Looking for a retaining wall contractor in Calais, ME? Describe your project once and up to three retaining wall contractors who work in Calais and Washington County get back to you with a quote. It's free and there is no obligation.
Calais is home to about 3,105 people (2024 Census Bureau estimate), a stable community (+0.7% since 2020). With 90 people per sq mi, it is a rural area. Sloped lots, terraced yards and driveways cut into hillsides keep local wall builders busy.
Calais at a glance
- Population (Census Bureau estimate, 2024)
- 3,105 (+0.7% since 2020)
- Rank in Maine
- 21st of 23 cities and towns
- Land area
- 34 sq mi
- Population density
- 90 people per sq mi (rural)
- Type
- City (Calais city)
- Main county
- Washington County
What to check before hiring in Calais
- Permit and engineer: in Maine, taller walls or walls with loads above usually need an engineered design and a permit.
- Drainage: ask how water behind the wall will be drained.
- Property line: a survey avoids building on the neighbor's land.
- Price drivers: height, length, material, access and drainage.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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Call 811
Official information and guidance.
Services available in Calais
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Retaining wall construction
Design and construction of a new retaining wall with drainage.
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Retaining wall repair or replacement
Assessment and repair or replacement of a leaning, bulging or cracked wall.
Frequently asked questions in Calais
How much does a retaining wall cost in Calais, ME?
It depends on height, length, material and access. Describe your project: contractors who serve Calais reply with a quote.
How long does it take?
A small wall can take a few days; engineered walls take longer with permits.
Can a failing wall be repaired?
Sometimes; often a leaning wall must be rebuilt with proper drainage.
Which retaining wall contractors will contact me?
Up to three independent retaining wall contractors who serve Calais and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.