Quote from @Patrick Flanagan:
Hello,
I’m going through all the steps and making a list of everything I need to do to buy land and build a duplex to 4 plex my self. The only thing I legally have to sub out is the foundation and plumbing(I’m a Electrician)
I don’t know how to estimate the cost of the build. After I have a set of plans(say a duplex). How do I go about estimating the cost of all the lumber needed, roof material, dry wall, siding, flooring etc.
any advice helps,
thanks Pat
Hi Pat,
Below are some online resources that might help. Just search the name of each and you will find a link to their calculators.
Remodeling Calculator offers a detailed guide and calculator to estimate the costs for various aspects of building a house, including roofing, siding, windows, HVAC, flooring, kitchen, and bathroom expenses.
BuildBook provides a free Construction Cost Calculator that helps you calculate total construction costs based on line items, rates, and quantities. It emphasizes the importance of accounting for every element of a project, including contingencies, financing costs, profit margin, variances, and unforeseen expenses. The site also offers a free collection of construction calculators for more specific estimating needs.
Building Journal offers an online construction cost calculator that quickly estimates the cost of residential and commercial projects in over 160 U.S. cities. This can be particularly useful for getting location-specific estimates, which are crucial as costs can vary significantly depending on the area.
Home-Cost features a cost-to-build calculator that allows you to vary zip code, actual home design, and quality assumptions for more accurate cost estimates. Their database covers over 40,000 zip codes and 4,000 design and material options, providing detailed and reliable results that take into account the specificities of your project location and design choices.
Omni Calculator offers a range of construction calculators for specific needs, such as concrete requirements for various parts of a construction project (slabs, blocks, columns, stairs, etc.), as well as calculators for other materials and project aspects. These tools can help you estimate the materials you'll need and their costs with a high degree of specificity.
Each of these resources has its unique strengths, from providing comprehensive project estimates to focusing on specific materials or aspects of construction. Utilizing a combination of these tools can give you a well-rounded view of the potential costs involved in building a house from scratch.
Good luck with your build,
KC