C&J Contractors & Waterproofing in Baltimore: Basement and Foundation Repair for Row Houses
C&J Contractors & Waterproofing is a licensed general contractor based in Baltimore that specializes in basement waterproofing, foundation repair, and structural remediation, the trio of problems that plague the city's 19th-century row houses. The company handles both interior and exterior water intrusion solutions, foundation crack sealing, and drainage system installation, operating at the scale where homeowners can get a single point of contact rather than juggling separate trades.
What C&J Contractors Actually Does
The business operates as a waterproofing-first general contractor, meaning foundation and moisture work comes before kitchen remodels or deck builds. Baltimore's age and its high water table make this focus rational: row house basements flood, foundations crack and shift, and crawlspaces leak. C&J handles interior membrane systems, exterior excavation with new perimeter drainage, sump pump installation, French drain systems, and structural crack repair using epoxy injection. The company also does limited general contracting on projects that stem from water damage, such as basement finishing after waterproofing or framing repairs in compromised areas.
Services and Pricing
C&J charges per job rather than hourly. A basement waterproofing quote typically depends on linear footage of walls, extent of existing damage, and whether work is interior only or requires exterior excavation. Interior moisture barriers and sump systems generally run $3,000 to $8,000 for a standard Baltimore row house basement; exterior excavation with new perimeter drains and gravel systems cost considerably more, often $10,000 to $20,000 or higher depending on lot access and soil conditions. Epoxy crack injection runs roughly $500 to $1,500 per wall section. The company provides written estimates and will visit the property to inspect before quoting. Confirm current pricing directly, as material and labor costs shift seasonally.
How C&J Compares to Baltimore Alternatives
Baltimore has several waterproofing contractors operating at different scales. Basement Systems Mid-Atlantic, a franchise with national backing, emphasizes brand consistency and extended warranties but typically carries higher price points and relies on patented systems that can lock homeowners into their maintenance network. Smaller independent waterproofers in the city often charge less upfront but may have longer project timelines or variable quality control. C&J sits in the middle: local enough to understand Baltimore's specific foundation problems, established enough to carry insurance and licensing, but not franchise-scale pricing. For straightforward sump pump or interior sealing, a handyman or local plumber may be cheaper; for major excavation or structural work, C&J's general contracting license and bonding matter.
Who It Suits and Who It Does Not
C&J works best for Baltimore homeowners with basement water problems who want a contractor able to diagnose whether the issue is external drainage, interior sealing, or structural, rather than a salesperson pushing one method. It suits row house owners especially, since the company has logged thousands of hours on the city's typical foundation styles. It does not suit homeowners looking for a design-forward renovation contractor or those seeking the most budget solution regardless of method. It also does not handle large commercial or industrial foundation work.
The First Visit and Estimate Process
Call to schedule a site visit. A C&J representative will inspect the basement, crawlspace, or foundation area, noting water entry points, crack patterns, soil moisture, and existing drainage. They will ask about when leaks occur (during heavy rain, after snow melt, constant seepage), whether you have a sump pump, and what prior repairs have been attempted. The estimate will specify materials, method, timeline, and whether digging or interior work is needed. Some jobs warrant a second opinion if cost is high, especially for exterior excavation.
Hours and Logistics
C&J operates Monday through Friday, 8 a.m. to 5 p.m., with emergency calls taken after hours and on weekends for active leaks (premium rate applies). Office is in Baltimore; crews work throughout the city and immediate suburbs. Most row house projects are completed in one to three days for interior work, longer for excavation. Verify current hours and emergency rates by phone.
For a city where basements leak and foundations settle as a matter of course, C&J has built a straightforward business: show up, diagnose honestly, estimate fairly, and fix the water problem the way it needs to be fixed.

