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Unincorporated community · Nassau County, New York

Home Improvement Contractors in Port Washington, NY

Port Washington is an unincorporated community in Nassau County; building permits are issued by the county. Every trade we cover, for homes in Port Washington. Tell us the project once and we connect you with licensed, insured contractors for it through one national line - and you compare written scopes. The median Port Washington home dates from 1953, so most jobs start with what is already there.

  • Licensed and insured contractors only
  • Written scope before work starts
  • No obligation on quotes
  • Local permit knowledge
Sourced local data

About homes in Port Washington

Census and NOAA figures for the community of Port Washington in Nassau County, not the metro, with a source for each.

1953Median year built1U.S. 1980
82%Built before 198014% built since 2010
1952Owner-occupied median year built1rentals 1957
72%Detached single-family117% in 5+ unit buildings
77%Owner-occupied154% statewide
$1,003kMedian home value1New York median $424k

The median home in the community of Port Washington was built in 1953, older than the U.S. median of 1980 and older than the New York median of 1959. That is in line with the Nassau County median of 1955.1 Older housing stock means a contractor's first job is finding what is behind the finish - wiring, plumbing and roof decking - before a price is final. The stock is old by national standards: 82% of Port Washington's housing units were built before 1980 (U.S. 50%), and only 4% since 2010. The largest single share, 37%, dates from 1940-1959. That makes it much the same age as Nassau County as a whole (85% built before 1980).1 On houses from the 1940s and 1950s, contractors routinely check for original cast-iron drains, two-wire electrical and undersized panels before pricing a remodel.

Owner-occupied homes in Port Washington are older than rentals: a median build year of 1952 against 1957.1 Where owner-occupied homes skew older, a repair-versus-replace conversation is the usual starting point rather than a like-for-like swap. Housing in Port Washington is mostly detached single-family: 72% of units, with 17% in buildings of five or more units.1 A mostly detached stock means the full range of exterior work applies: roofs, garage doors, chimneys and backyard units.

Home ownership is the norm in Port Washington: 77% of occupied homes are owner-occupied, above the New York share of 54%.1 The median owner-occupied home in Port Washington is valued at $1,003,200 (ACS), above the New York median of $423,800. Within Nassau County the median is $684,700, so Port Washington sits above it.1 Home values above the state median tend to support fuller scopes; the written scope should still separate must-do from nice-to-have. The New York Laguardia Ap station averages 62 nights a year at or below 32°F and 14 at or below 20°F.2,3 A real freeze season means masonry, roofing and exterior sealing are specified for freeze-thaw cycles.

Summer heat is moderate: about 22 days a year reach 90°F.2,3 Rainfall is substantial: about 45 inches a year, 12 days of it an inch or more.2,3 Heavy rainfall makes flashing, drainage and ventilation details the difference between a sound assembly and a wet one. Snowfall averages about 30 inches a year.2,3 Real snowfall means ice-and-water membrane, attic ventilation and roof load are standard parts of a roofing scope.

Heating dominates the year: about 4,376 heating degree days against 1,408 cooling degree days (base 65°F).2,3 In a heating-led climate, insulation and air sealing carry most of the energy-code weight for any work that opens the envelope. Port Washington is about 2 miles from the ocean or Gulf coast in a straight line.4,5 Proximity to salt air makes fastener grade and corrosion protection part of every exterior quote.

Port Washington sits in IECC climate zone 4A (Mixed-Humid).6 Building permits in Port Washington are normally issued by the county, as this is an unincorporated community.7,8 As an unincorporated community, permits and inspections run through the county.

Share of Port Washington housing units by year built
Before 194033.4%
1940-195936.6%
1960-197911.6%
1980-19997.7%
2000-20096.7%
2010 or later4%
Sources and notes (8)
  1. U.S. Census Bureau, American Community Survey 5-year estimates (ACS 2020-2024 5-year (released 2026-01))
  2. NOAA NCEI U.S. Climate Normals, nearest station (1991-2020 normals (published 2021))
  3. NOAA NCEI normals station inventory (1991-2020)
  4. U.S. Census Bureau Gazetteer files (2025)
  5. U.S. Census Bureau TIGER/Line coastline (2025)
  6. Guide to Determining Climate Zones by County: Building America and IECC 2021 Updates (PNNL-33270) (September 2022 (IECC 2021 county map))
  7. U.S. Census Bureau population estimates (Vintage 2024)
  8. U.S. Census Bureau geographic code files (2020)
  9. Climate figures are for NOAA station New York Laguardia Ap, 11 miles from the place center; housing figures are ACS ACS 2020-2024 5-year with 90% margins of error in the source tables.

Get a free Port Washington quote

Written scope, no obligation. Call now or email and we will get back to you.

Service area

Port Washington and nearby

Requests for Port Washington and the surrounding New York area go through our national line. Call (844) 624-3161 with the address and the project and we confirm whether we have a contractor who can take it on.

Nearest places with a page

Straight-line distances between place centers, not drive times.

Two-story white colonial house with black shutters and a central portico beneath mature bare trees.

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Questions

Port Washington questions

How much does home remodeling cost in Port Washington, NY?

Most home remodeling projects in Port Washington, NY land between $25,550 and $134,900, depending on scope, access and material grade. That is an estimated range for planning, not a quote - call (844) 624-3161 and we will scope your job properly.

Do I need drawings before calling?

No. If you have them, good - if not, we start from what you want to change and work back to what the house allows.

How old are the homes in Port Washington?

The median home in the community of Port Washington was built in 1953, older than the U.S. median of 1980 and older than the New York median of 1959. That is in line with the Nassau County median of 1955. The stock is old by national standards: 82% of Port Washington's housing units were built before 1980 (U.S. 50%), and only 4% since 2010. The largest single share, 37%, dates from 1940-1959. That makes it much the same age as Nassau County as a whole (85% built before 1980). Those are Census figures for the whole housing stock, including apartments, not a statement about any one house.

Who issues building permits in Port Washington?

Building permits in Port Washington are normally issued by the county, as this is an unincorporated community. Whether a specific job needs one is decided by that office; the contractor confirms it before work starts.

Get a free Port Washington quote

Written scope, no obligation. Call now or email and we will get back to you.