We Deliver Expert Remediation, Decontamination, and Construction Services Safely on Time and on Budget.

About Us.

SanDow Construction, Inc., is a full-service General and Environmental Contractor.

We are CVE certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Minority-Owned, and a Small Business Administration (SBA) 8(a) Certified Company, as well as HUBZone Certified. We serve clients in the greater Washington, DC metro area, Throughout the Mid-Atlantic, and Nationwide.

Who We Serve.

Government - We proudly serve Government and public institutions at all levels, including Municipal, County, State, & Federal Governments.

Commercial - We provide remediation & construction service for Commercial Offices, Retail Stores, Restaurants, Hospitals & Medical Centers, Hotels, and more.

Industrial - We have a host of services Manufacturing facilities, Flex Buildings, Warehouses, Storage, and Data Centers.

Our Services.

Remediation & Decontamination Services Covid-19 Decontamination, Asbestos Abatement ,Mold Abatement, Lead Abatement, Lead Paint Stabilization, Hazardous Waste Remediation

Construction Services
General Construction, Design-Build Construction, Interior Renovations, Tenant Fit Out, Demolition

Skilled Trades Services
Mechanical, Electrical, & Plumbing, Carpentry, Painting, Flooring, Duct Cleaning

We are here to help during the COVID-19 Pandemic.

We provide a full suite of services such as disinfection, deep cleaning, and decontamination response teams for all infrastructure levels.

For nearly ten years, SanDow has been dealing with the remediation and abatement of hazardous materials and has the experience, equipment, and teams necessary to tackle the current challenges presented by COVID-19.

Our trained and experienced Bio-hazard response crews are equipped with the highest-grade personal protective equipment and follow all Federal, State, and Local Government protocols when dealing with bio-hazardous and contaminated material. SanDow uses highly effective and hospital-grade disinfecting agents for our decontamination response, deep cleaning, and disinfection services.

SanDow also specializes in industry-standard containment of hot zones on projects where needed.

Our Clients and Past Performance

With our decades of experience, we have a deep roster of successful projects for a large variety of organizations, including...

  • VA Hospital
  • Bowie High School
  • US Department of Labor HQ
  • National Institutes of Health
  • NASA, Goddard
  • Navy Yard Power Plant
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Our Mission

To safely deliver superior projects & services for our clients through our Team members for the advancement of the communities we proudly serve.

Our Vision

To be a leading Innovator and Regional provider of professional services and technologies for construction, abatement, environmental remediation, and decontamination services.

Core Values

Our Team

Our highly skilled and experienced team brings decades of remediation, decontamination, and construction experience to ensure your project is a completed successfully on-time and on budget.

Ricardo Santiago, CEO

Kasmera Downey, COO

Andre Downey,
General Manager

Alan Auslaender,

Senior Project Manager

Eric Douglas Watley,

Branch Manager

Marion "Curt" Thomas, Estimator/Project Manager 

We Are Proud Members Of

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Get In Touch


SanDow Construction Inc 4300 48th Street Bladensburg MD 20710



222 Elm Street, Ste. 4
North Haven, CT 06473-3260


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