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Unincorporated community · Suffolk County, New York

Home Improvement Contractors in Mastic Beach, NY

Mastic Beach is an unincorporated community in Suffolk County; building permits are issued by the county. Every trade we cover, for homes in Mastic Beach. 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 Mastic Beach home dates from 1971, 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 Mastic Beach

Census and NOAA figures for the community of Mastic Beach in Suffolk County, not the metro, with a source for each.

1971Median year built1U.S. 1980
75%Built before 198014% built since 2010
1971Owner-occupied median year built1rentals 1975
96%Detached single-family11% in 5+ unit buildings
82%Owner-occupied154% statewide
$357kMedian home value1New York median $424k

The median home in the community of Mastic Beach was built in 1971, older than the U.S. median of 1980 and newer than the New York median of 1959. That is in line with the Suffolk County median of 1970.1 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: 75% of Mastic Beach's housing units were built before 1980 (U.S. 50%), and only 4% since 2010. The largest single share, 40%, dates from 1960-1979. That makes it a newer stock than Suffolk County as a whole (68% built before 1980).1 On houses from the 1960s and 1970s, the routine checks are aluminum branch wiring, galvanized supply lines and original single-pane windows.

Owner-occupied homes in Mastic Beach are older than rentals: a median build year of 1971 against 1975.1 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 Mastic Beach is mostly detached single-family: 96% of units, with 1% 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 Mastic Beach: 82% of occupied homes are owner-occupied, above the New York share of 54%.1 The median owner-occupied home in Mastic Beach is valued at $357,200 (ACS), below the New York median of $423,800. Within Suffolk County the median is $578,400, so Mastic Beach sits below it.1 With values below the state median, phased scopes - the essential work first - are a common way to keep a project sensible. Winters are long: the Shirley Brookhaven Ap station averages 104 nights a year at or below 32°F and 30 at or below 20°F.2,3 Long winters put freeze-thaw, ice dams and snow load at the center of roofing and masonry decisions.

Hot days are uncommon: about 7 days a year reach 90°F.2,3 Rainfall is substantial: about 44 inches a year, 11 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. Heating dominates the year: about 5,346 heating degree days against 784 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.

Mastic Beach 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. Mastic Beach sits in IECC climate zone 4A (Mixed-Humid).6 Building permits in Mastic Beach 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 Mastic Beach housing units by year built
Before 19404.8%
1940-195929.9%
1960-197940.2%
1980-199916.3%
2000-20095.2%
2010 or later3.7%
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 Shirley Brookhaven Ap, 4.2 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 Mastic Beach quote

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

Service area

Mastic Beach and nearby

Requests for Mastic Beach 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

Mastic Beach questions

How much does home remodeling cost in Mastic Beach, NY?

Most home remodeling projects in Mastic Beach, 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 Mastic Beach?

The median home in the community of Mastic Beach was built in 1971, older than the U.S. median of 1980 and newer than the New York median of 1959. That is in line with the Suffolk County median of 1970. The stock is old by national standards: 75% of Mastic Beach's housing units were built before 1980 (U.S. 50%), and only 4% since 2010. The largest single share, 40%, dates from 1960-1979. That makes it a newer stock than Suffolk County as a whole (68% 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 Mastic Beach?

Building permits in Mastic Beach 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 Mastic Beach quote

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