2025 Interior Costs Book

The focus of the 2025 Interior Costs Book with RSMeans data is on new, commercial, interior construction. It is aimed primarily at estimating commercial and industrial projects or large multi-family housing projects costing $3,500,000 or more. Although it captures data from each MasterFormat division, the divisions typically associated with exterior construction have been abbreviated. Those divisions with an interior focus (9, 10, 11, and 12) have been expanded. The wage rate is union and the assumption is that the installing contractor has annual billings of $4,000,000 or more. Since the data set includes both unit price and assembly formats, this data set can be used to develop budget as well as detailed estimates.

• Includes both assembly and unit cost formats
• Expanded focus on commercial, interior, new construction
• Can be used to develop both budget and detailed estimates

Supplemental Information Included: Equipment Rentals, Crews, Historical Cost Indexes, City Cost Indexes, Location Factors, Reference Tables, Change Orders, Project Costs, Square Foot Project Size Modifier, Abbreviations

Level of Cost Detail: Unit Costs, Assemblies

The 2025 Interior Costs Book With RSMeans Data is focused on new, commercial, interior construction. It is aimed primarily at estimating commercial and industrial projects or large multi-family housing projects costing $3.5 million or more. This dataset includes over 16,000 unit cost line items across 23 CSI MasterFormat divisions with an expanded sections for interior specific sections (9, 10, 11, 12).  Divisions typically associated with exterior construction have been abbreviated. The assumption is that the installing contractor has annual billings of $4 million or more.

• Ideal for interior build-out construction projects.
• Includes common tasks like drywall installation, acoustical ceiling systems, painting, built-in furniture, kitchen equipment window treatments and movable partitions.
• Unit costs are organized in CSI MasterFormat 2018.  
• Assemblies are organized in UniFormat II.

Supplemental Information Included: Equipment rental costs, crew listings, Historical Cost Indexes, City Cost Indexes, location factors, reference tables, change order best practices, project size modifiers, labore trade rates including overhead and profit and common abbreviations.

Level of Cost Detail: Unit Costs, Assemblies

Labor Type: Standard Union