Making Homes Sparkle Since 1994

Experience why hundreds of people in Princeton and the surrounding area choose Gem Home Maintenance.

A few things we're really good at...

All your home services are guaranteed

100% Happiness Guarantee

Proud to be life long New Jersey residents.

We love New Jersey. In fact, we, the owners, are life long residents of New Jersey. We have an emotional investment in making our hometown beautiful. This affects the way we go about doing business and the methods that we employ.

We take the environment into consideration and use non-toxic environmentally friendlybiodegradable cleaning products that are safe for your home and family. These are the very same products that we use to clean our own home.

GEM Window Cleaning takes pride in doing quality work and providing top-notch service. We will work hard for your repeat business and your referral. This is what has made us the industry leader in the Princeton, NJ area. All of our work is backed by a 100% customer satisfaction guarantee. We are not satisfied unless you are!

A deck in Princeton NJ restored by deck cleaning and staining services
Restore your deck to looking like it was brand new.
Home Advisor screened and approved

Home Advisor Screened & Approved

Roof being cleaned by Gem Home Maintenance
Don't take risks, let our roof cleaning experts do the job.

Get the complete package with GEM Home Maintenance.

GEM has built an excellent reputation as a premier provider of home services by impressing home owners and their neighbors for over 15 years.  At GEM we believe "A Well maintained home reflects beautifully on its owner and service provider."

Originally established as experts in exterior and interior window cleaning, GEM has expanded over the years as many satisfied customers requested additional services. GEM Window Cleaning now offers professional Deck Cleaning, Asphalt Sealing, Roof Cleaning, Power Washing, and Gutter Cleaning.

We proudly serve Princeton, Bell Mead, Hillsboro, and the surrounding areas including Middlesex, Somerset, Burlington, and Bucks Counties.

They were on time, and friendly. The team of three cleaned our windows with very little disruption to me. I was impressed with how they cleaned my 22 foot high windows and my cathedral. Highly recommend them!

Suz O., Manalapan, NJ 

Read more reviews

The GEM difference.

We are a family owned and operated business founded in 1994 - that's 20 years of expertise in home maintenance serving the residents of Princeton, NJ. Finding a good cleaning contractor you can trust with your home can be a difficult task. For the last 20 years, residents and business' in the Princeton area have recommended GEM Window Cleaning as the best choice for meticulous home and business cleaning.

Our level of work makes us highly sought after by those who require the absolute best in home care. Some of our notable clients include the Johnson & Johnson family and theGovernors Mansion which chose us for their home maintenance needs. Our goal is to offer to every one of our clients an unbeatable experience, both in quality of work and friendly service.

Roof in Princeton NJ being cleaned
Roof cleaning in progress at a local residence.
3 day rain guarantee

3 Day Rain Guarantee

A gutter thoroughly cleaned by Gem Home Maintenance
A nice clean gutter protects your investment.

We are your gutter cleaning specialists.

Keeping gutters flowing freely will let you sleep with ease knowing your largest investment is protected and not covered in debris. Clogged, leaky gutters cause water damage, foundation problems and mold issues. This service is recommended at least twice a year to prepare for and clean up after the harsh winter months. Ask about scheduling together with your window cleaning for a same day, multi service discount.

Preferred vendor of Keller Williams Realty for all their home selling preparations

Preferred Vendor of Keller Williams Realty

Exterior home staging with GEM Home Maintenance.

Whats the Number one improvement when selling your home? Clean Windows!
According to “MONEY” magazine, professional window cleaning yields the #1 return on investment for all pre-sale improvements! An investment with a 768% return is a must do!

Home-Staging has become a must in selling homes. Giving the potential buyer a better visual imagery to see what the home could look like. But, there is one problem. 75% of homeowners make a decision BEFORE they even enter the house! What is the outside of your home and the curb appeal of your listing showcasing? The only way to make a great first impression of your home is to ensure the outside invites them Inside!

Realtor Magazine Online states that the fourth thing a seller must do before putting their home on the market is to clean the windows and window coverings.

Make your listing a GEM listing andout shine your competition! Call us for an estimate on any GEM service and ask about our Realtor Referral Discount.

Pay for GEM Services Online

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Were we work...
  • Princeton, NJ
  • Skillman, NJ
  • Montgomery, NJ
  • Belle Mead, NJ
  • Hillsboro, NJ
  • Hopewell, NJ
  • Pennington, NJ
  • West Windsor, NJ
  • Princeton Junction, NJ
  • Moorestown, NJ
  • Mt. Laurel, NJ
  • Freehold, NJ
  • Manalapan, NJ
  • Marlboro, NJ
  • Branchberg, NJ
  • Crosswicks, NJ
  • Hamilton, NJ
  • Columbus, NJ
  • Rocky Hill, NJ
  • Kendall Park, NJ
  • Somerset, NJ
  • Yardley, PA
  • Newton, PA
  • Franklin Park, NJ
  • Plainsboro, NJ
  • Monmouth Junction, NJ
  • Cranbury, NJ
  • Monroe, NJ
  • Allentown, NJ
  • Chesterfield, NJ
  • Bordentown, NJ
  • Titusville, NJ
  • Ewing, NJ