Looking for a retaining wall contractor in Sunnyside, WA? Describe your project once and up to three retaining wall contractors who work in Sunnyside and Yakima County get back to you with a quote. It's free and there is no obligation.
Sunnyside is home to about 16,317 people (2024 Census Bureau estimate), a stable community (−0.4% since 2020). With 2,161 people per sq mi, it is a suburban area. Sloped lots, terraced yards and driveways cut into hillsides keep local wall builders busy.
Sunnyside at a glance
- Population (Census Bureau estimate, 2024)
- 16,317 (−0.4% since 2020)
- Rank in Washington
- 68th of 281 cities and towns
- Land area
- 7.6 sq mi
- Population density
- 2,161 people per sq mi (suburban)
- Type
- City (Sunnyside city)
- Main county
- Yakima County
What to check before hiring in Sunnyside
- Permit and engineer: in Washington, 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 Sunnyside
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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 Sunnyside
How much does a retaining wall cost in Sunnyside, WA?
It depends on height, length, material and access. Describe your project: contractors who serve Sunnyside 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 Sunnyside 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.