How much does a basic screen porch enclosure cost in Clay County?

A 200 square foot screen porch enclosure in Clay County costs between $4,600 and $13,800, with the average project running about $8,280. This reflects the 0.92x local cost adjustment based on Jacksonville-area carpenter wages of $25.59 per hour.

What is the price difference between a 3-season and 4-season sunroom?

In Clay County, a 3-season sunroom averages $20,240 while a 4-season sunroom averages $34,960 for comparable 200 square foot spaces. The 4-season option costs roughly $14,700 more due to insulated framing, HVAC integration, and weatherproof construction required for year-round climate control.

Do I need hurricane-rated windows for a sunroom in Clay County?

While not always required by code, hurricane-rated glazing is recommended. Clay County's hurricane risk score of 89.78 (Relatively Moderate) and lightning risk of 92.33 (Relatively High) make impact-resistant glass a practical choice that may also reduce homeowners insurance premiums.

How much will a sunroom add to my electric bill?

At Florida's residential rate of $0.158 per kWh, a 4-season sunroom can add $50 to $100 monthly during summer if poorly designed. Specifying low-SHGC glass (below 0.30) and adequate AC capacity minimizes this impact. Three-season rooms without climate control add no energy cost but sacrifice summer usability.

Why are sunroom costs lower in Clay County than the national average?

Local carpenter wages of $25.59 per hour fall below the national average of $29.58 per hour. Since labor represents about 60% of project costs, this creates a 0.92x cost adjustment, saving homeowners roughly 8% compared to national pricing despite Clay County's above-average home values.

Is a 3-season sunroom usable year-round in Clay County's climate?

Partially. With only 1,472 heating degree-days annually (well below the 3,700 national median), winter comfort is rarely an issue. However, the 2,758 cooling degree-days mean summers are intense. Without AC, a 3-season room needs excellent ventilation and shading to remain comfortable from May through September.

What financing options work best for a sunroom in this market?

With mortgage rates at 6.36% and median home values of $281,500 in Clay County, a home equity loan or HELOC often offers the best rates for larger projects. A typical $34,960 four-season sunroom financed over 10 years costs approximately $395 monthly. Screen enclosures at $8,280 average are small enough for contractor financing or credit cards.

REGIONAL COST GUIDE · Clay County, FL

How Much Does a Sunroom or Enclosure Cost in Clay County, FL?

Sunroom costs in Clay County range from $4,600 to $50,600. Get local pricing for 3-season rooms, 4-season additions, and screen porch enclosures.

Cost range $4,600 – $13,800

Average $8,280

Updated May 18, 2026

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COST BREAKDOWN

What homeowners in Clay County actually pay.

Local market ranges built from regional labor, materials, and permitting data — not national averages.

Screen Porch Enclosure (200 sq ft)

$4,600 Avg: $8,280 $13,800

3-Season Sunroom (200 sq ft)

$13,800 Avg: $20,240 $32,200

4-Season Sunroom (200 sq ft)

$23,000 Avg: $34,960 $50,600

National avg $9,000 × 0.92x local adjustment = $8,280

Why Clay County prices look like this.

Sitting between Jacksonville's urban sprawl and the rural communities to the south, Clay County offers homeowners a unique opportunity: lower labor costs than the metro core while maintaining access to experienced contractors from the Jacksonville market. The median home value here sits at $281,500, placing this county in the very high cost tier at 1.63x the national average for home values. Despite elevated property values, sunroom and enclosure projects run about 8% below national averages due to competitive carpenter wages in the region. With 2,758 cooling degree-days annually, a well-designed sunroom becomes essential living space for much of the year, not just a seasonal bonus room.

Labor Costs and Contractor Availability

Carpenters in the Jacksonville metro area (which includes Clay County) earn an average of $25.59 per hour, translating to annual wages around $53,230. This rate falls below the national carpenter average of $29.58 per hour, contributing to the 0.92x local cost adjustment for sunroom projects. The market employs approximately 2,500 carpenters, providing solid contractor availability for residential additions. Labor accounts for roughly 60% of a sunroom project's total cost, so this wage differential saves Clay County homeowners several thousand dollars on a standard installation. Screen porch enclosures require less skilled labor and finish faster, while 4-season sunrooms demand HVAC integration and more precise weatherproofing work.

Weather Risks and Building Requirements

Clay County carries an overall hazard risk score of 81.08 (Relatively Moderate), with specific concerns that affect sunroom construction. Lightning risk ranks highest at 92.33 (Relatively High), making proper grounding and surge protection worth considering for any electrical work in your enclosure. Hurricane risk scores 89.78 (Relatively Moderate), which means impact-rated glass or shutters add both safety and insurance value to 4-season sunrooms. Tornado risk at 83.17 and inland flood risk at 85.91 both fall in the Relatively Moderate range. Coastal flood risk remains lower at 57.00, though properties near Black Creek or the St. Johns River should verify flood zone status before adding living space.

Climate Considerations for Sunroom Design

Clay County sits in IECC Climate Zone 2A (hot-humid), classified within the DOE's Southeast HVAC region. This is firmly cooling-dominated territory: the county logs only 1,472 heating degree-days annually (just 40% of the national median of 3,700 HDD), but racks up 2,758 cooling degree-days. For sunroom design, this means insulation matters far less than solar heat management. Low-E glass, tinted glazing, or exterior shade structures will determine whether your sunroom stays comfortable from May through October. A 3-season room without climate control becomes unusable during peak summer unless equipped with ceiling fans and operable windows positioned for cross-ventilation. Four-season rooms require dedicated AC capacity, often a mini-split system, to handle the glass-heavy heat load.

Energy Costs and Efficiency

Florida's residential electricity rate of $0.158 per kWh (as of February 2026) makes cooling costs a real factor in sunroom economics. A poorly designed 4-season sunroom can add $50 to $100 monthly to summer electric bills. The good news: Clay County receives excellent solar exposure at 5.38 peak sun hours daily, making solar-ready roof integration practical if you plan a future PV system. A 6kW reference system here would produce approximately 8,781 kWh annually, enough to offset a significant portion of whole-home electricity use, including sunroom cooling loads. When selecting glazing, prioritize Solar Heat Gain Coefficient (SHGC) ratings below 0.30 to reduce AC demand without sacrificing natural light.

Financing Your Sunroom Project

With mortgage rates at 6.36% as of mid-May 2026, financing a sunroom through a home equity product may prove more economical than personal loans. Clay County's median home value of $281,500 provides substantial equity for many homeowners, and median property taxes of $2,080 annually keep carrying costs reasonable. A 4-season sunroom at the typical $34,960 local cost, financed over 10 years at current rates, runs roughly $395 monthly. Some homeowners opt to finance screen enclosures (averaging $8,280 locally) through contractor payment plans or credit cards for smaller, faster payoff. Quality sunroom additions in this market often recoup 50-70% of their cost at resale, though return varies with design quality and neighborhood comparables.

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FREQUENTLY ASKED · 07

Questions buyers ask about sunrooms and enclosures in Clay County.

Short answers to the most common things we hear about local pricing, scope, and timing.

How much does a basic screen porch enclosure cost in Clay County?

A 200 square foot screen porch enclosure in Clay County costs between $4,600 and $13,800, with the average project running about $8,280. This reflects the 0.92x local cost adjustment based on Jacksonville-area carpenter wages of $25.59 per hour.
What is the price difference between a 3-season and 4-season sunroom?

In Clay County, a 3-season sunroom averages $20,240 while a 4-season sunroom averages $34,960 for comparable 200 square foot spaces. The 4-season option costs roughly $14,700 more due to insulated framing, HVAC integration, and weatherproof construction required for year-round climate control.
Do I need hurricane-rated windows for a sunroom in Clay County?

While not always required by code, hurricane-rated glazing is recommended. Clay County's hurricane risk score of 89.78 (Relatively Moderate) and lightning risk of 92.33 (Relatively High) make impact-resistant glass a practical choice that may also reduce homeowners insurance premiums.
How much will a sunroom add to my electric bill?

At Florida's residential rate of $0.158 per kWh, a 4-season sunroom can add $50 to $100 monthly during summer if poorly designed. Specifying low-SHGC glass (below 0.30) and adequate AC capacity minimizes this impact. Three-season rooms without climate control add no energy cost but sacrifice summer usability.
Why are sunroom costs lower in Clay County than the national average?

Local carpenter wages of $25.59 per hour fall below the national average of $29.58 per hour. Since labor represents about 60% of project costs, this creates a 0.92x cost adjustment, saving homeowners roughly 8% compared to national pricing despite Clay County's above-average home values.
Is a 3-season sunroom usable year-round in Clay County's climate?

Partially. With only 1,472 heating degree-days annually (well below the 3,700 national median), winter comfort is rarely an issue. However, the 2,758 cooling degree-days mean summers are intense. Without AC, a 3-season room needs excellent ventilation and shading to remain comfortable from May through September.
What financing options work best for a sunroom in this market?

With mortgage rates at 6.36% and median home values of $281,500 in Clay County, a home equity loan or HELOC often offers the best rates for larger projects. A typical $34,960 four-season sunroom financed over 10 years costs approximately $395 monthly. Screen enclosures at $8,280 average are small enough for contractor financing or credit cards.

SOURCES · 08

How these numbers were built.

Cost estimates are derived from government data including the U.S. Census Bureau (ACS), Bureau of Labor Statistics (OEWS), FEMA National Risk Index, EIA energy data, IECC climate zone classifications, Federal Reserve (FRED), and HUD Fair Market Rents.