Homeowners insurance is not one product — it is a bundle of six distinct coverages, each with its own limits, exclusions, and deductibles. Most homeowners understand that their policy covers fire and theft, but few understand the gaps that leave them exposed. Flood damage is excluded on every standard policy. Sewer backup is excluded unless you add it. And the most common claim — water damage from burst pipes — has limits that surprise homeowners after the fact. This guide breaks down each coverage component so you can build a policy that actually protects you.

The Six Standard Coverage Components

Coverage A (Dwelling) covers the physical structure of your home — walls, roof, foundation, built-in appliances, and attached structures like a garage. Coverage B (Other Structures) covers detached structures: sheds, fences, detached garages, and guest houses. It is typically set at 10 percent of your dwelling coverage. Coverage C (Personal Property) covers your belongings — furniture, clothing, electronics, and household items.

Coverage D (Loss of Use) pays for additional living expenses if your home is uninhabitable due to a covered event — hotel costs, restaurant meals, and temporary rentals. Coverage E (Personal Liability) covers you if someone is injured on your property or if you accidentally damage someone else's property. Coverage F (Medical Payments) covers minor medical bills for guests injured on your property, regardless of fault.

• A — Dwelling: rebuild cost of the physical structure
• B — Other Structures: typically 10% of dwelling coverage
• C — Personal Property: typically 50-70% of dwelling coverage
• D — Loss of Use: typically 20-30% of dwelling coverage
• E — Liability: usually $100,000-$500,000
• F — Medical Payments: usually $1,000-$5,000 per person

Dwelling Coverage: Why Market Value Is Wrong

The most critical number on your policy is Coverage A — dwelling coverage. This must equal the cost to rebuild your home from the ground up, which is different from the market value. Market value includes land, location premium, and market conditions. Rebuild cost is strictly construction: materials, labor, permits, debris removal, and code upgrades.

In many areas, rebuild cost exceeds market value because construction costs have increased while home prices have fluctuated. In others, market value is higher because of land scarcity. The important thing is to insure for the rebuild number, not the purchase price or the Zillow estimate. Your insurance company or agent can provide a replacement cost estimate based on your home's square footage, construction type, and local labor costs. Get this estimate updated every few years as construction costs change.

Personal Property: Replacement Cost vs Actual Cash Value

Standard policies pay actual cash value (ACV) for personal property claims, which means they deduct depreciation. Your five-year-old laptop that cost $1,500 might be valued at $300 under ACV. Replacement cost coverage pays what it costs to buy a new equivalent item — the full $1,500 in this example. The premium difference is typically 10 to 15 percent more, and it is worth every penny.

High-value items need special attention. Standard policies cap coverage for categories like jewelry ($1,500 to $2,500), electronics, firearms, art, and collectibles. If you own a $10,000 engagement ring, your standard policy likely covers only $1,500 of that loss. You need a scheduled personal property endorsement (also called a floater) that specifically lists and insures high-value items at their appraised value.

Liability Coverage: The Most Undervalued Protection

Most homeowners carry $100,000 in liability coverage — the default on many policies. This is dangerously low. If a guest slips on your icy steps and suffers a serious back injury, medical bills and lost wages can easily exceed $100,000. If a jury awards $300,000, you are personally responsible for the $200,000 your policy did not cover. That money comes from your savings, investments, and potentially your wages.

Increasing liability from $100,000 to $300,000 or $500,000 typically costs less than $50 per year — one of the best values in insurance. If you have significant assets to protect, consider an umbrella policy that provides $1 million or more in additional liability coverage across your home, auto, and other policies for $200 to $400 per year.

What Standard Policies Do Not Cover

Flood damage is the most significant exclusion. Standard homeowners policies explicitly exclude flood — you need a separate flood insurance policy through the National Flood Insurance Program or a private carrier. Even if you are not in a designated flood zone, 25 percent of all flood claims come from low and moderate risk areas.

Other common exclusions include earthquake damage (requires a separate policy or endorsement), sewer and drain backup (available as an endorsement for $40 to $100 per year), foundation settling, mold beyond a small sublimit, and gradual water damage from long-term leaks. Understanding these exclusions before a loss occurs is the entire point of reviewing your policy — not just buying the cheapest option and hoping for the best.

• Flood: requires separate policy (NFIP or private)
• Earthquake: requires separate policy or endorsement
• Sewer backup: available as endorsement, not included by default
• Mold: limited to a sublimit, often $5,000-$10,000
• Gradual damage: long-term leaks and maintenance issues excluded

How to Review and Optimize Your Policy

Pull out your declarations page — the summary sheet at the front of your policy. Check that Coverage A matches your current rebuild cost estimate. Verify that you have replacement cost on personal property, not just actual cash value. Confirm your liability limit is at least $300,000. Check whether you have the sewer backup endorsement.

Look at your deductible. Raising your deductible from $500 to $1,000 or $2,500 can reduce premiums by 15 to 25 percent. This makes sense if you have the savings to cover a higher deductible, because you should avoid filing small claims anyway — frequent claims can lead to policy non-renewal. Save your insurance for catastrophic losses, not minor repairs.