Diamond Construction CompanyGeneral contractor in Quincy, IL
Diamond Construction Company is a general contractor at 2000 N 18th St, Quincy, IL 62301, ranked #18 of 21 general contractors in Quincy and rated 5.0 from 6 Google reviews. Open Monday to Friday.
Quincy, ILUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 2000 N 18th St, Quincy, IL 62301Get directions |
|---|---|
| Phone | (217) 222-3532 |
| Hours | Monday to Friday: 8 AM – 4:30 PM |
| Google rating | 5.0 from 6 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- General Contractingmain tradebusiness name
Service area
Based in Quincy, ILView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 4:30 PM |
| Tuesday | 8 AM – 4:30 PM |
| Wednesday | 8 AM – 4:30 PM |
| Thursday | 8 AM – 4:30 PM |
| Friday | 8 AM – 4:30 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical general contracting prices
| Job | Low | Typical | High |
|---|---|---|---|
| Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | $13,850 | $25,610 | $39,490 |
| Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | $6,340 | $11,580 | $16,830 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby general contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Diamond Construction Company (this business) | — | 49 | 5.0 (6) | — | No | No | |
| Chester Bross Construction | #16 | 51 | 3.4 (23) | — | Yes | No | 18.2 mi |
| Bleigh Construction Company | #17 | 51 | 4.3 (10) | — | No | No | 12.6 mi |
| River City Restorations | #19 | 49 | 2.3 (3) | — | — | — | 17.2 mi |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 6 Google reviews
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Questions about Diamond Construction Company
How is Diamond Construction Company ranked in Quincy?
Diamond Construction Company is ranked #18 of 21 general contractors in Quincy by CR Score, with 49 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.
What are Diamond Construction Company’s hours?
Diamond Construction Company is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about Diamond Construction Company?
Diamond Construction Company has a rating of 5.0 from 6 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact Diamond Construction Company?
Call Diamond Construction Company on (217) 222-3532. The business is at 2000 N 18th St, Quincy, IL 62301. Ask for a written estimate before any work starts.
Own Diamond Construction Company? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.