Historic Building

The Old Collin County Courthouse Served the County from 1876 to 1979

The 1876 Collin County Courthouse in McKinney is a Texas Historical Commission landmark — it was built from local stone and renovated significantly in the 1920s.

Collin County History & Culture

The courthouse was completed in 1876 on the 100 block of North Tennessee Avenue in downtown McKinney. It was built from stone quarried locally and designed by Sherman architect Charles Wheelock. The building served as the county courthouse until 1979.

In 1926 and 1927 the building underwent major changes under architect W.A. Peters: a basement and third floor were added, and floor levels were modified. The Texas Historical Commission recognizes the site on its Atlas of Texas Historical Sites. Today it stands as part of McKinney's historic downtown area.

Source to confirm: THC Atlas – Old Collin County Courthouse (Atlas No. 5085000948)

More Collin County notes

Property Tax Relief

How the Homestead Exemption Lowers Your Property Tax Bill

If you own and live in your home in Collin County, you can apply for a homestead exemption that removes part of your home's value from the tax calculation.

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Property Tax Basics

Two Offices Handle Property Taxes in Collin County

Two separate offices deal with your property taxes. One sets your home's value. The other sends your bill and collects payment.

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Agricultural Appraisal

Land Used for Farming Can Be Taxed at a Much Lower Rate

Texas law lets land used for farming be taxed on its farming value, not its full market value. This can sharply lower the tax bill.

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Special Districts

Many New Subdivisions Have an Extra Tax Line for a MUD or PID

Many new neighborhoods in Collin County have an extra charge on top of regular property taxes. It pays for water lines, roads, and parks built by the developer.

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