The listing photo has a pool, a mountain behind it, and a sky doing something absurd at 6pm.
What it does not have is the July electric bill, the pool service invoice, the HOA dues, or the line on your registration renewal that made you check the math twice.
None of this is a warning. It is a budget. Everyone runs the mortgage payment and usually gets it right. It is the four or five recurring costs underneath it that make the first summer feel like a surprise.
Short answer: Arizona’s average residential electric bill ran about $160 a month in 2024 on roughly 1,075 kWh, which is 25 percent more usage than the national average and an annual figure that hides a much larger summer. Add water, HOA dues, insurance, property tax, and vehicle registration to get a real monthly number.
Here is the honest version of each line.
The electric bill is the one people underestimate
The U.S. Energy Information Administration puts Arizona’s 2024 average residential bill at $160.24 a month, on 1,075 kWh of monthly usage at 14.91 cents per kWh. The U.S. average was $142.26 a month on 863 kWh at 16.48 cents.
That is the whole story in two lines. Arizona’s rate per kilowatt-hour is below the national average. Arizona’s usage runs about 25 percent above it. You pay less per unit and buy more units. The Arizona Corporation Commission reported the same rate picture for May 2025: 15.76 cents per kWh in Arizona against 17.47 nationally.
So how bad does a Phoenix summer actually get?
Straight answer instead of a made-up number: that $160 is an annual average across twelve months and all of Arizona, including every mild month between November and March. It is not a July bill, and the real July bill in a hot part of the state is meaningfully higher.
For scale on the cooling load, the National Weather Service recorded 133 days at or above 100 degrees in Phoenix in 2023, including 55 at or above 110. Elevation changes that a lot: Prescott and Flagstaff are different climates entirely.
So do the thing almost nobody does: ask the seller for twelve months of utility history on the specific house. That tells you more than any state average, because it captures the actual insulation, windows, air conditioner age, and rate plan.
Water, and the summer swing
The City of Phoenix publishes an annual utility bill comparison. Its 2026 edition puts the average single family bill at $93.30 a month combined, $66.65 for water and $26.65 for wastewater, on a 5/8 inch meter.
The useful detail is in the assumptions. That average is built on annual usage of 182 hundred cubic feet, across a year ranging from about 10 units in winter to about 24 in peak summer. Summer water use in that model is more than double winter.
It also shows how much this varies by city: Chandler’s water portion at $34.10, Scottsdale’s combined bill at $73.95, Phoenix at $93.30. Rates are set locally. Landscaping drives the rest, and a yard on drip irrigation is not the same water bill as a yard with turf.
Pools are a line item, not a feature
If the house has a pool, budget for it deliberately. There are three costs and people usually count only the first. Routine service or your own chemicals. Equipment, meaning the pump, filter, and heater, which wear out and get replaced. And electricity, because the pump runs on the same meter as the air conditioner.
Get the pool inspected separately, and ask how old the pump and the surface are. Resurfacing is the expense that catches people, and it is not a small one.
HOA dues are common here
The Foundation for Community Association Research counted roughly 10,300 community associations in Arizona in 2025, covering about 911,000 housing units and 2.28 million residents.
Dues vary enormously depending on what the association maintains, and the monthly number is only half the question. The other half is what the association has saved. Ask for the reserve study, the last five years of dues, and any special assessment history before you remove contingencies. Thin reserves plus aging shared components is a future bill, not just a current one.
Property taxes work differently than you may be used to
Two values sit on every parcel. Full cash value is the market-based number. Limited property value is what most property taxes are actually levied on, and under Proposition 117 it can rise only about 5 percent a year. The Arizona Department of Revenue explains the split, including the rule that limited property value can never exceed full cash value.
The bill comes together at the county. Maricopa County describes the calculation as assessed value divided by 100, multiplied by a tax rate set in August, with taxes billed in September. Bills carry primary levies for schools, cities, and county operations, plus secondary levies for bonds, overrides, and special districts.
In practice: your tax bill does not jump the moment the market does, and the value you are taxed on is set well before the bill arrives. Rates and districts vary by parcel, so the only reliable number is the actual one. Pull the parcel record on the county assessor’s site, and take questions about your own situation to a tax professional. This is general information, not advice about your return.
Insurance, vehicles, and the rest
Home insurance is priced on the property, not the state average. Roof age and material, wildfire exposure in forested areas, and proximity to a fire station all move the number. The Arizona Department of Insurance and Financial Institutions is the state regulator and a starting point for the basics. Get quotes during your inspection period, not the week before closing, and ask what is excluded, because standard policies commonly leave out flood.
Registration is its own line. Arizona charges a vehicle license tax as part of it, and the Arizona Department of Transportation gives the formula: 60 percent of the manufacturer’s base retail price, reduced 16.25 percent for each year since first registration, then taxed at $2.80 per $100 of assessed value for new vehicles and $2.89 for used. ADOT’s example puts a $25,000 new vehicle at $420 the first year and $363.06 the second. Moving two cars? Run both.
Frequently asked questions
What is the average electric bill in Arizona? The U.S. Energy Information Administration put Arizona’s 2024 average residential bill at $160.24 a month on 1,075 kWh, at 14.91 cents per kWh. The national average was $142.26 on 863 kWh. That is a twelve month average, so summer bills in hot parts of the state run higher.
Why are Arizona summer electric bills so high? Cooling load. Arizona’s price per kilowatt-hour is below the national average, but average household usage runs about 25 percent above it. The National Weather Service recorded 133 days at or above 100 degrees in Phoenix in 2023. Ask a seller for twelve months of utility history on the specific home.
How much is a typical water bill in Phoenix? The City of Phoenix 2026 utility bill comparison lists an average single family bill of $93.30 a month, combining $66.65 for water and $26.65 for wastewater. The model assumes usage ranging from about 10 units in winter to 24 in peak summer. Rates differ by city.
How do Arizona property taxes work? Most property taxes are levied on limited property value, a capped figure that can rise only about 5 percent annually under Proposition 117 and can never exceed full cash value. Counties set rates in the fall and bill accordingly. Check the parcel record with your county assessor and consult a tax professional.
How much are HOA dues in Arizona? Dues vary widely based on what the association maintains, so there is no single figure. Arizona had roughly 10,300 community associations in 2025 covering about 911,000 housing units, so budgeting for dues is realistic in many communities. Request the reserve study and assessment history before closing.
The bottom line
Nothing on this list is a reason not to move here. It is a reason to build the budget with all the lines in it.
| Line item | What drives it | Where to verify |
|---|---|---|
| Electricity | Cooling load, efficiency | Seller’s 12 month history |
| Water and sewer | City rates, landscaping | City utility rate page |
| HOA dues | What the association maintains | Reserve study, dues history |
| Property tax | Limited property value, rates | County assessor record |
| Insurance | Roof age, location, coverage | Quotes, during inspection |
| Registration | Vehicle age, base retail price | ADOT |
Our affordability calculator handles the mortgage side, the buying page walks through the rest of the process, and property search is where to start looking. For anything touching your taxes, talk to a tax professional.
Whether you’re buying, selling, or doing both, Homie has your back.
— The Homie Team
*All brokerage fees, including listing and buyer agent compensation, are fully negotiable and determined solely by the seller and service provider.
*Flat-fee pricing and service availability may vary by location.
*Examples and potential savings are for illustrative purposes only.