Mold Removal Contractors in Philadelphia, PA

23 listed 68% humidity 42" annual rain typical job $1.5k–$4.5k

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Mold in Philadelphia, PA

Philadelphia's mold problems come straight from two things working together: the city's 68% average humidity and 42 inches of annual rainfall hitting homes with a median age of 1948. Older row homes and brick buildings in this climate are prone to moisture issues in basements, crawlspaces, and around foundation cracks. If you've got water intrusion or dampness, mold will follow quickly in Philadelphia's damp conditions.

Mold remediation in Philadelphia typically costs between $1,500 and $4,500. The number depends on how much area needs treatment, whether you have structural damage, and if the mold's in an easy-to-reach spot like a bathroom or somewhere harder like inside walls. A small bedroom closet is different from a basement that's been wet for months.

Pennsylvania doesn't have a statewide mold remediation license, so you need to be careful who you hire. Look for contractors certified by the IICRC (Institute of Inspection, Cleaning and Restoration Certification) and verify they carry both general liability and pollution liability insurance. Don't assume a contractor's credentials without asking to see them. We've listed 43 qualified contractors for Philadelphia on this page, but that certification and insurance matter more than the list length.

One important note for Philadelphia specifically: get a moisture reading and source identification before you pay for remediation. Many older homes here have chronic humidity issues that need ventilation or dehumidification work, not just mold removal. If you treat the mold but don't fix the moisture, it'll come back.

7109 Rutland St, Philadelphia, PA 19149, USA

5 · 40 reviews on Google

1617 John F Kennedy Blvd #430, Philadelphia, PA 19103, USA

1030 E Columbia Ave, Philadelphia, PA 19125, USA

5 · 95 reviews on Google

1844 W Hunting Park Ave, Philadelphia, PA 19140, USA

5 · 30 reviews on Google

1555 Baltimore Ave, Folcroft, PA 19032, USA

5 · 154 reviews on Google

621 Walnut Ln, Philadelphia, PA 19128, USA

5 · 23 reviews on Google

9988 Gantry Rd, Philadelphia, PA 19115, USA

5 · 104 reviews on Google

7033 Forrest Ave, Philadelphia, PA 19138, USA

5 · 20 reviews on Google

7349 Malvern Ave, Philadelphia, PA 19151, USA

4.9 · 48 reviews on Google

8421 Hegerman St, Philadelphia, PA 19136, USA

4.9 · 748 reviews on Google

110 Yearsley Mill Rd, Media, PA 19063, USA

4.9 · 83 reviews on Google

3600 Drumore Dr, Philadelphia, PA 19154, USA

425 Markle St, Philadelphia, PA 19128, USA

4.9 · 120 reviews on Google

2709-13 E Indiana Ave, Philadelphia, PA 19134, USA

4.9 · 126 reviews on Google

407 S 10th St #105, Philadelphia, PA 19147, USA

7135 James St, Philadelphia, PA 19135, USA

4.8 · 251 reviews on Google

150 Monument Rd Ste 207, Bala Cynwyd, PA 19004, USA

4.8 · 71 reviews on Google

4928 Pearson Ave Unit A, Philadelphia, PA 19114, USA

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Business data sourced from public records · Last updated April 2026

MoldGuide is a lead referral service. We do not employ, endorse, or guarantee the work of any contractor listed. Verify licenses, insurance, and certifications independently before hiring.