Looking for a special inspection agency in Astoria, SD? Describe your project once and up to three special inspection agencies who work in Astoria and Deuel County get back to you with a quote. It's free and there is no obligation.
Astoria is home to about 130 people (2024 Census Bureau estimate), a shrinking community (−3.0% since 2020). With 827 people per sq mi, it is a semi-rural area. Commercial and multifamily projects here require special inspections for structural work.
Astoria at a glance
- Population (Census Bureau estimate, 2024)
- 130 (−3.0% since 2020)
- Rank in South Dakota
- 206th of 310 cities and towns
- Land area
- 0.2 sq mi
- Population density
- 827 people per sq mi (semi-rural)
- Type
- Town (Astoria town)
- Main county
- Deuel County
What to check before hiring in Astoria
- Statement: the building official approves the statement of special inspections.
- Independence: in South Dakota, the owner usually hires the agency.
- Certifications: ask for ICC, ACI or AWS credentials.
- Price drivers: scope, site visits, lab tests and reports.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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ACI: American Concrete Institute
Official information and guidance.
Services available in Astoria
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Special inspections and testing
IBC chapter 17 special inspections and materials testing for a construction project.
Frequently asked questions in Astoria
How much do special inspections cost in Astoria, SD?
It depends on the scope, visits and tests. Describe your project: agencies who serve Astoria reply with a proposal.
How fast can inspectors come on site?
Many agencies offer next-day scheduling.
Do they test materials too?
Most agencies run a materials lab for concrete, soils and steel.
Which special inspection agencies will contact me?
Up to three independent special inspection agencies who serve Astoria 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.