State homebuying guide

Arizona Mortgage Calculator Guide

The most useful way to plan a Arizona home purchase is to start broad and then narrow the estimate. I would begin with the statewide benchmark below, test several down payments, and then open the cities that match the actual search area before building a monthly budget. The current benchmark is $418,000, and this guide covers 42 city calculators. That sequence keeps the first estimate simple without hiding the local details that can change a real monthly payment.

State benchmark
$418,000
City calculators
42

Need more than a statewide benchmark?

Use the complete mortgage payment and affordability calculator to enter your own purchase price, income, debts, loan program, closing costs, and extra-payment plan.

Open complete calculator

Down-payment comparison

What 5%, 10%, and 20% down could look like in Arizona

These examples use the $418,000 statewide benchmark, a 6.75% 30-year fixed planning rate, the 0.44% midpoint property-tax assumption, and 0.35% annually for homeowners insurance. PMI is illustrated at 1% annually below 20% down.

Estimated Arizona mortgage payments with 5%, 10%, and 20% down
Down paymentCash downLoan amountPrincipal & interestProperty taxInsurance & PMIEstimated monthly payment
5%$20,900$397,100$2,576$153$470$3,199
10%$41,800$376,200$2,440$153$470$3,064
20%$83,600$334,400$2,169$153$122$2,444

The examples do not include HOA dues, closing costs, discount points, lender fees, flood insurance, or property-specific insurance adjustments. Change the city calculator inputs before using a result for a budget.

Local variation

Why one Arizona estimate should not represent every city

The available city-page tax assumptions run from 0.21% for Cottonwood to 0.83% for Marana, with a midpoint of 0.44% used in the statewide examples. That spread is a reminder to verify the parcel, assessment, exemptions, and taxing district before relying on a monthly number. Cottonwood and Paradise Valley and Marana are useful starting points for seeing how the planning assumptions vary inside Arizona.

These are effective-rate planning assumptions from 2024 public data, published in this system in 2026. Actual tax bills depend on assessed value, exemptions, levies, and the property's taxing districts.

Cash-to-close research

Homebuyer assistance in Arizona

The state-level research list currently contains 4 programs. Arizona Is Home Mortgage Assistance Program and HOME Plus Down Payment Assistance Program are included as a place to begin, not as a promise of approval. Funding, income limits, first-time-buyer definitions, participating lenders, and eligible locations can change, so I would confirm the current rules before counting assistance as cash available at closing.

Arizona Is Home Mortgage Assistance Program

Provides below-market 30-year fixed interest rates combined with 4% down payment and closing cost assistance for first-time homebuyers in eligible counties.

Verify program details

HOME Plus Down Payment Assistance Program

Offers a 30-year fixed-rate mortgage combined with up to 5% down payment assistance for eligible homebuyers across Arizona.

Verify program details

Home in Five Advantage Program

Provides up to 6% assistance for down payment and closing costs to low and moderate-income individuals and families in Maricopa County.

Verify program details

USDA Single Family Housing Repair Loans & Grants

Offers loans up to $40,000 and grants up to $10,000 for very-low-income homeowners to repair, improve, or modernize their homes.

Verify program details

A practical review

Before relying on a Arizona payment estimate

01

Replace the statewide Arizona benchmark with the price of the homes actually being considered.

02

Open the relevant city calculator and verify the property-tax assumption against the parcel or local assessor.

03

Get a property-specific homeowners-insurance estimate and add HOA dues when they apply.

04

Compare several interest rates and down payments instead of budgeting from one optimistic scenario.

05

Confirm assistance rules with the official program source before reducing estimated cash to close.

Common questions

Planning a mortgage in Arizona

How much is an estimated mortgage payment in Arizona?

Using the current $418,000 statewide home-value benchmark, 20% down, a 6.75% 30-year planning rate, the 0.44% midpoint property-tax assumption, and a 0.35% insurance assumption, the estimated monthly payment is $2,444. Actual property, loan, tax, and insurance details can differ.

Does the Arizona mortgage estimate include property taxes?

Yes. The statewide examples use a 0.44% midpoint from the available city-page assumptions. A property-specific estimate should use the actual parcel, assessment, exemptions, and local taxing districts.

How much down payment should I compare in Arizona?

The page compares 5%, 10%, and 20% down. A smaller down payment reduces upfront cash but can increase the loan balance and may add mortgage insurance. Program and loan requirements vary.

Where should I verify Arizona homebuyer assistance?

Start with each linked official program source. Verify current funding, income limits, purchase-price limits, property rules, participating lenders, and first-time-buyer definitions before relying on assistance.

Planning rate

6.75%

Tax midpoint

0.44%

Benchmark period

August 2026