In the Denver metro area, the cost to build a 500-square-foot home addition typically ranges from $150 to $300 per square foot. Based on these estimates, a project of this size generally costs between $75,000 and $150,000.
This total estimate is comprehensive and includes:
- Design fees and architectural planning.
- Materials and finish selections.
- Required permits and municipal approvals.
- Labor for all construction phases.
Several variables can influence where your project falls within this price range. Key factors include the specific soil conditions of your property, necessary modifications to the existing structure, the quality level of your chosen finishes, and current seasonal demand.
Additionally, the type of expansion impacts the budget; ground-level extensions often offer a lower per-square-foot cost and faster completion compared to a second-story "pop top," which requires higher structural engineering costs for foundation reinforcement.
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