Looking for a basement waterproofing contractor in Clifton Heights, PA? Describe your project once and up to three waterproofing contractors who work in Clifton Heights and Delaware County get back to you with a quote. It's free and there is no obligation.
Clifton Heights is home to about 6,880 people (2024 Census Bureau estimate), a stable community (+0.4% since 2020). With 10,912 people per sq mi, it is a densely built-up area. Heavy rains, high water tables and older foundations are the usual causes of wet basements here.
Clifton Heights at a glance
- Population (Census Bureau estimate, 2024)
- 6,880 (+0.4% since 2020)
- Rank in Pennsylvania
- 123rd of 1,013 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 10,912 people per sq mi (densely built-up)
- Type
- Borough (Clifton Heights borough)
- Main county
- Delaware County
What to check before hiring in Clifton Heights
- Outside first: check gutters, downspouts and grading before paying for a system.
- License and permit: in Pennsylvania, check the contractor's license and whether a permit is needed.
- Warranty: ask what it covers, whether it is transferable and who backs it.
- Price drivers: wall length, system type, sump pumps and excavation.
Useful official resources
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EPA: mold
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Clifton Heights
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Interior drain tile and sump pump
Interior perimeter drain, sump pump and vapor barrier to keep water out of the basement.
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Exterior waterproofing
Excavation, membrane and footing drain on the outside of foundation walls.
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Basement crack sealing
Injection or sealing of leaking cracks in poured or block foundation walls.
Frequently asked questions in Clifton Heights
How much does basement waterproofing cost in Clifton Heights, PA?
It depends on the system and the size of the basement. Describe the problem: contractors who serve Clifton Heights reply with a quote.
How long does it take?
Interior systems often take a few days; exterior work takes longer.
Will waterproofing stop mold?
It removes the main cause. Existing mold should be cleaned up separately.
Which waterproofing contractors will contact me?
Up to three independent waterproofing contractors who serve Clifton Heights and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.