One of the most common questions we receive at is "Do I live in San Tan Valley?", so we thought we'd provide some basic information to help you discover where you live and which services you can access.

First, zip codes do not determine municipal or community boundaries.  So don't assume that you live in a town boundary because of your zip code.  For example, San Tan Valley and Queen Creek, both share the zip code 85142 and 85140 (as a result of recent annexations) and Florence and San Tan Valley both share the zip code 85132.  As a result having a zip code of 85142, 85140 or 85132 does not determine which community/town you live in..

San Tan Valley currently includes zip codes 85140, 85142, 85143 and 85132.  The United States Post Office determines zip codes and they pay no attention to city or area boundaries. 

I used to live in Queen Creek, now I live in San Tan Valley.  Unless you actually moved out of the Town of Queen Creek and into San Tan Valley, that isn't a true statement.  Before June 23, 2009, the area now known as San Tan Valley, used the name Queen Creek, not because it was part of the town, but because the Queen Creek post office delivered mail to this area and without a name, it had to be called something.  So for a time it was called Queen Creek and your mailing address was Queen Creek.  On June 23, 2009 however, San Tan Valley became the name of this area, which as of this article, is a census designated area made up of over 120,000 residents, in unincorporated northeastern Pinal County.  

How do I know if I live in Queen Creek?  Simply having a zip code of 85142 does not mean you live in Queen Creek.  Many of San Tan Valley's housing communities have an 85142 zip code, including the San Tan Foothills, San Tan Heights, Morning Sun Farms and Skyline Ranch.  The easiest way to determine if you live in Queen Creek or San Tan Valley is to look at your trash can. 

If not, you do not live in the Town of Queen Creek.

*Since this article was first published, the Town of Queen Creek has annexed some property located in the zip code 85140.  The areas affected are in the 85140 zip code and include Banner Ironwood, Encanterra, Ironwood Crossing and the surrounding commercial and farm land located on the northwest corner of Ironwood & Ocotillo between Meridian - Ironwood and Ocotillo - Germann.  In addition, in September 2019, Queen Creek annexed state trust land north of Germann north to Williams Field Road and Ironwood east to the Central Arizona Project. Prior to 2017, the only properties in the 85140 zip code that sat within the town of Queen Creek boundary were the LDS ward and American Leadership Academy campuses located on the north side of Combs, west of Gantzel.  The annexed areas were once part of San Tan Valley but are now part of Queen Creek.  There is no land however that was once Queen Creek that is now San Tan Valley.

How do I know if I live in Florence?  Simply having a zip code of 85132 does not mean you live in Florence.  Again, check your property tax bill. 

If not, you do not live in the Town of Florence.  The furthest north housing community in the Town of Florence is Anthem, even though the 85132 zip code runs up to Arizona Farms. So if you live in Crestfield Manor, Wildhorse Estates, Magic Ranch, Ironhorse, etc you live in San Tan Valley, not the Town of Florence.

But my address isn't in the map that is on Google for San Tan Valley.  Google isn't always right and when it comes to San Tan Valley.  Actually, it rarely is.  The map of San Tan Valley, that is currently on Google, does not include all of San Tan Valley.  That map is from a previous 2010 attempt to incorporate which would have defined new boundaries, however the incorporation effort was blocked by the Town of Florence (and other communities) and the initiative never got to a ballot for a vote.  San Tan Valley however was "born" the year before on June 23, 2009 and simply included all unincorporated land in northeastern Pinal County that is not in another municipality or census designated area boundary.

To see the current Town of Queen Creek boundaries (provided by the Town of Queen Creek) click here or call 480-358-3000.  The green area is of the incorporated Town of Queen Creek. If you live in the green area, you reside inside the Town of Queen Creek boundaries.  This map is the most current map provided by the Town of Queen Creek, however since the map was created in 2009, Queen Creek has annexed more property out of San Tan Valley and into its town boundary, including the area known as the j-curve (Empire & Ellsworth) where a car dealership and storage facility have been built, Banner Ironwood, and all property between Meridian and Ironwood and Ocotillo to Germann, which includes Ironwood Crossing, the new Safeway shopping center and the LDS church and farm that are being converted into more homes. The land north of Germann to Williamsfield Road and from Ironwood east to Schnepf Road is now also no longer a part of San Tan Valley but has been annexed into the Town of Queen Creek.

Note: The zip codes listed on the Town of Queen Creek map reflect zip codes of 852XX which were changed to 851XX July 1, 2009.

To see if you live within the current Town of Florence boundaries click here or call 520-868-7594.

Note:  All of the unincorporated land in Northeastern Pinal County that is not currently part of the City of Apache Junction, the unincorporated community of Gold Canyon, the Town of Queen Creek or the Town of Florence, is considered San Tan Valley.  

Curious about which other unincorporated communities are in Arizona? Click here.

Does it really matter whether I say I live in Queen Creek or Florence instead of San Tan Valley? YES! It does. 

San Tan Valley does not have an additional property tax, does not charge a rental tax, has a sales tax of only 7.2% and does not charge franchise fees.  

Unless you live within the boundaries of Queen Creek or Florence, we ask that you use San Tan Valley as your mailing and physical address for your home and business (if applicable).  Your zip code does not determine your community, it simply identifies the United States Postal Service mail route.


Current 2020 Map of San Tan Valley

stv map 093020