One Source Contracting
- House
- Kitchen
- Project
24 contractors listed · 20 in Baltimore · 10 open weekends · 17 rated 4.5+ · 6 show a license
Data verified October 21, 2026
Listed for people planning a new house in and around Baltimore, MD, these 24 contractors build on land you own or on lots they control. A card reflects the way that builder describes its own work, its plans and its service area; the ratings beside it come from public reviews.

20 of the 24 contractors we list are based in Baltimore; the other 4 serve Baltimore from Glen Burnie (10 mi), Elkridge (12 mi) and Hanover (16 mi). 22 of the contractors on this page have a rating, from 4.0 to 5.0 across 373 reviews; 2 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (95%), quality (90%) and responsiveness (81%). 10 are open on Saturdays and 2 on Sundays. 6 show a license on their websites; 1 lists staff certifications (EPA) and 9 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 71 years. 5 offer financing or payment plans; 4 give free estimates and 2 are family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for 21 of the contractors on this page; 20 publish a contact page; 16 list a public email and 2 take bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
6 of the 24 listings shown show a license on their websites. For new houses, ask separately who provides the structural warranty and get that in writing, since the company standing behind the house for a decade is not always the company that built it.