About Us

N&S Property Services, LLC is an SBA (8)a certified facility maintenance and construction company founded by William Bonilla, a hardworking immigrant who worked tirelessly to provide superior quality works to clients initially as an employee. Having been a successful employee for many years, William established N&S Property Services, LLC as a facility management business where he leverages his experience to do wonders for his clients.

William started with only residential works where he provided clients with the highest level of customer satisfaction which established his name as a thought leader at the forefront of the facility management industry. During this period, William was able to solve the toughest property maintenance situations for his numerous satisfied clients.

Over time, N&S Property Services, LLC has grown to offer commercial and government property maintenance and construction. As a top facility management company in the US, our team comprises of expert facility managers with years of experience behind them. We attend to small, medium and large-scale commercial and government properties.

We’re SBA 8(a) certified, and we stay up to date with modern trends to ensure we provide only the best of services. We render high-end, sustainable and efficient services and our innovative and growth mindset enable us to scale every facility management situation we encounter.

We offer the following core services:

Janitorial Services: Complete janitorial services, including environmentally friendly cleaning practices on a long-term or as-needed basis.

Construction Management: We provide on-site contracting services including roofing, siding, and masonry services as well as complete construction management services.

Chiller and HVAC: All of our chiller mechanics have years of factory experience and factory training on all major chiller brands. Our chiller specialists have been responsible for the service, maintenance, and overhaul of Carrier, McQuay, Trane, and York centrifugal chillers.

General Contractors: For all of your regular maintenance needs we have professional staff that can provide mechanical, plumbing, electrical, carpentry, painting and finishing services.

Landscaping Services: Complete outdoor landscaping; including seasonal requirements such as grounds maintenance and snow and ice removal.

Tenant Improvements: Changing, updating, or modifying an existing space for a new function or tenant.

N&S Property Services, LLC has extensive experience in all of the aforementioned services.  N&S Property Services, LLC leadership has handled jobs in all of these specialty areas; we can address all of your individual needs or requirements with confidence. N&S Property Services, LLC can clean, manage, improve or repair your facility, we can also respond immediately to address your emergency service needs.  Our job is to make your job easier, giving you an efficient, clean, and well maintained facility every day of the year.

N&S Property Services, LLC, leadership providing results you can see each day, our responsibility is our customer, our customer our only responsibility.

N&S Property Services, LLC management also has 20 years of hands on experience providing facility maintenance, janitorial, and landscape services to some of the most prestigious facilities in the D.C. area.  These facilities include;

  • The Department of State
  • The Department of Treasury
  • The Department of Navy
  • The Department HHS
  • The Department of Defense
  • The Department of Interior
  • The Department of Commerce
  • The Department of Transportation
  • The Pentagon
  • The Defense Nuclear Agency
  • The White House Communications Agency
  • Naval Air Facility
  • The Department of Agriculture
  • Armed Forces Radiobiology Research
  • United States Marine Corps
  • FAA
  • The Department of Justice

N&S Property Services, LLC has management experience in all areas of Facility Maintenance and Construction services.  We have over 20 years of hands-on experience in the commercial and residential construction arena. N&S Property Services, LLC is exceptionally qualified to handle projects involving plumbing, electrical, framing, masonry, roofing, siding, drywall, tile, painting and finishing work. N&S Property Services, LLC has handled construction, demolition, and general contractor requirements for the United States General Services Administration, the Federal Trade Commission and for numerous other commercial clients as well.

US Department of State
“The quick, efficient response was surpassed only by courteous, professional manner of your work crew.”

Defense Nuclear Agency
“Your unparalleled excellence in custodial services has received praise from the highest levels with DOD. Thank you for a job well done”

Armed Forces Radiobiology Research Institute
“The prompt response, cooperative esprit, and performance efficacy has distinguished your company in its fulfillment of the contract”

US Federal Aviation Administration
“Work performance is excellent”

White House Communications Agency
“I want to take the opportunity to express my grateful thanks for your support and assistance. My most sincere thanks for a job well done”

Armed Forces Radiobiology Research Institute
“The resource management department extend our gratitude and appreciation for the services your crew has provided to ensure the success and quality of the facility’s environmental”

Department of Health and Human Services
“Your efforts are greatly appreciated, thanks again for a job well done”

Our Values

Servant Leadership

To lead is to serve. We help our clients get the most out of their business. We’re happy when our clients are happy.


We stand by our word. What we promise is what we offer, and our services are competitively fair.


We’re simple people and believe in making our work process as simple as possible to enable our clients to enjoy maximum satisfaction.


We’re generous. We return to the community through charitable means.

People First

We offer a customer first service. We value our clients as kings and queens and go the extra mile to ensure they’re satisfied. We employ processes that are not harmful to human and the environment.