Queen Creek and San Tan Valley sit close enough together that buyers often treat them as one continuous area, and their mailing addresses do little to clear up the confusion. But the county line running through this part of the East Valley has a real effect on what a homeowner pays in property tax each year, and the difference does not always run the direction buyers expect.
Queen Creek spans both Maricopa County and Pinal County, since annexed areas including the Ironwood Crossing community fall within Pinal County even though they carry a Queen Creek address and sit inside town limits. San Tan Valley sits entirely within Pinal County. Here is how the tax picture actually breaks down.
The Rates, Side by Side
San Tan Valley carries one of the lower effective property tax rates in the broader Phoenix area, generally around 0.43 to 0.44 percent of assessed value. Queen Creek addresses within Maricopa County, which make up most of the town, generally run somewhat higher, around 0.47 to 0.49 percent. Queen Creek addresses that fall within Pinal County, such as Ironwood Crossing, carry the highest rate of the three, generally around 0.62 to 0.64 percent.
| Location | County | Typical Effective Rate |
|---|---|---|
| San Tan Valley | Pinal | ~0.43% to 0.44% |
| Queen Creek (85142 area) | Maricopa | ~0.47% to 0.49% |
| Queen Creek (85140 area, incl. Ironwood Crossing) | Pinal | ~0.62% to 0.64% |
Pinal County is not uniformly cheaper or more expensive than Maricopa County. San Tan Valley, entirely in Pinal County, has one of the lowest rates in the region, while the Pinal County portion of Queen Creek has one of the higher rates among these three. The county line alone does not predict the tax bill; the specific city, school district, and any special assessments layered on top do.
Why the Same Town Has Two Different Rates
The gap within Queen Creek itself comes down to layering. A base county rate is only the starting point; school district levies, community facilities district assessments, and other voter-approved special district bonds stack on top of that base rate, and these layers differ by specific location rather than by county alone. An annexed Pinal County neighborhood inside Queen Creek can carry a different school district or CFD structure than a Maricopa County neighborhood a few miles away, even though both fall within the same town government and share the same town services.
What This Looks Like in Dollars
Applying these rates to each area’s typical home price gives a clearer sense of the real difference. San Tan Valley’s lower price point compounds with its lower rate, while Queen Creek’s higher price point means even its lower Maricopa County rate produces a larger dollar bill than San Tan Valley’s.
| Scenario | Representative Price | Est. Annual Tax | Est. Monthly |
|---|---|---|---|
| San Tan Valley (Pinal) | $415,000 | ~$1,800 | ~$150 |
| Queen Creek, Maricopa side | $650,000 | ~$3,100 | ~$260 |
| Queen Creek, Pinal side | $650,000 | ~$4,100 | ~$340 |
At the same hypothetical price point, the Pinal County side of Queen Creek runs roughly $1,000 a year higher than the Maricopa County side, a real but modest difference against a monthly mortgage payment that likely runs into the thousands of dollars either way. These are representative estimates, not a quote for a specific parcel, since actual rates shift year to year based on local budgets and voter-approved measures.
Never assume a property’s county, or its exact tax rate, from its mailing address alone. Ask for a parcel lookup through the county assessor and a recent tax history for any specific home you are considering, since two homes a few streets apart can carry genuinely different numbers.
Sales Tax Adds Another Layer
Property tax is not the only rate that shifts with the county line. Pinal County adds a 1.1 percent county sales tax on top of Arizona’s statewide 5.6 percent rate, with individual cities adding their own local rate on top of that. Queen Creek, as an incorporated town, applies its own municipal sales tax of roughly 2.25 percent regardless of which county a specific transaction falls in. Combined, the total sales tax rate a shopper pays can vary by a percentage point or more depending on the exact city and county combination, which matters more for everyday spending than for the home purchase itself, but is worth knowing as part of the overall cost picture.
Lower effective property tax rate than any of the Queen Creek scenarios
Lower typical home price, compounding the lower rate into a smaller dollar bill
Entirely within one county, avoiding the within-town rate variation Queen Creek has
Most of the town sits in Maricopa County, with a lower rate than Pinal-side Queen Creek
Generally higher home values and stronger appreciation history
More established town infrastructure and a longer incorporation history
Before You Buy: Confirm, Do Not Assume
- Pull a parcel lookup from the county assessor. Maricopa County and Pinal County each maintain separate assessor records, and only a direct lookup confirms which one applies.
- Ask for the specific tax history on a home you are considering. A recent tax bill shows the actual rate applied, not just a citywide average.
- Check for CFD or special district assessments separately. These can apply on top of the base property tax rate and vary by specific community.
- Do not rely on the mailing address. A Queen Creek or San Tan Valley address does not reliably indicate county or tax jurisdiction.
- Weigh the dollar difference against the bigger picture. Home price, schools, and lifestyle fit usually matter more than a few hundred dollars a year in property tax.
Property tax is one piece of a much larger decision between Queen Creek and San Tan Valley, but it is a piece worth understanding clearly rather than assuming based on general reputation. If you are weighing a purchase in either area, I would be glad to help you pull the specific numbers for homes you are considering.
Frequently Asked Questions
Is property tax lower in Pinal County or Maricopa County?
It depends on where specifically within each county. San Tan Valley, entirely in Pinal County, carries one of the lowest effective property tax rates in the region at roughly 0.43 to 0.44 percent. But Queen Creek addresses that fall within Pinal County, such as the annexed Ironwood Crossing area, carry a notably higher effective rate, roughly 0.62 to 0.64 percent, compared to roughly 0.47 to 0.49 percent for Queen Creek addresses in Maricopa County. Pinal County is not uniformly cheaper or more expensive than Maricopa County; the specific city, school district, and special assessments within each county matter more than the county line itself.
Why do two Queen Creek homes have different property tax rates?
Queen Creek spans both Maricopa County and Pinal County, since areas including the annexed Ironwood Crossing community fall within Pinal County’s borders even though they carry a Queen Creek address and are part of the town. Effective tax rates differ between the two portions because school district levies, community facilities district assessments, and other special district bonds are layered on top of the base county rate, and these layers differ by specific location, not just by county.
How much lower are property taxes in San Tan Valley compared to Queen Creek?
On a representative basis, a San Tan Valley home near the area’s median price of about 415,000 dollars, taxed around 0.43 to 0.44 percent, generates an annual bill in the range of roughly 1,800 dollars. A Queen Creek home near that town’s median price of about 650,000 dollars, taxed around 0.47 to 0.49 percent on the Maricopa County side, generates an annual bill in the range of roughly 3,100 dollars. Both the lower tax rate and the lower home price in San Tan Valley contribute to the difference.
Does sales tax also differ between Pinal and Maricopa County?
Yes. Pinal County adds a 1.1 percent county sales tax on top of Arizona’s statewide 5.6 percent rate, and individual cities within the county add their own local rate on top of that. Queen Creek, as an incorporated town, adds its own municipal sales tax of roughly 2.25 percent regardless of which county a specific transaction occurs in, so combined sales tax rates can vary by a percentage point or more depending on the specific city and county combination.
How can I find out which county a specific home is in before buying?
The most reliable method is a parcel lookup through the county assessor’s office, since a Queen Creek or San Tan Valley mailing address does not reliably indicate which county, or which specific tax jurisdiction, a property falls within. Either the Maricopa County Assessor or the Pinal County Assessor can confirm a parcel’s county, and your real estate agent or title company can pull the specific tax history and any community facilities district assessments tied to that parcel.
Should property tax alone decide whether I buy in Queen Creek or San Tan Valley?
No. The dollar difference in property tax, generally a few hundred to around a thousand dollars a year between most comparable scenarios in these two markets, is meaningful but usually smaller than differences in home price, school district, commute, and lifestyle between the two areas. Property tax is worth factoring into your monthly budget, but it should be one consideration among several rather than the deciding factor on its own.
Weighing Queen Creek against San Tan Valley, or want to confirm the tax picture on a specific home? I would love to help you pull the real numbers.

