Wood & Fiberglass Window Replacement cost: Kansas City vs O'Fallon (2026)
In 2026, wood and fiberglass window replacement is about 2% more expensive in Kansas City than in O'Fallon. Most homeowners pay around $17,650 in Kansas City versus $17,350 in O'Fallon — a gap of roughly $300.
Kansas City MO
Typically around $17,650
O'Fallon MO
Lower costTypically around $17,350
Kansas City vs O'Fallon: full breakdown
| Factor | Kansas City | O'Fallon |
|---|---|---|
| Typical 2026 cost | $17,650 | $17,350 |
| Estimated range | $10,100–$25,150 | $9,950–$24,700 |
| Labor index (vs US) | ×1 | ×0.98 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $100 | $125 |
| Labor share | $9,700 | $9,550 |
| Materials/equipment | $7,950 | $7,800 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national wood and fiberglass window replacement range for local labor, climate and permits.
Kansas City vs O'Fallon
Is wood and fiberglass window replacement cheaper in Kansas City or O'Fallon?
In 2026, wood and fiberglass window replacement is cheaper in O'Fallon at about $17,350, versus $17,650 in Kansas City — a difference of about $300 (2%).
Why does wood and fiberglass window replacement cost more in Kansas City than O'Fallon?
The main driver is local labor rates: Kansas City's labor index is 1 versus 0.98 in O'Fallon. Climate zone (mixed vs mixed) and permit fees also shift the total.
How much is wood and fiberglass window replacement in Kansas City, MO?
In Kansas City, wood and fiberglass window replacement typically runs $10,100–$25,150 in 2026, with most homeowners paying around $17,650.
Updated June 2026 · By Costadia Editorial