Wood & Fiberglass Window Replacement cost: Annapolis vs Gaithersburg (2026)
Annapolis runs 1% higher than Gaithersburg for wood and fiberglass window replacement — expect around $18,500 in Annapolis against $18,300 in Gaithersburg, a difference of about $200.
Annapolis MD
Typically around $18,500
Gaithersburg MD
Lower costTypically around $18,300
Annapolis vs Gaithersburg: full breakdown
| Factor | Annapolis | Gaithersburg |
|---|---|---|
| Typical 2026 cost | $18,500 | $18,300 |
| Estimated range | $10,600–$26,350 | $10,500–$26,100 |
| Labor index (vs US) | ×1.05 | ×1.04 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $10,200 | $10,050 |
| Materials/equipment | $8,300 | $8,250 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Is the gap worth worrying about?
At 1%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for wood and fiberglass window replacement — focus on the contractor, not the city.
Wood and fiberglass window replacement by type: Annapolis vs Gaithersburg
Each wood and fiberglass 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 | Annapolis | Gaithersburg |
|---|---|---|
| Fiberglass | $10,600–$23,200 | $10,500–$23,000 |
| Composite | $11,650–$24,250 | $11,550–$24,050 |
| Aluminum-clad wood | $13,750–$28,450 | $13,650–$28,200 |
| Solid wood | $14,800–$31,600 | $14,700–$31,300 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
Wood and fiberglass window replacement by number of windows: Annapolis vs Gaithersburg
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| Size | Annapolis | Gaithersburg |
|---|---|---|
| 5 windows | $4,850–$11,650 | $4,800–$11,550 |
| 10 windows | $9,550–$21,100 | $9,500–$20,900 |
| 15 windows | $14,300–$29,500 | $14,150–$29,250 |
| 20 windows | $19,000–$37,850 | $18,850–$37,550 |
| 25+ windows (whole home) | $23,200–$47,300 | $23,000–$46,900 |
All figures are 2026 localized planning estimates for wood and fiberglass window replacement — get an actual quote before you commit.
What windows pros earn in each metro
Roughly 55% of what you pay for wood and fiberglass window replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Baltimore-Columbia-Towson metro · about 9% 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 wood and fiberglass window replacement in either city
Two things line up in fall and winter: installers have open calendars and need the work, and manufacturers run their best promotions of the year. Buy then and you get both breaks at once.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
The efficiency case
Where winters bite or summers punish, upgrading the glazing — triple-pane or a gas-filled low-E package — returns real money on heating and cooling bills, and ENERGY STAR-rated units can open the door to rebates. Put that upgrade money into the glass before you spend it on a fancier frame.
The install case
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
The value case
For a whole-home replacement on a fixed budget, vinyl frames with double-pane low-E glass capture nearly all the comfort and efficiency gains at the lowest entry point. Stepping up to fiberglass or triple glazing buys diminishing returns most homeowners never actually notice.
Windows reward homeowners who spend deliberately: glass tuned to the climate, a vinyl frame by default, and an installer who won't skip flashing. Trim the frame line before you touch either of the other two.
Annapolis vs Gaithersburg
Is wood and fiberglass window replacement cheaper in Annapolis or Gaithersburg?
Gaithersburg wins on price: wood and fiberglass window replacement runs about $18,300 there versus $18,500 in Annapolis, a gap of roughly $200 (1%) as of 2026.
Why does wood and fiberglass window replacement cost more in Annapolis than Gaithersburg?
The main driver is local labor rates: Annapolis's labor index is 1.05 versus 1.04 in Gaithersburg. Climate zone (mixed vs mixed) also shift the total.
How much is wood and fiberglass window replacement in Annapolis, MD?
In Annapolis, wood and fiberglass window replacement typically runs $10,600–$26,350 in 2026, with most homeowners paying around $18,500.
Do windows pros really charge more in one city?
Real wage data backs this up — skilled installers earn roughly $33.9/hr in Baltimore-Columbia-Towson compared with $33.4/hr in Philadelphia-Camden-Wilmington (BLS OEWS). Labor is about 55% of a wood and fiberglass window replacement job, so that wage gap is what mostly drives the price difference.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
It doesn't vary by location — Late fall and winter is the discount window in both Annapolis and Gaithersburg (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 wood and fiberglass window replacement cost?
Not really — the $200 gap is one-time, and smart timing and tighter quotes in Annapolis can shrink it. Factors that compound over time, like energy prices and home condition, deserve more weight than a single upfront difference.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik