Saint Louis, MO · 2026 cost guide
How much does new siding cost in Saint Louis?
In Saint Louis, new siding costs about $7,300–$20,500 in 2026 for about 1,500 sq ft of exterior wall, vinyl to fiber cement — roughly $4.59–$13.77 per square foot. That’s in line with the Missouri average.
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Saint Louis cost breakdown
| Saint Louis typical range | $7,300–$20,500 |
| Saint Louis per square foot | $4.59–$13.77 |
| Missouri state average | $7,200–$20,000 |
| Versus Missouri average | in line with average |
What’s different about Saint Louis
St. Louis has a deep contractor pool and older housing stock, with hail, wind, and humid summers shaping exterior durability and material choices.
- Impact-rated siding stands up to hail and severe wind.
- Moisture management and rot-resistant materials add cost in humid air.
How the cost is built
Siding cost is driven by wall area, material (vinyl is the budget option; engineered wood and fiber cement cost more), the number of stories, and trim around windows and doors. Tearing off old siding and repairing sheathing underneath adds to the total.
Frequently asked questions
How much does new siding cost in Saint Louis?
In Saint Louis, new siding costs about $7,300 to $20,500 in 2026 for about 1,500 sq ft of exterior wall, vinyl to fiber cement — roughly 4.59–13.77 per square foot. That's in line with the Missouri average, reflecting local labor and permit costs.
What affects the cost of new siding in Saint Louis?
St. Louis has a deep contractor pool and older housing stock, with hail, wind, and humid summers shaping exterior durability and material choices. Impact-rated siding stands up to hail and severe wind.
How can I get an accurate siding estimate in Saint Louis?
Use the free Siding Calculator to plug in your real measurements, then collect two or three local Saint Louis quotes to compare. Prices vary by neighborhood, access, and project complexity.
Siding cost in other Missouri metros
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Open calculator →The Saint Louis figure scales the Missouri cost range by a local metro index, then adjusts for the city’s labor market and climate. A 2026 planning estimate, not a quote — get local bids. See our methodology.