Top 7 Sewage Cleanup & Biohazard Companies in California (2026)

Published: May 30, 20262026524 words2 min read

Key Takeaways

7 sewage & biohazard firms in California qualified for this ranking based on verified data from public sources (BBB, Google, IICRC, EPA, Yelp, Angi, HomeAdvisor).
The top firm in this ranking is The Restoration CleanUp Company, with a MetaScore of 81/100.
Every firm here carries at least one publicly verifiable signal — no firm appears in this article without a cited source.
This list is filtered to firms that explicitly offer sewage & biohazard services. Multi-discipline firms appearing here have that service confirmed on their website or in their public certifications.
Methodology is published in full at restorationindex.com/methodology. Firms can request a correction at restorationindex.com/contact.

Sources cited in this article: Better Business Bureau, Institute of Inspection, Cleaning and Restoration Certification, U.S. Environmental Protection Agency, Google, Yelp, Angi, HomeAdvisor, and Restoration Index.

Based on aggregated public-source data from BBB Business Profiles, Google Business Profile reviews, IICRC certified member directory, EPA Lead-Safe registry, Yelp, Angi Super Service Award lists, and HomeAdvisor recognition, here are the top-ranked sewage & biohazard firms in California. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

Top 7 Sewage Cleanup & Biohazard Companies in California — Ranked by Multi-Source MetaScore

The Restoration CleanUp Company (Oakland, CA) — MetaScore 81/100. 4.8-star Google rating across 65 reviews. BBB A+ accredited. IICRC certified. Read the full review.
Fire & Water Damage Recovery (Oakland, CA) — MetaScore 78/100. 4.8-star Google rating across 83 reviews. BBB A+ accredited. founded 1997. Read the full review.
SERVPRO of West Oakland (Oakland, CA) — MetaScore 75/100. 5.0-star Google rating across 32 reviews. BBB A+ accredited. IICRC certified. founded 2020. Read the full review.
Water's Fault Restoration (Oakland, CA) — MetaScore 73/100. 5.0-star Google rating across 30 reviews. Read the full review.
On Call Restoration (Oakland, CA) — MetaScore 67/100. 4.7-star Google rating across 41 reviews. Read the full review.
Faragon Restoration Ltd. (Oakland, CA) — MetaScore 64/100. 4.6-star Google rating across 27 reviews. IICRC certified. founded 2015. Read the full review.
Aqua Angels Recovery (Oakland, CA) — MetaScore 62/100. 5.0-star Google rating across 18 reviews. BBB NR. Read the full review.

Top sewage & biohazard firms in Oakland

The Restoration CleanUp Company leads Oakland with a MetaScore of 81/100 and 65 Google reviews. Other top-ranked firms in Oakland include Fire & Water Damage Recovery (MetaScore 78/100), SERVPRO of West Oakland (MetaScore 75/100), and Water's Fault Restoration (MetaScore 73/100).

Frequently Asked Questions

How is the Restoration Index MetaScore calculated?

The MetaScore is a weighted average of nine normalized component scores: Google Business Profile reviews (25%), BBB rating + complaint history (20%), IICRC certification (12%), EPA Lead-Safe registry (8%), years in business (10%), Yelp reviews (10%), Angi Super Service Award (5%), HomeAdvisor Top Rated (5%), and regional industry awards (5%). Firms with sparse data have weights redistributed proportionally across the sources we did find. Full methodology at restorationindex.com/methodology.

Who is the top-ranked sewage cleanup & biohazard company in California?

As of May 2026, The Restoration CleanUp Company ranks #1 in California for sewage cleanup & biohazard with a MetaScore of 81/100. The full ranking and per-firm breakdowns appear below.

How often is this list updated?

Firm-level data (reviews, BBB ratings, certifications) is refreshed every 30 to 90 days depending on the source. Awards and recognition fields refresh annually. The "Last refreshed" date below the article header reflects the most recent data refresh for this article.

Can firms pay to be included or ranked higher?

No. Restoration Index does not accept paid placement. The MetaScore is calculated identically for every firm in the index, whether or not they have any commercial relationship with Pleiades Consultancy (the publisher of this site). The methodology is published in full so firms can audit how the calculation works.

What if a firm I trust is missing from this list?

Coverage is rolling out city by city. If a firm meets our inclusion criteria (operating in the named region, offering sewage cleanup & biohazard services, with at least one verifiable public signal), they will appear in future refreshes. Firms can also reach out via restorationindex.com/contact to request inclusion.

Sources & Further Reading

Every claim in this article is backed by at least one of the following third-party sources. Linked out to the publisher so you can audit the original.