Looking for an addition contractor in Yuma, AZ? Describe your project once and up to three addition contractors who work in Yuma and Yuma County get back to you with a quote. It's free and there is no obligation.
Yuma is home to about 103,559 people (2024 Census Bureau estimate), a growing community (+6.7% since 2020). With 855 people per sq mi, it is a semi-rural area. Growing families here often add space instead of moving.
Yuma at a glance
- Population (Census Bureau estimate, 2024)
- 103,559 (+6.7% since 2020)
- Rank in Arizona
- 13th of 91 cities and towns
- Land area
- 121 sq mi
- Population density
- 855 people per sq mi (semi-rural)
- Type
- City (Yuma city)
- Main county
- Yuma County
What to check before hiring in Yuma
- Zoning: check Yuma'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 Yuma
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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 Yuma
How much does an addition cost in Yuma, AZ?
It depends on size, foundation and finishes. Describe your project: contractors who serve Yuma 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 Yuma 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.