#1
Lead Safe Resources
“We had an excellent experience. Everything went so smooth and in timely manner. I will always renew my certificate with Lead Safe Resources and recommend them to my neighbors and friends.” — Google review
Experts Reviews · 2026 Ratings
The Best Hazardous Material Removal in Philadelphia, PA
We graded 8 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
—typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
98%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.84★average ratingPlain average of every Google star rating we collected for these companies.
2.8%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 13,306 Google reviews of 128 top-rated hazardous material removal nationwide; 8 of them in Philadelphia, PA. Updated November 3, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of hazardous material removal).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 | Lead Safe ResourcesPhiladelphia, PA | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%99+58.1Reliability 26%98+25.6Value 15%100+15.2Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 4.99 | — |
| 2 |  Synertech Environmental LLCPhiladelphia, PA | A 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%96+66.5Reliability 31%94+28.9Craft & service penalty94−0.6Experts Score= 95Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAA–A– | 5.00 | — |
| 3 |  Asbestos Mold SpecialistsPhiladelphia, PA | A 93How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%96+56.3Reliability 26%94+24.5Value 15%87+13.2Craft & service penalty93−0.7Experts Score= 93Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 4 |  EJS Environmental ServicesPhiladelphia, PA | A 90How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%93+59.1Reliability 28%92+26Replies to reviews 8%60+4.9Experts Score= 90Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AB | 4.89 | — |
| 5 |  Mold Abatement ContractorsPhiladelphia, PA | A 89How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%93+50.7Reliability 24%87+21.1Value 14%100+14.1Replies to reviews 7%51+3.6Craft & service penalty98−0.2Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.87 | — |
| 6 |  SBP Solutions, LLC - Lead Dust TestingPhiladelphia, PA | B 78How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%81+47.5Reliability 26%60+15.7Value 15%100+15.2Craft & service penalty97−0.3Experts Score= 78Not enough data for replies to reviews; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAA– | 4.85 | — |
| 7 |  Lead Safe Technicians - Lead Inspections, Lead Removal & Lead Paint TestPhiladelphia, PA | B 74How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%76+41.5Reliability 24%63+15.3Value 14%100+14.1Replies to reviews 7%83+5.9Craft & service penalty99−0.1Momentum penalty76−2.4Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAABA | 4.84 | — |
| 8 |  Criterion LabsPhiladelphia, PA | C 56How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%62+39.4Reliability 28%54+15.2Replies to reviews 8%19+1.6Craft & service penalty94−0.6Experts Score= 56Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCA–AF | 4.58 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Hazardous Material Removal in Philadelphia, PA at a glance
How the 8 hazardous material removal we rated in Philadelphia, PA compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A563%
- Grade B225%
- Grade C113%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up338%
- 4.80–4.89★450%
- 4.60–4.79★00%
- Below 4.60★113%
What customers praise
Share of Google review highlights.
- Quality1,75120%
- Professionalism2,15825%
- Responsiveness1,77920%
- Punctuality1,57618%
- Value1,47517%
Was the price fair?
All price verdicts left with reviews.
- Great price36449%
- Reasonable31842%
- Overpriced172%
- Not sure517%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 8 best-rated hazardous material removal in Philadelphia, PA average 4.9★ on Google across 695 reviews. Lead Safe Resources has the top rating (5.0★), and Lead Safe Technicians - Lead Inspections, Lead Removal & Lead Paint Test has the most reviews (275). Updated November 2, 2026.
8 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (695 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Mold Abatement Contractors
“Jason was very responsive and extremely helpful. He advised us on budget friendly methods to take care of our mold and was quick to respond to all of our follow up questions.” — Google review
#3
Lead Safe Technicians - Lead Inspections, Lead Removal & Lead Paint Test
“Super satisfied with the service I got from Lead Safe Technicians. They were responsive, delivered everything as they said, and easy to work with. Definitely recommend them!” — Google review
#4
EJS Environmental Services
“EJ was incredibly helpful and knowledgeable. Very grateful for his willingness to talk over the phone about our situation and for his advice.” — Google review
#5
SBP Solutions, LLC - Lead Dust Testing
“I would recommend this class to anyone that is trying to obtain their Lead certification. My instructor Niyirah was very helpful explaining all the ins and outs of lead testing. She was also open to answering any and…” — Google review
#6
Asbestos Mold Specialists
“I would to let you know the work that was done regarding the Removal of Mold in my house was excellent. The worker was knowledgeable and courteous. He checked all possible locations for mold and repeated the…” — Google review
#7
Synertech Environmental LLC
“They were super easy to work with, provided very quick and easy process to get a sample tested! Love supporting a local neighbor too. Great communication. Thank you!” — Google review
#8
Criterion Labs
“Myself and our company has been working with Criterion for the better part of a year. The best lab we have ever worked with. Our water treatment company relies on accurate testing. When a customer shows me a lab…” — Google review
How we pick hazardous material removal in Philadelphia
We scan Google Maps for hazardous material removal service listings in and around Philadelphia, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated hazardous material removal service in Philadelphia?
Lead Safe Resources has the highest Google rating on our Philadelphia list: 5.0 out of 5 from 108 reviews (as of November 2, 2026).
Which hazardous material removal service in Philadelphia has the most reviews?
Lead Safe Technicians - Lead Inspections, Lead Removal & Lead Paint Test has the most Google reviews among the companies listed here: 275, with a 4.8★ average.
How are these hazardous material removal chosen?
Only open Philadelphia-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
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