General Contracting • Construction Management • Facilities Maintenance
Serving Commercial, Residential, and Government Clients with Quality, Precision, and Integrity.

Serving Commercial, Residential, and Government Clients with Quality, Precision, and Integrity.


Founded in 2020 by Josefa Santos, J.L. Santos, LLC is an 8(a) Certified, Woman-Owned Small Business proudly serving the Washington, D.C. Capital Area Region. We are a professional, results-driven organization committed to delivering high-quality construction, renovation, and facility support services to Federal, State, and Local government agencies, healthcare institutions, retail establishments, and multi-location manufacturing clients.
At J. L. Santos, LLC, we assemble the right team, products, and systems for every project. Our state-of-the-art quality control inspection process ensures that clients remain fully informed, engaged, and confident that all contractual requirements are being met at every stage of the project.
Our approach is rooted in strong business principles, proven management techniques, and uncompromising customer service. We operate with integrity, transparency, and a continuous commitment to excellence.
J. L. Santos, LLC is committed to providing superior Commercial Renovation and Construction Services that deliver lasting value, quality craftsmanship, and exceptional client satisfaction.
We deliver dependable Facilities Maintenance, Janitorial, and Construction services to Federal, State, and Local agencies—always meeting the highest standards of quality, safety, and compliance. That is why we commit to:
Delivering Dependable Service: Consistent, detail-oriented work performed with efficiency, professionalism, and accountability.
Ensuring Full Compliance: Strict adherence to all Federal, State, and Local regulations, contractual obligations, and safety protocols.
Prioritizing Security & Integrity: Upholding confidentiality, secure work practices, and the ethical standards required in government environments.
Supporting Mission Readiness: Maintaining and improving facilities so agencies can remain focused on their operational priorities.
Driving Value & Efficiency: Implementing sustainable, cost-effective practices that maximize performance and protect taxpayer resources.
Our team is skilled, trained, and dedicated to delivering safe, efficient, and high-quality maintenance, janitorial, and construction services.
What Sets Our Team Apart:
Experienced Professionals: Years of hands-on expertise in facilities management, janitorial services, and construction.
Certified & Skilled: Trained in modern cleaning technologies, safety protocols, and industry best practices.
Customer-Focused: Services tailored to each client’s unique needs to ensure satisfaction and long-term relationships.
Reliable & Efficient: Known for consistent, timely, and dependable service delivery.
Attention to Detail: Quality-driven approach to every task, from routine maintenance to specialized projects.
Safety & Compliance: Strict adherence to all local, state, and federal safety standards and regulations.
Innovative Solutions: Use of modern tools and techniques to boost efficiency and reduce costs.
Teamwork & Collaboration: Strong communication and coordination within our team and with clients.
Maryland MBE (#23-038)
Baltimore MBE (#22380353)
Prince Georges County MBE (#24-320)
MHIC (#159823)
8(a) & WOSB Certified
236220 Commercial & Building Construction
238210 Electrical Wiring Installation
238220 Plumbing Heating & Air Conditioning
238310 Drywall and Insulation
238320 Painting and Wall Covering
238330 Flooring Contractor
561720 Facilities Support Services
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