Exterior by Design

Exterior by Design Exterior By Design is a home improvement organization that is located in Harmony NJ. Call today for a free estimate 908-637-4070 NJ REG.

With over 30 years experience, Gene Mackowiak will transform your home to better than its original glory.

Vinyl Replacement Windows my specialty!
02/19/2026

Vinyl Replacement Windows my specialty!

Spring is around the corner! 🌹🍀It's time to book your next project with Exterior by Design... I Specialize in vinyl repl...
02/19/2026

Spring is around the corner! 🌹🍀
It's time to book your next project with Exterior by Design...
I Specialize in vinyl replacement windows to expert vinyl / aluminum siding and deck repairs. Get your estimates in early for timely scheduling and completion on future work.
Thanks Gene Mackowiak 908 637 4070 leave a message!

As always Exterior by Design is on to the next project!Vinyl replacement windows with work in progress!
10/24/2025

As always Exterior by Design is on to the next project!
Vinyl replacement windows with work in progress!

Another work day and another window installed. Work in progress...
10/18/2025

Another work day and another window installed. Work in progress...

Today's work..A awning style window installation in progress!
10/17/2025

Today's work..
A awning style window installation in progress!

Today's work..A small shed roof for a friend.
10/15/2025

Today's work..A small shed roof for a friend.

My new pantry from nothing to something usable...
10/11/2025

My new pantry from nothing to something usable...

My retro bathroom renovation...
10/10/2025

My retro bathroom renovation...

New posts and handrails installed.
10/09/2025

New posts and handrails installed.

A new attic pull down staircase installation!
10/09/2025

A new attic pull down staircase installation!

Another great day on the water with Captain Phil Weber and Billy Manos! I caught my 1st trigger fish with an endless ca...
10/06/2025

Another great day on the water with Captain Phil Weber and Billy Manos! I caught my 1st trigger fish with an endless catch of seabass. We boated 2 trigger fish, 2 blue fish, 1 blow fish, 11 keeper seabas, 3 short black fish and Bill Mano hooked up with a Big fish which eventually broke him off and never getting a visual on the fish...🐋

1st burn free heat!
10/02/2025

1st burn free heat!

Address

689 MARBLE Hill RD
Phillipsburg, NJ
08865

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm

Telephone

+19086374070

Website

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