How much does it cost to replace one window in St. Johns County?

A single double-hung window replacement costs $275 to $1,090 in St. Johns County, with an average of $635 installed. This reflects the local 0.91x services adjustment applied to national averages, resulting from glazier wages of $24.33/hour in the Jacksonville metro area.

Are hurricane-impact windows worth the extra cost in St. Johns County?

With a FEMA hurricane risk score of 93.70 (Relatively High) and coastal flood risk at 89.00, impact-resistant windows provide practical protection. They add $150-$400 per window but may qualify for insurance premium discounts of 5-15%, helping offset the upgrade cost over time.

What type of windows work best for Florida's hot, humid climate?

For IECC Zone 2A's cooling-dominated climate (2,758 CDD annually), choose windows with low solar heat gain coefficients (SHGC below 0.25) and low-E coatings. Vinyl or fiberglass frames perform better than aluminum and resist humidity damage better than wood.

How much can new windows save on energy bills in St. Johns County?

With Florida electricity at $0.158/kWh and high cooling demands, upgrading from old windows to modern low-E double-pane units can reduce cooling costs by 10-25%. For homes near the county's $457,600 median value, this translates to $150-$400 in annual savings.

How many window installers work in the St. Johns County area?

The Jacksonville metro area employs approximately 260 glaziers according to 2025 BLS data. This provides reasonable contractor availability, though scheduling during peak hurricane season preparation (May through June) may require advance booking.

What financing options exist for window replacement projects?

Options include home equity loans leveraging the county's $457,600 median home value, manufacturer 0% promotional financing (12-24 months), PACE financing attached to property taxes, and personal loans. Current 30-year mortgage rates sit at 6.36% for comparison.

Should I replace all windows at once or one at a time?

Full-home replacement (10 windows at $4,550-$13,650) offers economies of scale, as contractors complete work more efficiently in a single visit. Individual replacements at $275-$1,090 each suit damage repairs or tight budgets, but per-window costs run higher due to minimum trip charges.

REGIONAL COST GUIDE · St Johns County, FL

How Much Does Window Replacement Cost in St. Johns County, FL?

Window replacement in St. Johns County, FL averages $635 per window. Get local pricing, labor rates, and hurricane-impact options for 2026.

Cost range $275 – $1,090

Average $635

Updated July 9, 2026

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COST BREAKDOWN

What homeowners in St Johns County actually pay.

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

Single Window (double-hung)

$275 Avg: $635 $1,090

Full Home (10 windows)

$4,550 Avg: $7,735 $13,650

Bay / Bow Window

$1,365 Avg: $2,275 $3,640

National avg $700 × 0.91x local adjustment = $637, rounded to $635

REGIONAL COST SNAPSHOT

The St Johns County numbers, card by card.

Local cost, labor, and climate-risk data for St Johns County, FL — the same cards we publish to social, built from federal datasets.

Window Replacement in St Johns County, FL — regional cost snapshot

Window Replacement in St Johns County, FL — typical local cost range

Window Replacement in St Johns County, FL — local labor market data

Window Replacement in St Johns County, FL — climate and hazard risk factors

St Johns County, FL Enter the local Window Replacement marketplace. Get Free Quotes

Why St Johns County prices look like this.

Compared to national averages, window replacement in St. Johns County runs about 9% lower due to regional labor rates. A single double-hung window costs $275 to $1,090, with most homeowners paying around $635 installed. Full-home projects covering 10 windows range from $4,550 to $13,650, averaging $7,735. These figures reflect the local services adjustment factor of 0.91x applied to national pricing benchmarks. St. Johns County's median home value of $457,600 places it in a premium housing market at 2.66x the national average. This strong property market means many residents invest in quality window upgrades to protect home values. Hurricane-impact windows remain especially popular given coastal exposure and storm frequency. Whether replacing a single damaged unit or upgrading an entire home, collecting multiple quotes from licensed contractors ensures competitive pricing for your project.

Labor Costs and Contractor Availability

Window installation labor in St. Johns County reflects Jacksonville metro area wage standards. Glaziers earn an average of $24.33 per hour ($50,610 annually) according to 2025 Bureau of Labor Statistics data. The metro employs approximately 260 glaziers, providing reasonable contractor availability for residential projects. Labor accounts for roughly 30-40% of total window replacement expenses. A standard double-hung installation requires 1-2 hours per window, translating to $25-$50 in direct labor per unit. Complex installations (bay windows, custom sizes, or structural modifications) demand additional time and specialized skills. The 0.91x local services adjustment reflects these wages running below the national glazier average of $28.70 per hour. This difference creates modest savings for St. Johns County homeowners compared to higher-wage markets in the Northeast or West Coast.

Hurricane and Storm Considerations

St. Johns County faces significant storm exposure that directly affects window replacement decisions. The county's FEMA National Risk Index hurricane score of 93.70 (Relatively High) makes impact-resistant windows a practical investment rather than a luxury. Coastal flooding risk scores 89.00 (Relatively High), while lightning registers 92.21 (Relatively High). Impact-rated windows meeting Florida Building Code standards add $150-$400 per window compared to standard options. Many insurers offer premium discounts of 5-15% for homes with hurricane-impact windows throughout, potentially offsetting upgrade costs over time. Tornado risk at 85.40 and inland flooding at 89.41 (both Relatively Moderate) reinforce the case for durable glazing options. Hail risk remains minimal at 7.51 (Very Low), so heavy-duty hail ratings are less critical here than in Midwestern states. Winter weather risk is effectively zero, eliminating concerns about freeze-thaw damage to window seals.

Climate Zone and Energy Performance

St. Johns County falls within IECC Climate Zone 2A (hot-humid), part of the DOE's Southeast HVAC region. With only 1,472 heating degree-days annually (60% below the national median of 3,700 HDD) and 2,758 cooling degree-days, cooling loads dominate energy planning. Air conditioning runs heavily from May through October. This cooling-dominated profile makes window selection critical for energy bills. Low-E coatings with low solar heat gain coefficients (SHGC below 0.25) reduce AC workloads by blocking solar radiation. Vinyl and fiberglass frames outperform aluminum in thermal performance while resisting the humidity that promotes wood rot. The high CDD count means windows represent a major source of heat gain during summer months. Properly sized replacement windows with Energy Star ratings for the Southern climate zone can reduce cooling costs noticeably. Specular coatings and tinted glazing options further reduce solar heat transmission through glass surfaces.

Energy Savings and Utility Impact

Florida electricity rates averaged $0.158 per kWh as of February 2026, running above the national average of roughly $0.13/kWh. Combined with 2,758 annual cooling degree-days, St. Johns County homeowners face substantial summer utility bills, making energy-efficient windows a sound investment. Replacing single-pane or aging double-pane windows with modern low-E units reduces cooling costs by 10-25% depending on existing window condition and home size. For a median-value home in this area, upgrades could translate to $150-$400 in annual savings. The county's strong solar resource (5.46 kWh/m²/day peak sun hours) makes solar-ready planning relevant during window projects. If you're considering future solar panel installation, coordinating window and roof work can reduce total project costs. Energy-efficient windows also improve home comfort by reducing hot spots near glass surfaces during afternoon sun exposure.

Financing Your Window Project

Current mortgage rates at 6.36% (30-year fixed as of May 2026) affect financing options for major home improvements. Home equity loans and HELOCs offer lower rates than unsecured personal loans, leveraging the median home value of $457,600 that characterizes St. Johns County properties. Many window manufacturers offer 0% promotional financing for 12-24 months on qualifying purchases. These programs work well for homeowners who can pay off the balance before promotional periods end. Property-assessed clean energy (PACE) financing provides another option, attaching repayment to property tax bills rather than personal credit. Average property taxes of $3,547 annually suggest moderate carrying costs, leaving room for improvement financing in most household budgets. Federal energy efficiency tax credits may apply to qualifying Energy Star windows, though specific credits vary by year. Check current IRS guidance before factoring tax benefits into your project budget.

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FREQUENTLY ASKED · 07

Questions buyers ask about window replacement in St Johns County.

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

How much does it cost to replace one window in St. Johns County?

A single double-hung window replacement costs $275 to $1,090 in St. Johns County, with an average of $635 installed. This reflects the local 0.91x services adjustment applied to national averages, resulting from glazier wages of $24.33/hour in the Jacksonville metro area.
Are hurricane-impact windows worth the extra cost in St. Johns County?

With a FEMA hurricane risk score of 93.70 (Relatively High) and coastal flood risk at 89.00, impact-resistant windows provide practical protection. They add $150-$400 per window but may qualify for insurance premium discounts of 5-15%, helping offset the upgrade cost over time.
What type of windows work best for Florida's hot, humid climate?

For IECC Zone 2A's cooling-dominated climate (2,758 CDD annually), choose windows with low solar heat gain coefficients (SHGC below 0.25) and low-E coatings. Vinyl or fiberglass frames perform better than aluminum and resist humidity damage better than wood.
How much can new windows save on energy bills in St. Johns County?

With Florida electricity at $0.158/kWh and high cooling demands, upgrading from old windows to modern low-E double-pane units can reduce cooling costs by 10-25%. For homes near the county's $457,600 median value, this translates to $150-$400 in annual savings.
How many window installers work in the St. Johns County area?

The Jacksonville metro area employs approximately 260 glaziers according to 2025 BLS data. This provides reasonable contractor availability, though scheduling during peak hurricane season preparation (May through June) may require advance booking.
What financing options exist for window replacement projects?

Options include home equity loans leveraging the county's $457,600 median home value, manufacturer 0% promotional financing (12-24 months), PACE financing attached to property taxes, and personal loans. Current 30-year mortgage rates sit at 6.36% for comparison.
Should I replace all windows at once or one at a time?

Full-home replacement (10 windows at $4,550-$13,650) offers economies of scale, as contractors complete work more efficiently in a single visit. Individual replacements at $275-$1,090 each suit damage repairs or tight budgets, but per-window costs run higher due to minimum trip charges.

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.

How Much Does Window Replacement Cost in St. Johns County, FL?

What homeowners in St Johns County actually pay.

The St Johns County numbers, card by card.

Why St Johns County prices look like this.

Labor Costs and Contractor Availability

Hurricane and Storm Considerations

Climate Zone and Energy Performance

Energy Savings and Utility Impact

Financing Your Window Project

Compare Window Replacement quotes in St Johns County, FL.

Find Local Window Replacement Providers Near You

Ready to Compare Rates?

Questions buyers ask about window replacement in St Johns County.

How much does it cost to replace one window in St. Johns County?

Are hurricane-impact windows worth the extra cost in St. Johns County?

What type of windows work best for Florida's hot, humid climate?

How much can new windows save on energy bills in St. Johns County?

How many window installers work in the St. Johns County area?

What financing options exist for window replacement projects?

Should I replace all windows at once or one at a time?

How these numbers were built.

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