Company Overview
Company Name
Costello Construction
Address
10211 Wincopin Cir, Columbia, MD, 21044, United States
Website
costelloconstruction.comPhone
(410) 740-9500Approx. Annual Revenue
$1.2M
Employees
20
Established
1998
Google Reviews
4.3 (24 reviews)
Google Business Category
General contractor
About Costello Construction
Business Profile
Read from the Costello Construction website on Oct 27, 2026. Hover an item to see the exact wording it came from.
About the website
- Website quality (AI-assessed)
- 7/10 · Current and complete with project examples; Clear navigation and service focus
Costello Construction is hiring
Open roles listed on their website as of Oct 27, 2026.
- Carpenter
- CDL Driver
- Construction Quality Control Manager
- Heavy Equipment Operator
- Superintendent
- Utility Foreman
Hiring in: Skilled trades, Drivers, Management, General labor
View careers page →Recent changes
What changed on the Costello Construction website and Google listing, as detected by Coldlytics on each visit.
Estimated headcount moved from 21-50 to 11-20 employees
Started advertising open roles
Carpenter, CDL Driver, Construction Quality Control Manager
Google Ads pixel installed
Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.
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Frequently Asked Questions about Costello Construction
Advertising Pixels
- Google Ad Pixel
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