KowskiDevelopmentLLC

El Paso, Texas

901
 Sales

4.9 (141)

3 years
on Etsy

4.9 (141)

901
 sales

3 years
on Etsy

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901
 Sales

4.9 (141)

3 years
on Etsy

4.9 (141)

901
 sales

3 years
on Etsy

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Announcement

Last updated on Jan 28, 2026

Welcome to Kowski Development LLC, Where Innovation Meets Simplicity

At Kowski Development, we focus on making signage easy, versatile, and fully customizable. From private property notices to court markers, our signs are built to fit any setting and purpose you choose.

What makes us unique? Every sign comes with pre-fitted metal wiring and our signature Twist Connect system, including a twisting tool that allows you to securely install your sign with ease. No extra tools or hassle, just twist, tighten, and you're done.

Made from durable, UV-resistant, 3D-printed PETG, each sign is built to last and comes with a one-year warranty. Plus, you can personalize the size, color, and text to match your exact needs.

Twist Connect Signs is part of Kowski Development LLC, a family-owned business dedicated to creating quality products that make life simpler.

Thank you for being a part of our journey!

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Kowski Development

Reviews

4.9 (141)

Average item review

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

Marjie on Jul 4, 2026

5 out of 5 stars

Love it, good and sturdy

No Poop & Pee Zone Yard Sign – Weatherproof 3D Text, Easy Install

No Poop & Pee Zone Yard Sign – Weatherproof 3D Text, Easy Install
Long on Apr 6, 2026

5 out of 5 stars

Recommend. Great sign. Fast delivery.

No Poop & Pee Zone Yard Sign – 8"x10", 10"x12", or 11"x13", Outdoor Stake Sign, Easy Install, Weatherproof PETG, Raised 3D Text, Made in USA

No Poop & Pee Zone Yard Sign – 8"x10", 10"x12", or 11"x13", Outdoor Stake Sign, Easy Install, Weatherproof PETG, Raised 3D Text, Made in USA
Beryl on Mar 18, 2026

5 out of 5 stars

Thank you for the quick delivery

The MEGA-Pickleball, Signature Ball with Marker, Pickleball Gift, Flat Bottom, Autograph Keepsake, 6.5" x 6.5" x 6", Custom Options, 3D PETG

The MEGA-Pickleball, Signature Ball with Marker, Pickleball Gift, Flat Bottom, Autograph Keepsake, 6.5" x 6.5" x 6", Custom Options, 3D PETG
Britta on Jul 22, 2026

5 out of 5 stars

Great sign. Just what we were looking for.

Custom Decorative Wall Sign – Personalized Text, Multiple Sizes, Colors & Mounting Options, Indoor/Outdoor, Made in USA

Custom Decorative Wall Sign – Personalized Text, Multiple Sizes, Colors & Mounting Options, Indoor/Outdoor, Made in USA
emily on Jul 19, 2026

5 out of 5 stars

Signs look very professional in my garden

Custom Landscaping Stake Sign, No Mowing No Cutting No Pesticides Yard Sign, Garden Lawn Care Marker, Do Not Cut Plants Outdoor Sign

Custom Landscaping Stake Sign, No Mowing No Cutting No Pesticides Yard Sign, Garden Lawn Care Marker, Do Not Cut Plants Outdoor Sign
Nathalie on Jul 15, 2026

5 out of 5 stars

Beautiful signs. They look great. Already got a lot of compliments. Height quality product. Highly recommended Also very proactive and amazing company. I didn’t received the product and assumed it had been delay due to the 4th of July and to my request to change the delivery address. Customer service reach out to me and took care of the issue! Received the product right away.

Custom No Dogs on Lawn Sign, Custom Yard Stake Sign, Personalized Outdoor Lawn Sign, Custom Garden Warning Sign, Pet Lawn Sign

Custom No Dogs on Lawn Sign, Custom Yard Stake Sign, Personalized Outdoor Lawn Sign, Custom Garden Warning Sign, Pet Lawn Sign
Julie on Jul 1, 2026

5 out of 5 stars

Great item! Have bought many, and will continue to buy more. Thank you!

Mini PickleHeart Keychain – Cute Pickleball Gift for Her, Fun Team Favor, Bag Charm, Pickleball Accessories, Purse Keys, Valentines Day Gift

Mini PickleHeart Keychain – Cute Pickleball Gift for Her, Fun Team Favor, Bag Charm, Pickleball Accessories, Purse Keys, Valentines Day Gift
Robert on Jun 26, 2026

5 out of 5 stars

Love the sign-idea comes to life

Custom No Dogs on Lawn Sign, Custom Yard Stake Sign, Personalized Outdoor Lawn Sign, Custom Garden Warning Sign, Pet Lawn Sign

Custom No Dogs on Lawn Sign, Custom Yard Stake Sign, Personalized Outdoor Lawn Sign, Custom Garden Warning Sign, Pet Lawn Sign
Paul on Jun 12, 2026

5 out of 5 stars

There was an issue with the order but they sent me a new one quickly. And the final correct product is very nice.

Custom Invisible Dog Fence Sign, Personalized Boundary Marker Stake, Outdoor Pet Fence Warning Sign, Wireless Dog Fence Yard Sign

Custom Invisible Dog Fence Sign, Personalized Boundary Marker Stake, Outdoor Pet Fence Warning Sign, Wireless Dog Fence Yard Sign
Etsy buyer on Jun 12, 2026

5 out of 5 stars

Perfect for our needs! And well made.

Custom No Delivery Trucks Yard Sign – Custom Text, Weatherproof Stake, Made in USA

Custom No Delivery Trucks Yard Sign – Custom Text, Weatherproof Stake, Made in USA

About KowskiDevelopmentLLC

Kowski Development

Sales 901

On Etsy since 2023

Kowski Development

About Kowski

Founded by two brothers with a lifelong love for tennis, we've transitioned from players to coaches and now to creators of innovative sports products. Drawing from our extensive experience on the court, we're dedicated to enhancing sports facilities across various disciplines, including tennis and pickleball. Our mission is simple: to elevate the sporting experience for all athletes. Thank you for considering our products as we look forward to serving you with excellence.

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Kowski Development

Owner

A family-owned and operated product development business specializing in sports facility equipment. Our passion for sports, especially pickleball and tennis, led us to create products that enhance the overall sports experience for everyone.

Shop policies

Last updated on

Accepted payment methods

Accepts Etsy Gift Cards and Etsy Credits

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Featured items

Tennis Court Number Sign

Pickleball Court Number Sign

Custom Dog Name Invisible Dog Fence Sign, Personalized Pet Contained Yard Sign, Outdoor Dog Warning Stake Sign, Weatherproof Garden Sign

No Pooping Dog Shape- Dog Pooping Yard Sign

All items

Custom Invisible Dog Fence Sign, Personalized Boundary Marker Stake, Outdoor Pet Fence Warning Sign, Wireless Dog Fence Yard Sign

Custom No Dogs on Lawn Sign, Custom Yard Stake Sign, Personalized Outdoor Lawn Sign, Custom Garden Warning Sign, Pet Lawn Sign

Custom Yard Stake Sign – Do Not Block Driveway, No Parking, No Delivery Trucks, Hand Stop Icon, Weatherproof, Made in USA

Custom No Delivery Trucks Yard Sign – Custom Text, Weatherproof Stake, Made in USA

Custom Landscaping Stake Sign, No Mowing No Cutting No Pesticides Yard Sign, Garden Lawn Care Marker, Do Not Cut Plants Outdoor Sign

Custom Dog Poop Sign – Personalized Yard Waste Reminder, Weatherproof PETG

No Poop & Pee Zone Yard Sign – Weatherproof 3D Text, Easy Install

Please No Delivery Trucks on Driveway Yard Stake Sign- Easy Ground Install

Por Favor No Bloquee la Entrada Garden Sign – Weatherproof 3D Entrance Sign, Made in USA

Custom Children at Play Sign – HOA Compliant, Weatherproof, USA Made

Custom Dog Name Invisible Dog Fence Sign, Personalized Pet Contained Yard Sign, Outdoor Dog Warning Stake Sign, Weatherproof Garden Sign

Custom No Littering Yard Sign – Weatherproof Outdoor Stake

Custom Birthday Yard Sign – Personalized Party Welcome Stake, Made in USA

Custom Yard Stake Sign – Personalized Outdoor Lawn Sign

Stake Private Property No Trespassing Sign – Bilingual Yard Stake

Custom Yard Stake Sign – Personalized Outdoor Message, HOA Reminder

Custom Baseball Helmet Yard Sign – Personalized Team Decor, Made in USA

Bilingual Please Do Not Litter Yard Stake Sign

Custom Yard Stake Sign- Personalized Book Garden Decor

Custom Yard Stake Sign- Personalized Inground Sign

Please Do Not Block Driveway Yard Stake Sign- Easy Ground Install

Stake Private Property No Trespassing Sign – Bilingual

No Pooping Dog Shape- Dog Pooping Yard Sign

Custom Landscaping Stake Sign, No Mowing No Trimming No Pesticides Garden Marker, Plant Protection Yard Sign

Custom Yard Stake Sign – Plant Stake Sign, Cute Porch Plant Marker, Memorial Garden Sign, Pet Memorial Plant Label, Planter Decor

Custom Neighborhood Reminder Yard Sign – Custom Text

Custom House Yard Stake Sign – Personalized Message, HOA Sign

No Littering Yard Sign – Bilingual English Spanish

Custom Football Helmet Yard Sign – Player Name

Holiday Address Yard Stake Sign – Christmas

Custom Pine Tree Address Sign – Personalized House Number Stake, Weatherproof

Custom Airplane Address Sign – Personalized House Number Stake

Custom Holiday Address Stake – Christmas Yard Decor, Made in USA

No Parking Yard Sign – Weatherproof 3D Raised Lettering, Easy Install

No Pedestrian Yard Sign – Weatherproof 3D Printed Property Marker

Car-Shaped No Parking Yard Sign – 3D Raised Lettering

Announcement

Reviews

About KowskiDevelopmentLLC

Shop members

Kowski Development

Shop policies

Returns & exchanges

Seller details