Home Insurance for a $300K, $400K or $500K House

Searches for “insurance on a $400,000 house” usually start with the listing price. The Texas Department of Insurance explains why that number doesn’t settle the question: your property’s appraised value includes the land and reflects what homes sell for nearby, while the insured value is the cost to rebuild or replace the home. California’s Department of Insurance likewise says the dwelling limit should be based on rebuilding cost, not purchase price or market value.

Same price, different insurance needs

Illustrations only, not quotes or averages:

Home	Sale price	Land share	Possible rebuilding estimate
Suburban home on a large, high-value lot	$500,000	High	Could be well under $500,000
Older custom home with plaster and detailed trim	$300,000	Low	Could exceed $300,000
Newer production home in a growing area	$400,000	Moderate	Could be near $400,000

The rebuilding estimate, not the price, becomes the dwelling limit that drives much of the premium.

How the dwelling limit affects other numbers

Many policies set other coverages as a percentage of the dwelling limit. California’s guide describes other structures coverage as normally limited to 10% of the dwelling limit, and TDI uses the same 10% in its example. Illustration:

Dwelling limit	Other structures at 10%	2% wind deductible
$300,000	$30,000	$6,000
$400,000	$40,000	$8,000
$500,000	$50,000	$10,000

Your policy may use different percentages; read the declarations page.

What else changes the price

TDI lists underwriting factors including the home’s age and condition, construction materials, location, distance to a fire station, occupancy, claims history and credit. Two $400,000 homes in different ZIP codes or with different roofs can receive very different quotes. See how premiums are determined.

Mortgage considerations

TDI notes that a mortgage company will probably require enough insurance to pay off your loan if there is a disaster. Ask your lender exactly what it requires, and keep the dwelling limit at a realistic rebuilding cost.

Getting a realistic number

1. Ask for the insurer’s rebuilding estimate and the details it used.
2. Correct square footage, finishes, roof, garage and updates.
3. Ask for quotes at the same dwelling limit, deductible and liability limit.
4. Ask how much a 1% or 2% wind deductible would be in dollars.

In Texas, TDI points to HelpInsure.com for sample rates, which can provide a rough comparison before you call.

By phone

What happens when you call

A conversation lets the agent ask about your specific home instead of relying on a generic online estimate. There are no online forms to fill out.

1. 1

   Describe your home

   Share the address, size, age, construction, and roof or system updates. You do not need every detail to start.

2. 2

   Talk through coverage

   Explain what you want covered and ask about limits, deductibles, and exclusions that apply to your property.

3. 3

   Compare and decide

   Ask for the written quote terms and compare them before deciding. A call or a quote does not start coverage.

Sources and how this page was checked

Page updated October 23, 2026

This page is general information written from the public sources below. It has not been reviewed by an insurance company, attorney or licensed agent for your situation. Your policy form, endorsements, insurer and state rules decide what is covered.

Sources

• Texas Department of Insurance — Building costs and home insuranceRetrieved and reviewed October 25, 2026 for insured value vs. appraisal, the 80% insurance-to-value requirement some insurers use and its proportional-payment example.
• California Department of Insurance — Residential Insurance: Homeowners and Renters (Form 401, rev. January 2026)Retrieved and reviewed October 25, 2026 for Coverage A–F descriptions, special limits on valuables, renters and condo coverage, dwelling limits based on rebuilding cost rather than market value, actual cash value, guaranteed and limited/extended replacement cost, building code upgrade (ordinance or law) coverage, inflation guard, FAIR Plan, surplus lines and binder/quote definitions. California rules (notice periods, broker fees, CA-specific laws) are not generalized nationally.
• Texas Department of Insurance — Auto and home policy underwritingRetrieved and reviewed October 25, 2026 for underwriting factors, occupancy limits (vacant, unoccupied, seasonal, short-term rental) and the Texas 60-day post-issue underwriting window, which is labeled as Texas law.
• Texas Department of Insurance — DeductiblesRetrieved and reviewed October 25, 2026 for dollar vs. percentage deductibles (worked example on a $150,000 home), per-claim application and the premium tradeoff of a higher deductible.

Before you rely on this page

• Read your declarations page, policy form and every endorsement; they control over any summary.
• Ask the insurer or agent to confirm limits, deductibles and exclusions in writing before you buy or cancel coverage.
• For state rules, deadlines or complaints, check your state insurance department directly.