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920-213-7970
Featured Work
Baymont by Wyndham — Appleton
Hotel addition built from the ground up, plus a full interior remodel — every wall, floor, and bathroom redone.
Winneconne Railroad Depot
Historic refurbishment of the 1871 depot for the Winneconne Historical Society.
Truck Stop Showers
Shower remodel with large-format tile — a high-end finish for the over-the-road drivers who use them daily.
The Vault Darts & Pool Hall — New London
Complete pool hall build-out.
Smith Park Caboose — Menasha
Refinished the interior and exterior of the Menasha Historical Society's 1909 Wisconsin Central caboose — full containment, spray finish, and the lettering and 104 shield hand-painted.
Custom Showers
Custom walk-in showers: tiled niches, built-in benches, dual rain heads.
The Dragon's Den — New London
Complete bar interior build-out. Winner of the 2024 Beautification Chamber Award. The original copper bar lives on — John saved copper from the old bar and clad the back wall with it.
Newberry Mobil — Appleton
Structural steel beams installed, and the beer cooler designed and built.
The Builder's Own Home
John and Amy designed and built their own home from the ground up — this kitchen is John's design. If we'd build it for our own family, imagine what we'll build for yours.
The Dragon's Den — back bar, copper wall
Smith Park Caboose — during the refinish
The Dragon's Den — 2024 Beautification Chamber Award
Smith Park Caboose — spray work in containment
Smith Park Caboose — finished rear
Smith Park Caboose — pavilion tented for the refinish
Services
Lead Safe Renovator
Lead Safe Renovator
Roofing
Tear-offs, re-roofs, and exposed-fastener steel roofing.
Gutters
Seamless gutters and downspouts, plus gutter guards.
Attic Insulation
Blown-in attic insulation to stop heat loss.
Bathrooms
Bath remodels, custom showers, and tile work.
Garages & Additions
Garages built ground-up, plus home additions.
Apartment Maintenance & Unit Turns
Maintenance contracts and make-ready unit turnovers for landlords and apartment communities.
Siding
House wrap and siding, installed together and done right.
Egress Windows
Code-compliant egress windows and window well covers.
Kitchens
Full kitchen remodels — cabinets, counters, tile.
Basements
Finished basements and egress solutions.
New Home Construction
Ground-up new homes, designed and built.
About LeksIII Construction
Founded in 2009 by John Leksander, LeksIII Construction runs commercial and residential work across the Fox Cities. John designed and built his own family's home from the ground up — the same standard goes into every hotel, bar, and kitchen with the LeksIII name on it.
Experience Highlights
• Hotels built & remodeled — Baymont by Wyndham, Appleton
• Bars & restaurants built out — The Vault, The Dragon's Den, Tipsy Turtle
• Historic restoration — the 1871 Winneconne Railroad Depot and the 1909 Smith Park Caboose
• Retail & franchise work — Wendy's, Panda Express, Nike, Gap, Old Navy, Burlington, Big Lots, Red Roof
• Ground-up new homes, garages & additions
• Apartment maintenance contracts & unit turns
State Licensed Building & Electrical Contractor • Since 2009 • EPA Certified • Lead Safe Renovator • A+ BBB Rating • Menards Preferred Contractor • 4.4★ on Google
Why LeksIII
One Call, One Crew
Commercial and residential under one roof — no juggling contractors.
Repeat Business
SG Petroleums keeps LeksIII working across four properties — the Vault, the Tipsy Turtle, Newberry Mobil, and the New London Travel Plaza.
Historic Work Done Right
Hand-painted lettering, original copper saved and reused — details other crews skip.
Menards Preferred Contractor
Menards recommends LeksIII to its own customers.
CLIENTS
Also: Winneconne Historical Society · Menasha Historical Society · Newberry Mobil · SG Petroleums
Proudly Serving the Fox Cities — and Beyond
All 11 Fox Cities communities — Appleton, Menasha, Neenah, Grand Chute, Fox Crossing, Kaukauna, Little Chute, Kimberly, Combined Locks, Greenville, and Harrison — plus Winneconne, Omro, Oshkosh, and New London.
What Customers Say
4.4 stars on Google — 13 reviews
★★★★★
Joseph W. — Garage Build, Oshkosh
Praised the communication, the framing, roofing and siding, and the permit paperwork handled start to finish.
★★★★★
Ashley Brewer — Laundry Relocation
Washer and dryer moved upstairs — plumbing and electric done in a day, up to code.
★★★★★
Pigeon Transport — Truck Stop Remodel
Five stars for the truck stop showers, floor, and stairs remodel.
CONTACT
Inquiries
For any inquiries, questions or Quotes, please call:
920-213-7970 or fill out the following form
Employment
To apply for a job with LEKSIII Constuction, please send a cover letter together with your resume to: Leksiiiconstruction@gmail.com
Get a free quote: 920-213-7970
LEKSIII Mailing Address & Headquarters
​
7273 Oak Hill Rd,
Omro, WI
54963
