Looking for a home inspector in Washington, IL? Describe your project once and up to three licensed home inspectors who work in Washington and Tazewell County get back to you with a quote. It's free and there is no obligation.
Washington is home to about 15,857 people (2024 Census Bureau estimate), a shrinking community (−1.5% since 2020). With 1,854 people per sq mi, it is a suburban area. Buyers here usually have a short inspection period, so booking a local inspector quickly matters.
Washington at a glance
- Population (Census Bureau estimate, 2024)
- 15,857 (−1.5% since 2020)
- Rank in Illinois
- 158th of 1,294 cities and towns
- Land area
- 8.6 sq mi
- Population density
- 1,854 people per sq mi (suburban)
- Type
- City (Washington city)
- Main county
- Tazewell County
What to check before hiring in Washington
- License: in Illinois, check whether home inspectors are licensed by the state and ask for the number.
- Add-ons: ask about radon, sewer scope, termite (WDO) or septic inspections in the same visit.
- Price drivers: size and age of the home, crawl space or attic access, and add-ons.
- Report: ask for a sample report before you book.
Useful official resources
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ASHI: American Society of Home Inspectors
Official information and guidance.
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InterNACHI
Official information and guidance.
Services available in Washington
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Home inspection for a purchase
General inspection of the home during the buyer's inspection period, with a written report.
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Pre-listing inspection
Inspection ordered by the seller before listing, to fix or disclose issues early.
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New construction or warranty inspection
Phase inspections during construction or before the builder's one-year warranty ends.
Frequently asked questions in Washington
How much does a home inspection cost in Washington, IL?
It depends on the size and age of the home and the add-ons. Describe the home: inspectors who serve Washington reply with a quote.
How long does it take?
Often two to four hours on site, with the report within a day or two.
Can I attend the inspection?
Yes, and it is recommended: the inspector can show you what they found.
Which licensed home inspectors will contact me?
Up to three independent licensed home inspectors who serve Washington 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.