From panel upgrades to full rewiring, Marquardt Electric delivers expert residential and commercial electrical work you can count on — safely, on time, and within budget.
Trusted Local
Watertown, SD
What We Do
Whether it's a quick repair or a major upgrade, we bring expertise and care to every job — big or small.
Modernize your electrical panel to safely handle today's power demands — from 100A to 200A service.
Interior and exterior lighting design and install — from recessed lights to landscape illumination.
Safe, code-compliant rewiring for older homes and thorough diagnostics for electrical problems.
Standard, GFCI, and smart outlet installation — plus switch upgrades for convenience and safety.
Level 2 electric vehicle charging stations for your home — installed safely and ready to go.
Full-spectrum electrical services for homes, offices, retail spaces, and everything in between.
Local
Watertown, SD
About Us
Marquardt Electric is a locally owned and operated electrical contracting business serving Watertown, South Dakota, and the surrounding communities. We understand the unique electrical needs of homes and businesses in this region — from older homes needing panel upgrades to new constructions requiring modern wiring.
We take pride in showing up on time, explaining the work clearly, and leaving your space clean when we're done. Every job gets the same attention to detail and commitment to safety, whether it's a simple outlet swap or a complete commercial rewire.
100%
Code-Compliant Work
Local
Watertown-Based
Licensed
& Insured
Fair
Upfront Pricing
Our Work
A glimpse at the quality and care we bring to every electrical project in the Watertown area.
Panel Upgrade
Residential · Watertown
Kitchen Lighting
Residential · Remodel
Office Rewire
Commercial · Downtown
EV Charger
Residential · Level 2 Install
Landscape Lighting
Residential · Outdoor
Smart Switches
Residential · Automation
Testimonials
Hear from homeowners and business owners across Watertown who trust Marquardt Electric.
"Marquardt Electric upgraded our 1960s panel and completely rewired the first floor. They were professional, on time, and left everything spotless. Highly recommend!"
Sarah M.
Watertown, SD
"We needed a complete commercial rewire for our new office space. Marquardt Electric handled everything from permit to inspection — no headaches, just great work."
Robert T.
Business Owner, Watertown
"They installed an EV charger and new recessed lighting in our garage. Fair price, clean work, and they explained everything before starting. Will call again!"
Linda K.
Watertown, SD
Get in Touch
Whether you need a quick repair or a full-scale electrical upgrade, we're here to help. Reach out for a free, no-obligation quote — we respond same business day.
