Home Addition Cost in Rialto, California ()
Home addition cost in Rialto, California ranges from $144 to $289 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.
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 Rialto, CA?
Home addition cost in Rialto, California ranges from $144 to $289 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 Rialto, CA. 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:
- 12x12 addition cost (144-sf): $21,000 to $42,000.
- 20x20 addition cost (400-sf): $58,000 to $116,000.
- 20x30 addition cost (600-sf): $87,000 to $173,000.
- 20x40 addition cost (800-sf): $116,000 to $231,000.
- 25x40 addition cost (1,000-sf): $144,000 to $289,000.
- Note: The lower end of these ranges represents standard grade construction and the upper end represents premium grade.
- Note: Luxury grade construction in high cost areas could be as much as double the upper end of these ranges.
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Factors that Influence House Addition Cost in Rialto
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:
- You want premium or luxury grade construction.
- The addition requires a foundation.
- The property is historic and requires special approvals.
- The house is occupied.
- A basement needs to be dug.
- The site has a significant slope or is rocky.
- The property is in a hard to reach location (more travel time).
- The property is in a high cost area.
Your prices may be lower when:
- You want standard grade construction.
- No foundation is required.
- The house is vacant.
- The addition does not have a basement (it is constructed on-grade).
- The property is easily accessible (less travel time).
- The property is in a lower cost.
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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 Rialto 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.
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.
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.
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.
20x20 room addition cost in Rialto ranges from $58,000 to $116,000 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.
12x12 room addition cost in Rialto ranges from $21,000 to $42,000 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.
The cost to add a second story in Rialto ranges from $144 to $289 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.
Related Cost Guides
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:
- Building a new house? Home Building Cost Guide for Rialto, CA
- Building a barndominium? Barndominium Cost Guide for Rialto, CA
- Remodeling a bathroom? Bathroom Remodeling Cost Guide for Rialto, CA
- Remodeling a kitchen? Kitchen Remodeling Cost Guide for Rialto, CA
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Local Home Addition Contractors Near Rialto, CA
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.
DeLapp Builders DeLapp Builders is a full-service home improvement residential building contractor specializing in custom kitchen remodeling, bathroom remodeling, room additions, and structural renovations. Whether recreating your living space, replacing your windows, or adding a new room, we are ready to help with prompt and professional assistance. We take pride in offering you the finest craftsmanship by our highly-experienced, reliable and trustworthy experts. We are fully licensed and bonded, and ensure complete satisfaction with every project through personal, hands on supervision.
Home Masters Intl With over 19 years serving the Inland Empire, we at Home Masters International can confidently say we don’t only do it all, we do it with transparency and integrity. We pride ourselves not only on the work we do, but the relationships we create with our clients. At Home Masters International you don’t have to compromise your daily life for your dream home. Whether you are looking for custom home building, complete home remodeling, commercial and tenant improvements, landscaping, or hardscaping, we will be with you every step of the way.
Sun Boss Rooms & Baths We offer a full service design and build solution. Generally our designers start the process by meeting with you on site and discussing your needs, wants and ideas for your new space. We take photos and measurements of your home and your yard and then create both sun studies and virtual renditions of how your new room will look on your home. We will design your space based on the way you want to use it, the sort of furniture you choose to have in it and how you want it to interact with the rest of your home.
Home Improvement Industries Home Improvement Industries, INC. is a well-known for its expert work in residential and commercial remodeling in every phase of the construction industry. Our knowledgeable and professional craftsman will skillfully and expertly design and build your project within budget, on time, every time. Our commitment to customers is to build the project they dreamed of; so that they may enjoy it for a lifetime.
Home Addition Cost Estimates
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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.
- How to Get Home Addition Price Quotes
- How to Get Matched to Home Addition Contractors
- Search for Home Addition Cost in Your City
- Home Addition Cost Guide (National Averages)
- Home Addition Cost in Richardson, TX