Experts in Turn-Key Construction & Remediation Services

On Time, on Budget, with Safety First

America's Fastest Growing Veteran Owned Businesses logo
A group of employees smiling together.

Who We Are

SanDow Construction, Inc., is a full-service General and Environmental Contractor with turn-key Construction Services.

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.

Engineers taking a look of the situation of the construction.

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.

Engineer talking to construction workers what to do.

Our Services

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

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

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

We Have the Construction Experience You Need with Unmatched Customer Service

Government Projects

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Construction Icon


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Commercial Rebuilds Icon

Commercial Rebuilds

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Commercial Add Ons

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!

SanDow Construction Inc. 5000 Award Logo 2021.

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...

  • United States Department of Labor Headquarters
  • National Institute of Standards & Technology
  • US Army Corps. of Engineers
  • VA Hospital
  • United States Navy: Carderock, Washington Navy Yard, Patuxent River, and Naval Research Lab
  • National Institutes of Health
  • NASA, Goddard

Photo Gallery

SanDow Construction Inc. 5000 Award Logo 2021.
HubZone certified logo.
Service Disabled Veteran Owned Small Business Logo.
SBA(8) a certified logo.
Engineer talking to a client.

Our Mission

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

Engineer showing his client the construction site.

Our Vision

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

See Our Brochure

Core Values

Image of core values of SanDow Construction.

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.

A portrait of Ricardo Santiago of SanDow Construction Inc.

Ricardo Santiago, CEO

A portrait of Kasmera Downey of SanDow Construction Inc.

Kasmera Downey, COO

A portrait of Andre Downey of SanDow Construction Inc.

Andre Downey,
General Manager

A portrait of Alan Auslaender of SanDow Construction Inc.

Alan Auslaender,

Vice President of Operations

A portrait of Eric Douglas Watley of SanDow Construction Inc.

Eric Douglas Watley,

Branch Manager

A portrait of Marion Thomas of SanDow Construction Inc.

Marion "Curt" Thomas, Estimator/Project Manager 

We Are Proud Members Of

Associated Builders and Contractors Logo
Associated General Contractors Logo
Maryland Minority Contractors Association, Inc. Logo
Washington Building Congress Logo
PFC Black Chamber Logo

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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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