Looking for an addition contractor in Fountain Hills, AZ? Describe your project once and up to three addition contractors who work in Fountain Hills and Maricopa County get back to you with a quote. It's free and there is no obligation.
Fountain Hills is home to about 23,696 people (2024 Census Bureau estimate), a stable community (−0.5% since 2020). With 1,168 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
Fountain Hills at a glance
- Population (Census Bureau estimate, 2024)
- 23,696 (−0.5% since 2020)
- Rank in Arizona
- 32nd of 91 cities and towns
- Land area
- 20 sq mi
- Population density
- 1,168 people per sq mi (suburban)
- Type
- Town (Fountain Hills town)
- Main county
- Maricopa County
What to check before hiring in Fountain Hills
- Zoning: check Fountain Hills's setbacks, lot coverage and height limits first.
- License and permit: in Arizona, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Fountain Hills
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Fountain Hills
How much does an addition cost in Fountain Hills, AZ?
It depends on size, foundation and finishes. Describe your project: contractors who serve Fountain Hills reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to three independent addition contractors who serve Fountain Hills and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.