Vinyl Window Replacement cost: Gaithersburg vs Rockville (2026)
In 2026, Gaithersburg and Rockville land on nearly identical vinyl window replacement pricing — about $10,500 either way.
Gaithersburg MD
Typically around $10,500
Rockville MD
Typically around $10,500
Gaithersburg vs Rockville: full breakdown
| Factor | Gaithersburg | Rockville |
|---|---|---|
| Typical 2026 cost | $10,500 | $10,500 |
| Estimated range | $5,300–$15,700 | $5,300–$15,700 |
| Labor index (vs US) | ×1.04 | ×1.04 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $5,800 | $5,800 |
| Materials/equipment | $4,700 | $4,700 |
These are 2026 planning figures for vinyl window replacement, localized to each city — not formal quotes.
Basically a tie — focus on the contractor
This is a statistical tie on vinyl window replacement cost, so let contractor reputation and project timing decide, not geography.
Vinyl window replacement by type: Gaithersburg vs Rockville
Each vinyl window replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Gaithersburg | Rockville |
|---|---|---|
| Double-hung | $5,300–$12,600 | $5,300–$12,600 |
| Sliding | $4,800–$11,550 | $4,800–$11,550 |
| Casement | $6,350–$14,700 | $6,350–$14,700 |
| Picture | $6,900–$14,700 | $6,900–$14,700 |
| Bay / bow | $9,500–$18,850 | $9,500–$18,850 |
All figures are 2026 localized planning estimates for vinyl window replacement — get an actual quote before you commit.
Vinyl window replacement by number of windows: Gaithersburg vs Rockville
Vinyl window replacement is priced per window — figure roughly $450–$1,000 each installed for standard double-hung units, including labor and disposal. Cost scales almost linearly with the number of openings you replace at once.
| Size | Gaithersburg | Rockville |
|---|---|---|
| 5 windows | $2,700–$5,300 | $2,700–$5,300 |
| 10 windows | $5,300–$10,000 | $5,300–$10,000 |
| 15 windows | $7,900–$14,700 | $7,900–$14,700 |
| 20 windows | $10,500–$18,850 | $10,500–$18,850 |
| 25+ windows (whole home) | $13,100–$23,000 | $13,100–$23,000 |
Vinyl window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
What windows pros earn in each metro
Labor is about 55% of a vinyl window replacement bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.
Philadelphia-Camden-Wilmington metro · about 7% above the US average installer wage.
Philadelphia-Camden-Wilmington metro · about 7% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for vinyl window replacement in either city
Window installers slow down in cold months and manufacturers run their deepest promotions in fall and winter, so off-season buyers catch both labor discounts and rebates.
How much should new windows really cost you?
Frame material, glass package and install type decide the price. Our editors on what's worth paying for.
The value case
Double-pane, low-E vinyl is the workhorse spec for a reason: it handles the vast majority of drafts and heat loss without the price jump of premium materials. When you're replacing every window at once and watching the total, it's the default that leaves the least on the table.
The install case
A perfect window installed badly leaks and fails. Full-frame replacement with proper flashing beats a cheap pocket insert in a rotted opening — match the install method to your home's condition, not just the price.
The efficiency case
Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.
Buy the glass package your climate needs, default to vinyl frames unless you have a reason not to, and never let install quality be the thing you cut to hit a number.
Gaithersburg vs Rockville
Is vinyl window replacement cheaper in Gaithersburg or Rockville?
There's no meaningful difference: vinyl window replacement runs about $10,500 in both places.
Why does vinyl window replacement cost more in Rockville than Gaithersburg?
Labor rates explain most of it — 1.04 in Rockville vs 1.04 in Gaithersburg. A mixed climate versus mixed accounts for the rest.
How much is vinyl window replacement in Gaithersburg, MD?
Gaithersburg homeowners can expect $5,300 to $15,700 for vinyl window replacement in 2026, with $10,500 the typical number.
Do windows pros really charge more in one city?
It's not a myth — BLS data puts installer wages at about $33.4/hr in the Philadelphia-Camden-Wilmington area and $33.4/hr in Philadelphia-Camden-Wilmington. Given labor is around 55% of a vinyl window replacement job's cost, that gap explains most of the price spread.
When is the cheapest time to buy vinyl window replacement — and does it differ by city?
It doesn't vary by location — Late fall and winter is the discount window in both Gaithersburg and Rockville (roughly 5–15% off), while spring and summer peak tends to be the most expensive in either city.
Should I choose where to live based on vinyl window replacement cost?
No — the cost is essentially identical between Gaithersburg and Rockville. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare vinyl window replacement in other cities
Updated June 2026 · By Serhat Özçelik