1940 Mark Ave, Elgin, IL, 60123 is a rental building in Elgin, Chicago. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
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Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Portfolio-level grade reflects the landlord's buildings across the city, weighted by unit count. Individual building grades may differ.
View full landlord profileTop 5 by score · of 87 total
ACRIS deeds and regulatory filings
Elgin · February 2026
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Potential savings: ~37% by timing your move to September.
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