Run a free full auditThe Plaza at 1901 Main is a business park in Columbia, SC, located at 1901 Main St. It holds a rating of 4.70 based on 6 reviews.
This 17-story Class A office complex anchors an entire city block at the north end of downtown Columbia. The 303,156-square-foot building features polished granite, marble, stainless steel, and mahogany appointments. It offers panoramic views of the city and is situated near the State House, the University of SC, and the Vista Arts & Entertainment District.
Amenities include six passenger elevators with flat-panel television monitors and a card reader system for after-hours and weekend access. The property features an on-site parking garage connected to the building via a covered walkway, monitored by a state-of-the-art security surveillance system and 24/7 on-site security personnel. The complex is an Official Bike Friendly Business recognized by The League of American Bicyclists and uses a green janitorial company for common areas and suites. Tenants have access to cultivated and manicured outdoor spaces maintained by a groundskeeping team.
The location provides convenient access to major interstates, including I-26, I-77, and I-20. It is also in close proximity to state and federal courthouses and the growing Main Street and North Main Street corridors.
The Schema & Structure score is 100 out of 100, which measures whether the website carries structured data and clear headings for AI assistants and search engines. This strength is credited to SEOScanPRO. The Performance score is 89 out of 100, measuring how quickly the website loads to keep visitors on the page. This metric is also credited to SEOScanPRO.
BizScoreAI scanned the website 1901main.com on June 16, 2026. The Plaza at 1901 Main has a BizScore of 41 out of 100. The website audit behind the SEO score ran on October 26, 2026.
AI visibility scan by category: AI Discovery 0 of 25 points, Structured Data 0 of 25 points, Content Readiness 15 of 30 points, AI Trust Signals 2 of 20 points.
Website audit sub-scores (out of 100): On-Page 73, Technical 49, Performance 91, Content 33.
Strengths: 2 checks passed. AI Content Blocking, AI-Parseable Headings.
Areas to improve: 7 checks. llms.txt (failed), Structured Data (failed), Q&A Content (warning), Meta Description (warning), About/Team Page (warning), XML Sitemap (warning), Author Signals (warning).
Browse: Businesses in Columbia, SC · Businesses in SC
Read by AI engines 3 times in the last 30 days.
Counted from AI crawler and assistant visits to this page, identified by user agent.
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