Window Caulking Services in NYC

Worn or cracked caulk around your windows can lead to drafts, moisture intrusion, and higher energy costs.

Simon's provides professional window caulking services throughout New York City to help improve comfort, seal gaps, and protect your home or building from the elements. Whether you’re dealing with air leaks, water staining, or aging exterior sealant, our team delivers clean, durable results.

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Simon's Guarantee

On Time

We work efficiently and show up prepared, so you get great results without long wait times or a mess left behind.

Peace of Mind

Our white-glove approach makes the process easy, with clear communication and fair, transparent pricing.

Satisfaction

If something isn’t right, we make it right. Your satisfaction is always guaranteed.

Why Window Caulking Matters

man on ladder cleaning a home's exterior windows

Over time, window caulk can dry out, crack, shrink, or pull away from the frame. When that happens, small gaps can allow air and moisture to enter, even if the window itself is still in good condition.

Professional caulking can help:

  • Reduce drafts and improve comfort
  • Prevent moisture intrusion and water damage
  • Improve energy efficiency by sealing air leaks
  • Protect window frames and surrounding materials
  • Extend the life of existing windows

Signs Your Windows Need New Caulking

You may benefit from window caulking if you notice:

  • Visible cracks, gaps, or missing caulk
  • Drafts near windows (especially in colder months)
  • Moisture, condensation, or water staining around frames
  • Peeling paint or deterioration near window edges
  • Increased noise or airflow from outside

If you’re not sure, we’re happy to take a look and recommend the best next step.

Tech cleaning window from inside apartment

Our Caulking Process

window cleaning overlooking NYC

At Simon's, we focus on careful prep and clean finishing so your windows are sealed properly and look great when we’re done.

Our caulking service may include:

  • Removing damaged or failing caulk (as needed)
  • Cleaning and preparing the surface for proper adhesion
  • Applying high-quality sealant with a neat, even finish
  • Inspecting surrounding areas for gaps or problem spots

Residential & Commercial Caulking Services

You may benefit from window caulking if you notice:

  • Visible cracks, gaps, or missing caulk
  • Drafts near windows (especially in colder months)
  • Moisture, condensation, or water staining around frames
  • Peeling paint or deterioration near window edges
  • Increased noise or airflow from outside

If you’re not sure, we’re happy to take a look and recommend the best next step.

Two technicians on a terrace roof washing a skylight window

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Get a Free Estimate

Ready to set up regular window cleaning in NYC?

Contact Simon's today for a free estimate
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Best Window Cleaning Company in New York City

Providing you with an amazing customer experience and spotless clean windows is our passion. The benefit of hiring us is we come to you trusted by hundreds of your neighbors.

In fact we have 741+ 5-star Google reviews… and counting!

Frequently Asked Questions

How much does caulking cost?

Pricing depends on the number of windows, the size of the areas being sealed, and the condition of the existing caulk. Simon's offers fair, competitive pricing and can provide a free estimate based on your specific project.

How often should window caulking be replaced?

It depends on the age and condition of the sealant, exposure to weather, and the materials around the window. We can inspect your windows and recommend whether re-caulking is needed.

How long does window caulking last?

In many cases, caulking can last several years. However, factors like sunlight, moisture, temperature changes, and building movement can cause it to wear sooner. If you notice cracking or gaps, it may be time for replacement.

How do I know if my windows need new caulking?

Common signs include visible cracks or missing caulk, drafts near windows, moisture or water staining around frames, and peeling paint near window edges.

Should you caulk inside windows?

In some cases, interior caulking can help reduce drafts and improve comfort. Our team can recommend whether interior and/or exterior sealing is best for your windows.

Do you offer caulking for both residential and commercial properties?

Yes. Simon's provides caulking services for homes, apartments, and brownstones, as well as offices, storefronts, and other commercial buildings throughout NYC.