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Questions Contractors Should Ask When Vetting Construction Cleaning Service Providers

As a General Contractor, you know that a clean and safe construction site is essential to the success of any project — no matter if you’re working on a school, church, or office building. 

But, let’s be honest, you have your hands full trying to keep your subcontractors safe and making sure your project stays on time and budget which means keeping the job site clean and orderly can easily slip off your radar.

This is where partnering with a construction cleaning service comes in handy.

A good construction cleaning service can not only help you keep the job site looking good, but they also provide an extra layer of protection for your workers.

Since on-site injuries have the potential to slow down projects and cost a lot of money, having someone come in and do regular cleanings can go a long way toward preventing those risks.

Not only that, but construction cleaning service providers are also experts in their field, which means they have the equipment and know-how to get the job done effectively.

But how do you go about finding the right construction cleaning contractor for your project? One that is reliable, efficient, and cost-effective?

Keep reading because in this post, we’ll walk you through the process of identifying and vetting potential service providers along with the top questions you need to ask before making your final decision.

Key Criteria for Vetting Construction Cleaning Service Providers

Before we discuss the questions to ask potential cleaning service providers, let’s go over a few key things you need to take into consideration.

Competent staff training and experience:

A provider’s cleaning staff should be well-trained and experienced in handling the unique challenges of construction site cleanups. 

This includes knowledge of safety procedures, proper use of equipment, and familiarity with the specific cleaning requirements of construction projects.

Appropriate equipment and supplies:

A quality construction cleaning provider will use equipment and supplies specifically designed for construction site cleanups. 

This may include HEPA-filtered vacuums, industrial-grade cleaning solutions, and other specialized tools. They should also be able to handle various types of debris and materials commonly found on construction sites.

Compliance with industry regulations and certifications:

A reputable cleaning service provider should adhere to industry regulations, such as OSHA guidelines, to ensure a safe working environment. 

Certifications like ISSA’s Cleaning Industry Management Standard (CIMS) can be an indicator of a provider’s commitment to quality and professionalism.

Questions General Contractors Should Ask

Armed with knowledge from the above criteria, you’re now ready to start identifying potential providers and asking them the right questions.

Do you have experience cleaning construction sites?

For the same reason you wouldn’t go to a podiatrist for a toothache, you don’t want to hire a general cleaning service for a construction cleanup job. 

The service provider that you ultimately choose to work with should have experience cleaning construction sites and be able to demonstrate their commitment to quality in this area.

What safety procedures do you follow?

Safety is a top priority on any construction site, so it should also be a priority for the cleaning service provider that you hire. 

Ask if they are familiar with OSHA regulations and other industry standards, as well as any safety procedures they have in place to protect their staff.

How do you determine the cost of a job?

Cost is an important factor when selecting a cleaning service provider, so it’s important to understand how they determine pricing. 

Ask them if they charge by the hour or fixed rate, if there are any additional fees or taxes that may apply, and if they provide any discounts for larger jobs.

What kind of payment terms do you offer?

In addition to understanding the pricing structure, make sure you know what type of payment terms the provider offers. This includes accepted forms of payment, when payment is due, and if there are any late payment fees.

What kind of equipment and supplies do you use for construction cleaning projects?

The provider should use specialized tools and products designed for construction site cleanups. 

Knowing they use HEPA-filtered vacuums, industrial-grade cleaning solutions, and other appropriate equipment ensures that they can effectively clean and handle various debris types found on construction sites.

What certifications and licenses do you have?

Finally, it’s also important to ask about their certifications and memberships. Certifications like CIMS or BSCAI demonstrate a provider’s commitment to quality, while licenses are required by law in some areas.

Knowing this information helps ensure that the provider you choose is qualified and up to date on industry regulations.

Evaluating and Comparing Cleaning Service Providers

Once you’ve gathered information from potential cleaning service providers, it’s essential to evaluate their responses and compare them to find the best fit for your project.

Here’s how to effectively evaluate and compare providers:

Prioritize criteria based on your project’s needs:

Determine which key criteria are most important for your specific project. This will help you focus on what matters most when comparing providers.

Create a comparison chart or checklist:

List the key criteria and questions you’ve asked, and use a chart or checklist to compare each provider’s responses. This will give you a visual representation of how they stack up against each other.

Watch for red flags:

Be on the lookout for warning signs, such as non-compliance with regulations, discrepancies in pricing, or vague answers to your questions.

Evaluate communication and responsiveness:

Pay attention to how each provider communicates with you during the vetting process.

Responsiveness, professionalism, and willingness to answer your questions can be indicative of the level of service you can expect once you’ve hired them.

Seek references or reviews:

Ask for references from past clients, or look for online reviews to get a better understanding of the provider’s reputation and the quality of their work.

This can provide valuable insights into their reliability and performance.

Making a Decision and Building a Strong Relationship

After evaluating and comparing potential cleaning service providers, select the one that best aligns with your project’s needs and demonstrates a commitment to safety, quality, and sustainability.

Once you’ve made your decision, take the following steps to build a strong working relationship:

Set clear expectations:

From the start, establish clear expectations regarding the scope of work, timelines, and desired outcomes.

This ensures both parties understand their responsibilities and can work towards a common goal.

Maintain open communication:

Keep lines of communication open throughout the project.

Regularly check in with your provider to discuss progress, address any concerns, and make adjustments as needed. Open communication helps prevent misunderstandings and fosters a collaborative partnership.

Provide feedback:

Offer constructive feedback to your cleaning service provider during the project. This allows them to make improvements, adapt their approach, and ultimately deliver better results.

Be responsive and flexible:

Be prepared to respond to your provider’s inquiries or concerns in a timely manner. Also, remain flexible when unexpected situations arise, working together to find solutions that keep the project on track.

Foster a positive working environment:

Treat your cleaning service provider with respect and professionalism. A positive working environment promotes cooperation, mutual respect, and a better overall experience for both parties.


Vetting construction cleaning service providers is crucial to ensure a safe, clean, and efficient construction site. By using the key criteria, questions, and tips provided in this post, you can find a provider that meets your project’s unique needs.

At 1 Stone Solutions, we pride ourselves on our commitment to safety, quality, and sustainability.

Our team adheres to industry regulations, is well-trained and experienced, and communicates openly and quickly.

We invite you to experience the 1 Stone Solutions difference. Contact us today to discuss your construction cleaning needs and learn how we can help make your project a success.