Ontario United Reformed Church

Riverside, California

Ontario United Reformed Church is a Reformed congregation located in Ontario, California, celebrating over 90 years of ministry since its organization on October 31, 1928. Originally founded with a commitment to Dutch Reformed tradition, the church has evolved into a diverse family united in Christ by faith. The church is affiliated with the United Reformed Churches in North America (URCNA) federation. Services emphasize biblical teaching rooted in historic Protestant Reformed tradition, including the Five Solas of the Reformation. A Spanish-language outreach ministry (elmesiasontario.com) began in 2006 and continues as an integral part of the church's mission to reach neighbors in Ontario.

Address

205 E Philadelphia St, Ontario, CA 91761

Denomination

Reformed

Phone

909-986-9889

Services

Worship

Sun10:00 AM, 5:30 PM

Other

Sun11:30 AM

Ministries

Sunday School

Sun11:30 AM

Languages

English, Spanish

Last updated August 2026

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Map showing location of Ontario United Reformed Church

200-500

estimated members

This is likely one of 11 Reformed congregations in San Bernardino County, CA. Reformed accounts for 0% of the county's 1,217 congregations.

This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.

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