Mold Inspection & Testing

All City Environmental

Mold can quickly cause damage

Why Check for Mold?

Mold can be a so hard to deal with and can be terrible for your family and business. Once growth begins, it can spread and grow on your carpets, floors, clothing, furniture and many other things. Mold growth can also cause deterioration of insulation, peeling paint, stains on the walls and ceilings and ruin the structural integrity of your home through fungal growth and rot.

Mold grows in areas with excess moisture, which can be caused by a variety of factors. If not treated properly and in a timely manner, it could lead to serious health problems. There are a number of causes that increase moisture in your home or business: Leaks, Plumbing problems, long term sprinklers, showers, Roof, window and wall failures.

If your home is not properly insulated, or a leak occurs, this causes moisture to build up and creates an ideal environment for mold to live and grow. While not all molds are toxic, it can lead to musty odors, deterioration of your home and also aggravate people with allergies.


When to Inspect and Test?

Inspections can be preventative or needed when visible mold growth, health concerns and/or water leaks are present. Our certified inspectors have the skills and knowledge to identify any problem areas with a visual inspection and sampling of any potential mold growth. Samples are sent to Microstest Labs and from there report analysis and a full report will be constructed based on the lab results, visual inspection notes, any recommendations and an estimate for remediation work in areas that have been found to have fungal contamination. Sampling includes Indoor Air Quality (IAQ) as well as surface samples in our basic mold inspection package. Specific sampling can be done based on the situation at hand.

Types of Mold Testing (Sampling)

Surface Sampling: Swab: Sterile swabs are used to collect samples from suspect surfaces. The swab is swiped over the target area and then stored in a buffer solution. After sampling, swabs are packed into an insulated sample chest with ice or frozen gel packs and sent to the laboratory.

Surface Sampling: Taple Lift: Clear Adhesive 3M Brand Cellophane tape is used to obtain a sample from a suspect surface. Samples are then sent to the laboratory for analysis.

Air Sampling: The cassette (spore trap) is used for collecting particles floating in the air. Ambient air is pumped (via a vacuum pump) through the tapered inlet slit of the Air-O-Cell Cassette. The cassettes are sent to an independent laboratory for analysis.

Bulk Sampling: The removal of wall sections or other suspect items in significant portions is known as bulk sampling. Bulk samples are cut away, placed in plastic bags and sealed. They are then packaged into an insulated sample chest with ice or frozen gel packs and sent to an independent laboratory where they are examined for spores and/or cultured as needed. This type of sampling allows for accurate identification of spores.

Post-Remediation Mold Testing (Clearance Testing)

Following remediation, clearance testing/sampling is necessary to ensure that contaminants initially found in areas of concern have been removed and are at acceptable levels for occupants. Along with a visual assessment, surface and IAQ sampling are required to have complete clearance of an area(s) per our high standards. A certificate of clearance is issued in an area(s) that passes the clearance testing. We have to make sure it is safe for the occupant to enter their home or business.

Mold Remediation & Restoration

All City Environmental

Most of the homes in Northern California are at risk to mold due to the seasonally high levels of humidity and age of many homes.

The first step of mold remediation is to identify the problem and any contributors to the problem. This is when we inspect and test you areas of concern.


The second step is to perform the containment, cleanup and remediation.

  1. 1. Proper preparation of the Site
  2. 2. Complete Containment
  3. 3. Creation of Negative Air Pressure
  4. 4. Excavation of Damaged Materials
  5. 5. HEPA Cleanup
  6. 6. Application of Treatment Chemicals
  7. 7. Removal of All Mold Contaminates

The final step is to properly clean up the site to ensure minimization of any future mold occurrence.

All City Environmental

12 Year Warranty


All City Environmental stands behind there remediation and offers a 12 year warranty. Our staff is highly trained in remediation and getting your home or business back on track. No other mold company has a warranty like this and that is why All City is the #1 choice for mold testing and remediation in Northern California. When you hire us the job will be done right, we guarantee it!

Experienced and Professional

All City Environmental has over ten years experience in Mold inspection and remediation. We play an active role in standards enforcement and the production of educational materials on the subject of indoor Mold contamination and water damage handling with the Environmental Protection Agency (EPA) and the Indoor Air Quality Association (IAQA).

All City Environmental is licensed in California - #338889.