Janssen Builders
Construction company in Quincy, IL 62305
About this company
Janssen Builders is listed as a construction company at 5530 Lentz Rd in Quincy, Illinois, in Adams County. It is one of 25 general contractors in ZIP 62305.
Other construction companies nearby
Maas Construction3615 Saint Anthony Rd, Quincy
1.8 mi(217) 228-1105
Siding Specialists Inc.2521 S 31st St, Quincy
3.2 mi(217) 430-3919
Heritage Painting & Restoration2314 Hawthorne Hill Rd E, Quincy
3.4 mi(217) 228-3241
Dale Koontz Builder3316 Cambridge Est, Quincy
4.2 mi(217) 228-1117
Central Stone8514 Rock Quarry Rd, Quincy
5.0 mi(217) 885-3284
Housing market around ZIP 62305
Figures describe the local area, not this company.
Typical home value$261,000+6.9% past year · +30% in 10 years
12-month value outlook+2.1%
Days to sale agreement10Quincy metro · 15 a year ago
New homes permitted, 202536Adams County
Listings with a price cut32.2%Quincy metro
Sale price vs list97.7%Quincy metro
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Adams County permitted 36 new homes in 2025, including 5 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.