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Nassau County· Window Replacement

Window Replacement in Port Washington, NY

Professional window replacement and installation services for Port Washington homeowners. Energy-efficient vinyl, double-hung, casement, and bay windows installed by Nassau County's licensed and insured window experts.

Serving Port Washington and all of Nassau CountyLicensed & Insured — HIC #H22031500004.9 Stars — 387+ verified reviews2,840+ windows installed since 2011

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Why Port Washington Homeowners Choose Us

Port Washington sits on a peninsula jutting into Manhasset Bay, giving many homes direct waterfront or water-view exposure. The housing stock includes stately 1920s and 1930s colonials and Tudors on Sands Point Road, mid-century colonials throughout the flats, and contemporary waterfront properties along the harbor. The North Shore salt-air environment accelerates seal failure and frame corrosion even on premium windows — most Port Washington homeowners we see are replacing 15 to 20-year-old units that have lost their insulating gas fill through frame micro-failures. North Shore buyers in this price range strongly prefer the Andersen 400 Series and Pella Architect Series for wood-clad authenticity that matches older home character. For a typical Port Washington colonial with 18 to 22 windows, the Andersen 400 Series double-hung costs approximately $900 to $1,400 per window installed — versus $600 to $900 for the Andersen 200 Series vinyl. Most Port Washington addresses fall under the Town of North Hempstead building department. Permit fees are $200 filing plus $50 per window. NYSERDA Clean Energy rebates of $200 to $600 per window and PSEG Long Island rebates of $50 to $150 per window apply to qualifying ENERGY STAR installations here.

16,117
Population
$1,050,000
Median Home Value
Colonials and Tudors on waterfront lots
Primary Housing Stock

What You Get With WCLI

  • Licensed & insured in Nassau County (HIC #H2203150000)
  • Free in-home estimates with transparent pricing
  • Energy Star certified windows from top manufacturers
  • Professional installation by our own W-2 crews
  • Lifetime manufacturer warranty on all windows
  • Complete cleanup and haul-away of old windows
We replaced all 20 windows in our 1935 Port Washington Tudor with Andersen 400 Series wood-clad units. The historic character is completely preserved while the performance is night and day compared to the old wood originals. No more fogged glass or rattles in the bay winds.
Catherine M., Port Washington

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Our Services

Window Services We Offer in Port Washington

Every window replacement and installation service we provide is available to Port Washington homeowners. Click any service to learn more.

Common Questions

Window Replacement FAQs — Port Washington, NY

What window brand is best for a Port Washington home near the water?

For Port Washington colonials and Tudors on or near Manhasset Bay, the Andersen 400 Series wood-clad double-hung is the most popular choice. The real-wood interior preserves the character of period homes while the maintenance-free aluminum exterior cladding resists the salt-air corrosion that destroys unprotected wood frames. For homeowners who want the Andersen look at a lower price point, the Andersen 200 Series offers a vinyl frame with simulated wood interior at $200 to $300 less per window installed. Pella Architect Series is the alternative premium choice for Tudor-character homes.

How much does window replacement cost in Port Washington, NY?

Port Washington window replacement costs range from $600 to $1,400 per window installed depending on brand and series. Andersen 200 Series vinyl double-hung units run $650 to $950 installed. Andersen 400 Series wood-clad double-hungs run $900 to $1,400. A whole-house project on a Port Washington colonial with 18 to 22 windows typically runs $12,000 to $28,000 including Town of North Hempstead permits, which cost $200 filing plus $50 per window.

Do Port Washington windows need to be rated for salt-air exposure?

Yes. Port Washington homes within half a mile of Manhasset Bay benefit from vinyl or aluminum-clad frames rated for coastal exposure — these resist the pitting and oxidation that standard aluminum frames develop within 8 to 12 years of salt-air exposure. For all Port Washington properties, we use marine-grade flashing tape and foam insulation around every frame opening during installation to block moisture infiltration paths that the bay's humid air exploits.

What is the Andersen 400 vs 200 difference for Port Washington homes?

The Andersen 400 Series has a wood interior with aluminum-clad exterior — authentic wood look, maintenance-free outside. It costs $200 to $300 more per window than the 200 Series. The Andersen 200 Series is an all-vinyl frame with a simulated wood grain interior. For Port Washington homes in historic waterfront zones or period Tudor/colonial neighborhoods, the 400 Series matches the architectural character better and typically adds more resale value in this market. For standard colonials on the flats, the 200 Series is the better value.

Serving Port Washington as part of our window installation Long Island service — Nassau and Suffolk County’s trusted window replacement company. Free in-home estimates, licensed crews, 10-year workmanship warranty.

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Port Washington homeowners trust Window Company Long Island for expert window replacement. Call today for your free, no-obligation estimate.

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