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Keystone Foundation Service is a trusted foundation repair company serving Allentown, PA. With a perfect 5-star rating from 16 customers, they have earned a strong reputation for quality workmanship and reliable service. Their team specializes in Foundation Repair, Crack Repair, Slab Stabilization, making them a go-to choice for homeowners and businesses throughout the Allentown area. Q: How do I know if my home in Allentown needs foundation repair? A: Common signs include cracks in walls or floors, doors and windows that stick or won't close properly, uneven floors, and water seepage in the basement. If you notice any of these issues, it's best to schedule a professional inspection promptly to prevent further damage. Q: How much does foundation repair typically cost in Allentown? A: Foundation repair costs in Allentown vary based on the type and severity of damage. Minor crack repairs may start around $500–$1,500, while more extensive stabilization or waterproofing projects can range from $3,000 to $15,000 or more. A free inspection can give you an accurate estimate. Q: How long does foundation repair take in Allentown? A: Most foundation repair projects in Allentown take one to three days for standard crack and stabilization work, though larger or more complex repairs may take a week or longer. Your contractor will give you a timeline after assessing the damage.
Data updated Apr 16, 2026
| # | Business | Rating | Reviews | Response |
|---|---|---|---|---|
| #1 | Philadelphia Foundation Repair & Waterproofing | 5.0 | 62 | Tracking |
| #2 | Basements By Burke | 5.0 | 47 | Tracking |
| #3 | NJ Foundation Repair & Waterproofing | 5.0 | 25 | Tracking |
| #4 | Keystone Foundation Service | 5.0 | 16 | Tracking |
| #5 | Keystone Foundation Repair | 4.9 | 415 | Tracking |
| #6 | Liberty Basement Systems | 4.9 | 327 | Tracking |
| #7 | A+ Waterproofing | 4.9 | 48 | Tracking |
| #8 | Groundworks | 4.8 | 1,300 | Tracking |
| #9 | ASRE | 4.5 | 42 | Tracking |
| #10 | Lehigh Valley Concrete | 4.4 | 10 | Tracking |