About Company

Jamison Basement Waterproofing is a family-owned basement waterproofing and foundation repair company with over 35 years of experience serving the Greater Philadelphia tri-state region (Pennsylvania, New Jersey, and Delaware); Jamison Basement Waterproofing provides comprehensive moisture-control and structural services including interior and exterior drainage systems, sump pump installation and battery backups, crawl space encapsulation and dehumidification, foundation and wall crack repair, egress and basement window installations, basement finishing, masonry and chimney services, and mold prevention, offers free inspections and written estimates with a transferable “life of home” warranty, holds industry certifications such as Grate Products® Healthy Basement Contractor and membership in the Basement Health Association, and emphasizes trained technicians, modern equipment, and high customer satisfaction backed by hundreds of positive reviews.

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