How much does window replacement cost in Houston?
ZIP 19954 · Kent County · Delaware · Data updated May 2026
Window Replacement costs in Houston are close to the national average, though local labor runs a bit below the US median.
It's also a strong investment in Houston. Homeowners here get solid equity back at resale, making this one of the easier projects to justify financially. November is slow season, so contractors are available and more open to negotiating.
Local Cost Estimate
$12,456 - $16,853
-12% seasonal adjustment (Low season) · Base: $14,155 - $19,151
Strong ROI
Equity Gain
$13,755
Added at resale
+4% of home value
Good time to move forward
Strong ROI and off-season pricing. Rates are lower and contractors have open slots.
On this page
- National average
- $17,640
- Local cost index
- 0.94×
- Delaware median
- ROI score
- 94/100
- Lead time
- ~2.5 weeks
- Low
Built from Zillow ZHVI home values, BLS construction wages (May 2024), Cost vs. Value 2026 benchmarks, and US Census housing data · how this estimate is made
How We Calculate Houston Window Replacement Cost Estimates
What's driving the cost
Labor
$6,704
40% of total
Materials
$9,949
60% of total
Construction labor in Kent County is 5% below the US median (BLS OEWS, May 2024).
Over 20 years: approx. $733/yr
Best Time to Book Window Replacement in Houston, Delaware ( November 2026)
Low SeasonLead time now
~2.5
weeks
Season adjustment
-12%
vs annual avg
November is slow season for window replacement in this climate. Lead times drop to about 2.5 weeks, and you're looking at around 12% below peak-season rates.
💡 Good time to book. Pricing is lower and contractors have open slots.
Window Replacement Cost by ZIP Code in Kent County, Delaware
Same project scope. Costs vary by ZIP based on local labor markets and home values.
Window Replacement Costs in Delaware, Delaware
Delaware's remodeling market runs close to the national average on labor, with Wilmington and Dover as the primary markets. The state's small size means contractor supply is shared with the larger Philadelphia and Baltimore metro markets, keeping pricing competitive. A mixed four-season climate with humid summers and cold winters creates year-round demand across project categories. Delaware's lack of a state sales tax provides a modest material cost advantage.
Window Replacement in this region
Window replacement recoups 83% at resale. Delaware's mixed climate creates genuine dual-season energy savings on efficient windows — cold winters drive heating cost reductions, humid summers benefit from solar heat gain rejection. Wilmington buyers responding to inspection reports increasingly flag older single-pane windows as immediate replacement items.
Window Replacement: Scope, Decisions & Permit Requirements in Delaware
Scope of work
Window replacement means removing the existing unit, inspecting and repairing the rough opening and sill, installing the new window with proper flashing tape and sealant, then trimming inside and out. Full-frame replacements (removing the entire frame) cost more but address underlying rot and are code-required if the frame is deteriorated. In Houston's humid climate, inspect the rough opening carefully before signing off. Moisture migration around windows in southern climates frequently causes hidden rot that adds unexpected remediation cost.
Key decisions
Double-pane is standard. Triple-pane adds R-value but rarely pencils out in warmer climates. Vinyl frames are the most popular choice, low maintenance and well-insulated. Fiberglass outperforms vinyl in extreme temperature swings. Energy Star certified windows qualify for a 30% federal tax credit (up to $600/year). In Houston's climate, low-solar-gain glass (SHGC below 0.25) meaningfully reduces cooling load during long summers. This matters more than frame choice in hot-humid markets.
Timing & permits
A full house of replacement windows typically gets installed in one to two days. No permit is usually required for like-for-like replacements. In Houston, most installs happen without timing issues year-round. If you're replacing a significant number of windows, scheduling in the fall gives you more contractor availability as spring renovation demand cools off.
Complete guide
Everything you need to know about window replacement: materials, hiring, red flags, and what to expect.
How We Calculate Houston Window Replacement Cost Estimates
Step 1
National benchmark
We start with the national average cost for window replacement from the Remodeling Magazine Cost vs. Value report. Base cost: $17,640.
Step 2
Local cost index
We apply a ZIP-level cost multiplier. Labor is derived from BLS construction wage data by metro area; materials from Zillow home value data. Houston's effective multiplier is 0.94× the Delaware median.
Step 3
Regional ROI
The Cost vs. Value report shows that window replacement recoups 83% of its cost at resale in this US Census region. That's an equity gain of $13,755, not counting seasonal adjustment.
Step 4
Seasonal adjustment
November is low season for window replacement in mixed-climate markets. Demand is running -12% vs. the annual average. Base $14,155 - $19,151 → $12,456 - $16,853.
Base estimate
$14,155 - $19,151
Low season
$12,456 - $16,853
All estimates carry a ±15% range to reflect real-world contractor variance in labor, materials, and project scope. Always get 2-3 quotes before committing.
Is a window replacement worth it in Houston?
Strong ROIWith an ROI score of 94/100, a window replacement in Houston recoups an estimated $13,755 at resale. It's a real improvement to how the house looks and feels, and that shows up in the sale price.
You invest
$14,655
Recouped at resale
$13,755
Cost per year
$733
over 20 yrs
Finding Window Replacement contractors in Houston
When you're getting quotes in the 19954 area, expect labor rates to reflect the 0.94× local cost index. Labor rates in Houston are on the competitive side for Delaware. Always verify your contractor is licensed to work in Kent County and ask whether your project scope requires local building permits.
Median home value in Houston: $346,951. This project adds 4% to your home's value.
More cost estimates for 19954
Frequently Asked Questions
How much does a window replacement cost in Houston, DE?
Based on 2026 data, a window replacement in Houston (19954) currently runs $12,456 - $16,853, which includes a -12% seasonal factor for November (Low season). Without that, the base range is $14,155 - $19,151. That's using a 0.94× local cost index applied to the national benchmark from the Remodeling Magazine Cost vs. Value report.
Is a window replacement worth it in Houston?
With an ROI score of 83/100, a window replacement in Houston is expected to add about $13,755 back at resale. A lot of that depends on Kent County's local market, where median home values sit at $346,951.
How do Houston remodeling costs compare to the rest of Delaware?
Houston remodeling costs are running at 94% of the Delaware state median. Local home values of $346,951 are the main driver. Higher home values generally track with higher local wages and material costs.
Can I get a tax credit for new windows?
Yes. Energy Star certified windows qualify for the federal Energy Efficient Home Improvement Credit: 30% of the window cost, up to $600 per year. Ask your contractor to provide Energy Star certification documentation for your tax filing. The credit applies to the product cost, not installation labor.
How many windows can be replaced in a day?
An experienced crew typically replaces 10-15 standard windows per day using insert replacement (keeping the existing frame intact). Full-frame replacements are slower, expect 5-8 per day. For a typical home with 15-20 windows, plan for 1-2 days of work plus any interior trim painting afterward.
What's the best window glass for reducing cooling costs in Houston?
Low solar heat gain coefficient (SHGC) glass is the spec to prioritize in Houston's climate. Look for SHGC below 0.25. This rating measures how much radiant solar heat passes through the glass. Combined with a low-e coating, this spec can reduce solar heat gain by 60-70% versus standard double-pane.
You have the numbers. Now get the quotes.
Most homeowners go into contractor conversations blind. You know what window replacement should cost in Houston, what drives the price, and whether now is a good time to move. Use that.