Costs to Build an ADU
This is the very first step when deciding to build an accessory dwelling unit! You will need to determine what finishes you want. Everything from the countertops, flooring, doors, paint, etc. so that you can establish a rough estimate of price/sq.ft to determine the size of the accessory dwelling unit that you can build.
Plans & Design (Soft Costs)
Once you have a budget established it’s time to have your accessory dwelling unit designed and plans drawn. The cost to do this in Alpine is typically 5%-7% of the overall cost to build the ADU. It is important to remember that the costs will vary depending on if you hire an architect or a draftsman. However, if you choose one of our pre-designed ADU plans and specifications packages that could save you $6,500 or more.
Permits & Fees (Soft Costs)
Don’t forget to account for permits & fees as well when determining a budget for your accessory dwelling unit! Fees in Alpine will typically run between $9,000-$12,000 depending on the size of the home, school district, and location. These fees include school fees, traffic impact fees, building plan check fees, park fees, building permit fees, septic layout, septic permit fees, sewer fees & water meter fees.
Average site costs in Alpine are typically between $30,000-$65,000. However, this does depend on the land that you decide to build your accessory dwelling unit on and can very easily exceed these numbers. It is very important to investigate the costs involved to improve the building site prior to purchasing your land.
The site costs will include grading, soils testing, BMP’s (erosion control), landscaping, drilling a water well, water storage tanks, booster pump & pressure tanks for the water storage tank, septic system, electrical service line, propane or natural gas line, city sewer line connection, water meter connection, asphalt or concrete driveway and area drains.
When figuring costs to build your accessory dwelling unit in Alpine we look at previously completed projects with similar finishes and evaluate costs in 3 different categories. Those categories are the living area, covered porch area, and garage. From there we can make a rough estimate of the building costs for your new ADU! You will find the average costs for each one of these in our Accessory Dwelling Unit (ADU) Building Cost Guide for real cost per square feet examples and popular ADU floor plans.
What affects price per square foot?
Three other factors to consider when building an ADU in Alpine is the actual square footage of the accessory dwelling unit, the number of bathrooms (bathrooms and kitchens are the most expensive when it comes to building), and the type of finishes that you want. To get more detailed info on pricing out an ADU building project refer to our Accessory Dwelling Unit Building (ADU) Cost Guide!
Why build an Accessory Dwelling Unit in Alpine, CA?
Alpine County’s name is due to its resemblance to the Swiss Alps. It was once home of the largest producer of honey in the United States, and gained a reputation for being a “sweet” place to live or visit. The scale of honey production slowly decreased and diminished in the last century, Alpine continuously prospering as a community.
Why work with Freeman's Construction Inc?
Freeman’s Construction Inc. specializes in design build custom homes, whole house remodels, fire rebuilds, accessory dwelling units, additions, steel buildings & ICF construction (insulated concrete forms). We are leaders in fire-resistant construction & work in all areas of San Diego County.
We are a local family-owned company that has been in business since 1981. We are committed to delivering the highest quality custom homes, whole house remodels, additions, and ICF construction construction projects that are both on time and on budget. We take great pride in providing every one of our customers with a smooth and trouble free building experience. Our team will guide you through each step of our building process. Honesty, integrity & customer service are core values that make up the heart of our company. If you are looking for a general contractor you can trust, please contact us today.
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Freeman’s Construction Inc. has been building custom homes, accessory dwelling units, and completing whole house remodeling projects in San Diego County for over 39 years. To schedule a project consultation please call us today at 760-788-6846 or fill out a request form here.
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