Home Addition Cost in Jacksonville (2026): Average Price & Estimate

Home Addition Cost in Jacksonville

Estimated home addition cost in Jacksonville

$37,600–$112,800

Roughly about 6% below the national average.

Ample contractor supply keeps prices below average.

Estimate your cost

Addition size (square feet)

Addition type

Finish level

ZIP code (optional, adjusts for your area)

Based on Jacksonville, FL pricing.

Estimated cost range

$37,600–$112,800

BudgetTypicalPremium

An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for Jacksonville, FL. Get written quotes from licensed Jacksonville contractors before you budget.

Free, no obligation

Get matched with local home addition (jacksonville) pros

Tell us about your project and we will help you get free quotes from vetted contractors in your area.

Full name

Phone

ZIP code

Timeline

Project details (optional)

By clicking the button below, I agree that HouseProjectCalc and up to four home-improvement providers matched to my project may contact me at the phone number and email I provided, including by automated telephone dialing system, prerecorded voice, text message, and email, about my project, even if my number is on a Do Not Call list. Consent is not a condition of any purchase. Message and data rates may apply. I have read and agree to the Privacy Policy and Terms of Use.

Secure form. We only share your details with pros you ask to be matched with. See our Privacy Policy.

What to know about home addition in Jacksonville

High water tables and storms near Jacksonville stress foundations, so drainage and proper fill are key.

What affects home addition cost in Jacksonville

Beyond the local market, the same factors that drive home addition cost everywhere apply in Jacksonville:

Addition size in square feet.
Type: a bump-out is cheapest, a second-story addition the most expensive.
Whether it includes a kitchen or bathroom (plumbing).
Foundation, framing, roof, and tie-in to the existing structure.

Home Addition cost by addition type in Jacksonville

These figures are adjusted for Jacksonville pricing (about 0.94x the national average), so they reflect what local homeowners actually pay.

Estimated home addition cost by addition type in Jacksonville (2026)

Addition type	Cost in Jacksonville	Typical total
Bump-out (a few feet)	$75.20 to $226 /sq ft	About $30,100 to $90,200
Sunroom	$84.60 to $254 /sq ft	About $33,800 to $101,500
Single room addition	$94 to $282 /sq ft	About $37,600 to $112,800
In-law / suite with bath	$113 to $338 /sq ft	About $45,100 to $135,400
Second-story addition	$132 to $395 /sq ft	About $52,600 to $157,900

Frequently asked questions

How much does home addition cost in Jacksonville?

In Jacksonville, FL, home addition typically costs $37,600 to $112,800 in 2026 for a standard project, about 6% below the national average. Your exact price depends on size, materials, and scope.

Why does home addition cost more or less in Jacksonville?

Ample contractor supply keeps prices below average. Labor rates, permit costs, and local demand are the main reasons Jacksonville prices differ from the national average.

Do I need a permit for home addition in Jacksonville?

Most home addition projects require a permit. Requirements vary by city and Florida jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for home addition in Jacksonville?

In Jacksonville, try to schedule major exterior work outside hurricane season (roughly June to November). Late fall through spring tends to be more reliable for roofing and siding.

Is home addition cheaper outside Jacksonville?

Sometimes. Jacksonville runs about 6% below the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.