Expert Remediation, Decontamination, and Construction Services

On Time, on Budget, with Safety First

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

692 out of 5000, 706% Growth

The Inc. 5000 ranks companies by overall revenue growth over a three-year period. All 5,000 honoree companies are individually profiled on Inc. also ranks the fastest-growing companies by industry, metro area, revenue, and number of employees, and we also highlight women and minority-run companies. We placed 692nd in this ranking in 2021, and will be aiming to do even better in the future!

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

Photo Gallery

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

The reason why Asbestos is called a “hidden killer” is that its ...


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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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