San Tan Valley Just Became an Official Town. Here's What That Actually Means for Homeowners.
This is a big deal, and it's one that a lot of people are still catching up on.
In August 2025, residents of San Tan Valley voted 66.6% in favor of Proposition 495, making San Tan Valley Arizona's 92nd incorporated municipality, and the largest incorporation by population in Arizona history. With approximately 100,000 residents at the time of the vote, it's a significant moment for a community that had been unincorporated for its entire existence.
If you're buying in San Tan Valley, or already own a home there, here's a clear-eyed look at what incorporation actually means.
Some Background
Before August 2025, San Tan Valley was an unincorporated community managed by Pinal County. That status came with real practical consequences: county-level zoning decisions, county road maintenance, county law enforcement through the Pinal County Sheriff's Office, and tax revenue generated in San Tan Valley flowing largely to county and state pools rather than staying locally.
San Tan Valley had attempted incorporation before, with efforts in 2004 and 2005 failing to gather enough signatures. The 2025 vote succeeded with a clear majority, per Ballotpedia's certified results.
Per the Arizona League of Cities and Towns, the only substantive difference between a town and a city in Arizona is that a city may adopt a charter and a town may not. San Tan Valley is designated as a town.
What Changes
Local governance. San Tan Valley now has its own town government: a town council, town manager, town attorney, and town clerk. Residents have elected representation focused exclusively on San Tan Valley's needs and priorities, rather than sharing county governance with a much broader area.
Tax revenue stays local. This was one of the primary arguments in favor of incorporation. Prior to Prop 495, state-shared revenue generated in San Tan Valley, estimated by the pro-incorporation campaign at $51.3 million to $65 million annually, did not return directly to the community. As a town, San Tan Valley receives its share of state-shared revenue to fund local services and infrastructure.
Former Phoenix City Councilmember Sal DiCiccio, who spoke in favor of Prop 495, put it directly: "It makes zero sense for San Tan Valley residents to send over $10 million of their tax dollars every year to a city that's miles away and doesn't represent them. That money should be building your roads, your parks, and your families."
Local zoning and planning authority. The town council now has a voice in local land use decisions and development planning in ways that county governance did not provide at the same level.
Service continuity during transition. Pinal County is continuing to provide road maintenance, planning, and zoning services through the transition period, which runs through July 1, 2026, according to reporting on the Mattamy Homes expansion in San Tan Valley. Services did not abruptly change with the vote.
What Stays the Same
Phoenix Agent Magazine: "Voters approved the measure this summer, the county certified the results, and services continue under Pinal County during the transition, so trash still gets picked up, streets still get maintained and public safety coverage doesn't skip a beat."
Utilities remain managed by state-regulated providers. Incorporation does not change water or electricity service.
Schools are governed independently of local government and are not affected by incorporation. San Tan Valley is served by the Queen Creek Unified School District and the J.O. Combs Unified School District.
Existing development agreements that were in place before incorporation remain binding. The new town council cannot unilaterally undo zoning or agreements that were already in effect.
What It Means for Property Values
Phoenix Agent Magazine: "Incorporation could allow for more localized decision-making, potentially improving zoning, infrastructure, and amenities."
"In the near term, recognition as an official town will likely attract more buyers and investors, bringing added visibility and credibility to the community. Over time, incorporation allows for greater control over zoning, planning and infrastructure improvements, which can enhance property values and neighborhood appeal."
The incorporation also brings something harder to quantify but real: identity. San Tan Valley now has an official name, a government, and a civic infrastructure that gives it a standing as a community that it didn't formally have before. For buyers who have been slightly hesitant about the area's less-defined status, this clarity matters.
At the same time, it's honest to note that some longtime residents preferred the unincorporated status, either for philosophical reasons about local governance or because of concerns about potential future tax increases. About 33% of voters opposed Prop 495, according to Ballotpedia. That perspective is worth acknowledging.
What Buyers Should Know
If you're considering buying in San Tan Valley right now, here's the practical summary:
Incorporation is real, approved, and moving through implementation. Daily life hasn't changed dramatically yet, and won't overnight. But the trajectory of the community has shifted. San Tan Valley is now a town investing in its own future, with local governance shaping its infrastructure, character, and growth.
The median home price in San Tan Valley is currently around $422,000, according to Redfin data cited in recent market reporting, making it one of the more accessible entry points in the East Valley. Combine that with the incorporation story, the ongoing Skyline Ranch Marketplace retail development coming online, and the continued new construction activity from builders like Mattamy Homes in the Soleo community, and you have a market that's genuinely in an interesting moment.
Buying ahead of a community's full development tends to look smart in hindsight. Whether San Tan Valley is the right choice depends on your priorities. But the incorporation piece gives the community a clarity and momentum that makes the conversation easier to have.
Sources: Ballotpedia (August 2025), Phoenix Agent Magazine (September 2025), Axios (August 2025), SanTanValley.com incorporation coverage, Arizona League of Cities and Towns, Redfin market data, Mattamy Homes/Phoenix Metro Home Search reporting (October 2025).
Deena Fischer and Sam Wagner are licensed real estate agents with Fischer Home Group at DeLex Realty, serving the East Valley including Gilbert, Queen Creek, San Tan Valley, Chandler, Mesa and Tempe. Find them on Instagram at @FischerHomeGroup and @swaghomesaz.