Cost Guides
Prefab Modules Cut Addition Time to 8-14 Weeks
Homeowners gain extra space through prefab modular additions, which factory-produce finished units for swift installation. An 800-square-foot expansion averages $145,000 and completes in 8 to 14 weeks, yielding 60 to 80 percent return on investment. This approach minimizes on-site chaos while delivering durable, high-quality results.
By Nicole Stambaugh
5 min read
