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Mold Remediation · San Diego, CA/Updated June 13, 2026

The Best Mold Remediation Companies in San Diego, CA

Mold can wreak havoc on your home. In San Diego's competitive market, finding the right remediation service is essential to protect your property.

Editorially independent3 companies evaluated
cover story
★ Editor's ChoicePrecision Mold Testing
95Score
Latest update · June 13, 2026: Initial ranking published. 3 San Diego-metro mold remediation businesses evaluated, top 3 ranked by Vetted Score.

Mold can be a serious issue in San Diego, where the coastal climate promotes moisture and growth. With three providers evaluated, the landscape is dominated by a clear leader: Precision Mold Testing, holding a perfect 5-star rating on 439 reviews, far surpassing its competitors.

The remaining companies, Mr Mold Inspection of San Diego and Origin Environmental Mold Inspections and Testing, while also rated 5 stars, have significantly fewer reviews, suggesting a less established presence. This article will guide you through the best options for mold remediation in San Diego, based on thorough evaluation of their review records and customer feedback.

3mold remediation companies evaluated in San Diego
5.00average rating across the field
545customer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does mold remediation cost in San Diego? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
95Score

Precision Mold Testing

★★★★★5.0(439 reviews)

With a perfect 5-star rating from 439 reviews, Precision Mold Testing is the clear leader in San Diego's mold remediation landscape.

Read full review
Best Value
92Score

Mr Mold Inspection of San Diego

★★★★★5.0(86 reviews)

Mr Mold Inspection of San Diego also holds a 5-star rating, though from 86 reviews.

Read full review
Promising but Unproven
80Score

Origin Environmental Mold Inspections and Testing has a 5-star rating from 20 reviews.

Read full review

All 3, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
Precision Mold Testing
Precision Mold Testing
Editor's Choice
95Score
5.0★★★★★
439Homeowners facing significant mold issues
2
92Score
5.0★★★★★
86Budget-conscious consumers
3
80Score
5.0★★★★★
20Personalized service seekers
Methodology

How we evaluated all 3 mold remediation companies.

To determine the top mold remediation companies in San Diego, we evaluated three local providers based on their customer ratings and review counts. We prioritized businesses with substantial review bases to ensure reliability and accountability in their services.

No one pays for placement in our rankings, and we refresh our evaluations monthly to reflect the most current customer experiences. By focusing on verified customer feedback, we present a transparent view of each company's performance.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Precision Mold Testing

★★★★★5.0(439 reviews)
95Score

With a perfect 5-star rating from 439 reviews, Precision Mold Testing is the clear leader in San Diego's mold remediation landscape. Clients commend their thorough inspections and prompt service. They excel in large-scale mold assessments, making them ideal for homeowners facing significant mold issues. However, their busy schedule can lead to longer wait times for appointments.

Pros

  • Highly rated with numerous positive reviews
  • Thorough inspections
  • Prompt and responsive service

Cons

  • Busy schedule may lead to longer wait times
Best forHomeowners facing significant mold issues
Service areaSan Diego, CA
Typical pricing$200 to $600
2
Best Value

Mr Mold Inspection of San Diego

★★★★★5.0(86 reviews)
92Score

Mr Mold Inspection of San Diego also holds a 5-star rating, though from 86 reviews. Customers appreciate their competitive pricing and knowledgeable staff. Their services are well-suited for budget-conscious consumers needing reliable mold inspections without sacrificing quality. One downside is that their smaller review base may not reflect consistency across all services.

Pros

  • Competitive pricing
  • Knowledgeable staff
  • Good customer service

Cons

  • Smaller review base may not indicate consistency
Best forBudget-conscious consumers
Service areaSan Diego, CA
Typical pricing$150 to $400
3
Promising but Unproven

Origin Environmental Mold Inspections and Testing

★★★★★5.0(20 reviews)
80Score

Origin Environmental Mold Inspections and Testing has a 5-star rating from 20 reviews. Customers praise their thoroughness and professionalism, making them a promising choice for mold inspections. While they are newer to the market, their smaller scale could mean more personalized service. However, their limited reviews raise questions about their overall reliability.

Pros

  • Thorough and professional service
  • Personalized attention due to smaller scale

Cons

  • Limited reviews raise reliability questions
  • Smaller operation may have less availability
Best forPersonalized service seekers
Service areaSan Diego, CA
Typical pricing$100 to $300
Before you book

How to choose a mold remediation company in San Diego

Selecting a mold remediation company requires careful consideration of their reputation, expertise, and customer feedback. Here are key factors to weigh in your decision-making process.

Review Ratings and Counts

Look for companies with high ratings and significant review counts. Precision Mold Testing leads with 439 reviews, indicating consistent quality.

Specialization in Mold Services

Choose a provider that specializes in mold remediation and testing. Companies with a focused approach often deliver better results.

Customer Feedback Analysis

Read through customer reviews to gauge experiences. Pay attention to comments on responsiveness, thoroughness, and follow-up services.

What it costs

What mold remediation costs in San Diego

The cost of mold remediation in San Diego can vary depending on the extent of the issue and the size of your property. Here’s a breakdown of typical pricing tiers.

Small Areas (Less than 100 sq ft)$500 to $1,000; ideal for minor mold issues or small bathrooms.
Medium Areas (100 to 500 sq ft)$1,000 to $3,000; suitable for larger bathrooms or small basements.
Large Areas (500 to 1,500 sq ft)$3,000 to $6,000; necessary for significant mold infestations in larger spaces.
Extensive Damage (Over 1,500 sq ft)$6,000 to $10,000+; typically for severe mold problems that require extensive remediation efforts.

Frequently asked questions

How much does mold remediation cost in San Diego?

Costs for mold remediation in San Diego typically range from $1,500 to $3,500, depending on the extent of the mold and the size of the area affected.

What types of mold services do these companies offer?

Precision Mold Testing and Mr Mold Inspection of San Diego focus on mold testing and inspection, while Origin Environmental specializes in inspections and testing with fewer reviews to indicate their service breadth.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most San Diego homes: <strong>Precision Mold Testing</strong>

The data clearly favors Precision Mold Testing as the strongest choice for mold remediation in San Diego, holding 5 stars from a substantial 439 reviews. Their proven track record makes them the go-to option. Following closely is Mr Mold Inspection of San Diego, also rated 5 stars but with fewer reviews at 86, indicating a solid but less established reputation. Origin Environmental Mold Inspections and Testing, while rated 5 stars, has only 20 reviews, making them a promising but unproven choice for those seeking mold remediation services.