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Home Addition Cost Calculator — Boca Raton

Home addition costs in Boca Raton, Florida run higher than the national average. Square footage, foundation type, and whether you're adding a bathroom or kitchen are the biggest cost drivers in the South region.

Low estimate$28,800
Average$74,800
High estimate$172,400

Addition square footage

Addition square footage 300

Quality Tier

Standard materials, solid craftsmanship

Scope of Work

Labor

Labor portion of total cost 40%

Home Addition Cost in Boca Raton: 2026 Guide

Use the calculator above to get a quick estimate. The guide below explains what drives home addition costs in Boca Raton and what to expect from contractors in Boca Raton.

Typical Home Addition Costs in Boca Raton

Project ScopeLowHigh
Simple room bump-out (100–200 sqft)$10,100$18,700
Standard bedroom addition (200–350 sqft)$28,800$63,200
Master suite with bathroom (350–500 sqft)$63,200$74,800
Full in-law suite or major addition (600–1,000 sqft)$74,800$172,400

What Affects Home Addition Costs in Boca Raton?

Labor rates: Contractors in Boca Raton charge $52–$103/hour for home addition work — higher than the national average.

Material costs: Material prices in the South region are higher than national average due to local supply, transportation costs, and market demand.

Project complexity: Site conditions, permitting requirements, and non-standard layouts can add 15–30% to total project cost.

Frequently Asked Questions

How much does a home addition cost in Boca Raton?
Home additions in Boca Raton cost $28,800–$172,400 depending on size and scope. A simple bedroom addition (200–300 sqft) runs $28,800–$63,200. A master suite or in-law addition with a bathroom runs $74,800–$172,400.
What is the cost per square foot for a home addition in Boca Raton?
Home additions in Boca Raton cost $150–$400 per square foot fully finished. The South region averages higher than national rates due to local labor market. Basic additions run $52/sqft; luxury finishes hit $103/sqft+.
How long does a home addition take in Boca Raton?
A standard bedroom addition (200–400 sqft) takes 2–4 months from permit to completion in Boca Raton. Additions requiring new plumbing or HVAC take 3–6 months. Permitting adds 4–8 weeks upfront.
Is a home addition worth it vs. moving in Boca Raton?
In Boca Raton, home additions often cost less than selling and buying a larger home (especially with closing costs and moving expenses). A $74,800 addition can add $63,200–$74,800 in home value while keeping your current location.

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Estimated cost in Boca Raton

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Range: $0 – $0
Materials$0
Labor$0
City multiplier1.15x

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