Home Addition Cost in Maricopa County, Arizona ()

Home addition cost in Maricopa County, Arizona ranges from $126 to $251 per square foot. Standard grade construction is represented by the lower end of this range and premium grade construction is represented by the upper end of this range. Luxury grade construction could be as much as twice the cost of the upper end of this range. To get a more accurate cost for your home addition project, request a quote. Please note that if you use our matching service, we may be compensated.

Home Addition Cost
By HomeBlue Team
June 06, 2024 12:05 PM

Topics Covered in this Guide: Home Addition Cost | Home Addition Cost Factors | Frequently Asked Questions | Related Cost Guides | Find Home Addition Contractors | Home Addition Cost in Your Area

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How Much Does Home Addition Cost in Maricopa County, AZ?

Home addition cost in Maricopa County, Arizona ranges from $126 to $251 per square foot. Standard grade construction is represented by the lower end of this range and premium grade construction is represented by the upper end of this range. Luxury grade construction could be as much as twice the cost of the upper end of this range. Consult with a contractor to discuss the pros and cons of different construction grades.

This guide is intended to provide you an approximate home addition cost in Maricopa County, AZ. To get a more accurate quote for your specific project, request a free estimate. Our research, although general in nature, does include feedback provided by home addition contractors and research conducted by the HomeBlue staff.

Home addition cost based on the size of the addition:

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Factors that Influence House Addition Cost in Maricopa County

When addition contractors come to your house to provide you an estimate, they will consider a number of factors that can increase or decrease the cost of your project. Pricing for your home addition project will vary based on the quality of construction you choose, the size of your addition, and the topography of the site. Here are a few things to keep in mind when you get quotes from house addition contractors:

Your prices may be higher when:

Your prices may be lower when:

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Home Addition FAQs

Here are a few frequently asked questions related to home addition construction:

You can find home addition contractors in Maricopa County by 1) asking a neighbor for a referral, 2) searching for “home addition contractors” in your favorite search engine, 3) using a traditional paper directory resource (yellow pages), 4) looking for ads on your local TV station, 5) using an online matching service.

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Find Home Addition Contractors in Maricopa County

In general, hiring an architect or designer to prepare construction documents is likely necessary. The structural elements of the building will need to be designed and stamped by a licensed structural engineer. If you need to do foundation work, you may also need a civil engineer to make sure the site is properly graded. You can ask your builder if they could assist you with the design process (ie: do the project using a design/build approach) or whether they would prefer you hire an architect separately to prepare drawings. Either way, the final design documents will then need to be submitted to your local permit office for approval.

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Building a home or an addition requires a contractor’s license in most localities. However, many localities provide exemptions when property owners choose to serve as the general contractor for a property that they own. You will need to research your local laws. For instance, here is a link to a Florida statute addressing owner-builder exemptions. There are pros and cons relating to serving as an owner-builder. For instance, you will assume many of the responsibilities and liabilities associated with the project.

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Discuss Your Options with a Contractor in Maricopa County

It is highly likely that you will need a building permit to build a home addition. Discuss the permit process with the contractors you are considering for the project. A seasoned and reputable contractor should be comfortable and willing to help guide you through the process or willing to handle the task as part of their contract.

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Get Matched to a Home Addition Contractors in Maricopa County

20x20 room addition cost in Maricopa County ranges from $50,000 to $100,000 depending on the grade of construction used. Standard grade will be at the lower end of this range and Premium grade will be at the upper end of this range. To get a more accurate cost for your specific project, request a quote from a local contractor.

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Get Estimates from Home Addition Contractors in Maricopa County

12x12 room addition cost in Maricopa County ranges from $18,000 to $36,000 depending on the grade of construction used (standard is at the bottom end of this range and premium grade is at the top end of this range). To get a more accurate cost for your room addition project, request a quote from a local contractor.

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Get Quotes from Home Addition Contractors in Maricopa County

The cost to add a second story in Maricopa County ranges from $126 to $251 per square foot depending on the grade of construction used (standard is at the lower end of this range and premium grade is at the upper end of this range). To get a more accurate cost, request a quote from a local contractor.

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Cost Estimates from Home Addition Contractors in Maricopa County


We have researched several other closely related projects. If one of these projects better represents the type of project you are undertaking, please check out the appropriate guide:

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Local Home Addition Contractors Near Maricopa County, AZ

The following are a few contractors in your area. Note that these companies have not been screened or vetted by HomeBlue. Please conduct proper due diligence prior to hiring these or any other company you may select.

Everything Residential Everything Residential is a custom builder with a top design team and seasoned professionals for all your architectural needs. Whether you're adding a new out building for entertaining or storage, converting a garage into extra living space, building a new office, or even a suite of rooms for guests or new additions, Everything Residential has you covered. From design to blue prints, dealing with the HOA, passing inspections, finishing ahead of time and under budget, we have the experience and skill you need to complete your project quickly and within your budget.

Superior Home Remodeling We are a father and son Phoenix home remodeling company specializing in all aspects of home renovation. From kitchen and bathroom remodeling to whole house transformations and room additions, we are experts in all areas. Dedicated to quality workmanship and attention to detail, we do most or all of the labor ourselves. This allows us to work closely with you to ensure that your dream home remodeling project is everything you hoped it would be.

Infinity Builders - Phoenix Remodeling & Construction Infinity Builders is a home remodel & new construction expert. Every person in our team of project managers, designers and carpenters loves what they do on a daily basis, working together as been a blessing for us all and we convey that in every aspect of our work. We take our quality seriously and with do not compromise our high standards in any phase of the construction process.

Holtzman Home Improvement Holtzman is widely experienced in construction and design services from small to complete turn-key solutions. If you are looking to do a home addition, Holtzman Home Improvement provides you with the best contractor services backed by decades of experience and 5-star reputation. Adding living space to your property is now easier than ever - with Team Holtzman. If you are seeking a home remodeler or glass company Phoenix, Holtzman Home Improvement builds any project with an eye-catching and an exceptional complement to any existing or new construction interior.

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Find Home Addition Cost in Your Area

House addition cost varies from area to area. We have developed a number of home addition cost guides to help you identify the room addition cost near you.