Run a free full auditMGR Real Estate of Ontario is a Commercial Real Estate Agent in Ontario, CA, located at 3800 Concours St. It operates as part of MGR Services Inc, a full-service firm specializing in commercial and residential real estate sales, leasing, and professional property management throughout Southern California. The business represents property owners and investors, handling assets that include commercial rental properties, single-family homes, apartment complexes, and homeowner associations. MGR holds a rating of 3.70 based on customer reviews.
Founded in 1983 by Michael G. Rademaker, the firm began with one office in Upland and has expanded to a headquarters in Ontario with additional locations in Carlsbad and the High Desert. The company manages and operates assets efficiently, delivering expert advice on a wide array of residential and commercial properties. Its team provides strategic management and proven results for clients seeking to buy, sell, list, or lease commercial real estate. The organization also offers a training program for residential agents seeking to expand into the commercial real estate sector.
The property management group utilizes a hands-on approach to ensure properties are operated efficiently and tenant satisfaction remains high. Senior staff members include Melissa Sheridan, who has managed a large portfolio of commercial properties since 2006, and Shelley Skaggs, a designated Certified Community Association Manager who joined the company in 2018. The firm serves counties including San Bernardino, Riverside, San Diego, Los Angeles, and Orange.
The business has served the Southern California region for over four decades, building a portfolio anchored in meeting client needs. It maintains an office in Ontario and has established a presence across multiple counties. The firm provides resources and professional assistance to help clients locate real estate opportunities.
MGR Real Estate of Ontario brings decades of commercial real estate expertise to its clients in Ontario, CA.
The office sits on Concours St, about a tenth of a mile from Inland Empire Boulevard and Toyota Arena. It is also located roughly a quarter mile from Platt College and the San Bernardino Freeway.
BizScoreAI reports a Technical score of 82 out of 100, which means the website is secure and readable for search engines. The Authority score is 75 out of 100, showing that the site clearly identifies the business to build trust with AI assistants and search engines.
BizScoreAI scanned the website mgrrealestate.com on July 19, 2026. MGR Real Estate of Ontario has a BizScore of 49 out of 100. The website audit behind the SEO score ran on October 31, 2026.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 21 of 30 points, AI Trust Signals 6 of 20 points.
Website audit sub-scores (out of 100): On-Page 68, Technical 75, Performance 69, Content 58.
Strengths: 4 checks passed. AI Crawler Access, AI Content Blocking, Q&A Content, About/Team Page.
Areas to improve: 13 checks. llms.txt (failed), FAQPage Schema (failed), Google Business Profile Link (failed), LocalBusiness Schema (failed), Third-Party Review Links (failed), Meta Description (failed), Organization Schema (warning), Speakable Schema (warning), Hyperlocal Targeting (warning), Local Multimedia (warning), AI-Parseable Headings (warning), XML Sitemap (warning), Author Signals (warning).
Browse: Businesses in Ontario, CA · Commercial Real Estate Agent in California · Businesses in California
Read by AI engines 1 time in the last 30 days.
Counted from AI crawler and assistant visits to this page, identified by user agent.
See the full AI visibility report for this business