Diamond Construction Co
Construction company in Quincy, IL 62301
About this company
Diamond Construction Co is listed as a construction company based in Quincy, Illinois, in Adams County. Federal motor carrier records list 5 drivers and 10 trucks for the company. It is one of 18 general contractors in ZIP 62301.
Other construction companies nearby
Azotea Construction601 S 18th St, Quincy
(217) 224-1271
Dale Koontz Builder3316 Cambridge Est, Quincy
(217) 228-1117
DP Construction of Quincy123 N 4th St, Quincy
(217) 653-7357
Kitchen and Bath Gallery615 Jersey St, Quincy
(217) 214-0310
Rees Construction Co517 Kentucky St, Quincy
(217) 222-0748
Housing market around ZIP 62301
Figures describe the local area, not this company.
Typical home value$142,000−1.3% past year · +13% in 10 years
Typical rent$1,008+7.8% past year
12-month value outlook+1.7%
New homes permitted, 202536Adams County
Days to sale agreement10Quincy metro · 15 a year ago
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. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.