South Carolina window replacement leads
Summit Leads supplies window replacement leads in South Carolina through real-time ping/post, exclusive by default, with filters down to the ZIP code. The state code for new window work is still the 2009 IECC, per the DOE code page (checked October 7, 2026), and half of the housing stock dates from 1992 or later.
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South Carolina facts for window replacement lead buyers
| Fact | Value Source |
|---|---|
| ENERGY STAR window climate zones | Spans more than one zone (map, August 2025)ENERGY STAR Windows, Doors and Skylights Climate Zone Map (August 2025) U.S. EPA ENERGY STAR |
| IECC 2021 climate zones | Zone 3A in 44 counties and zone 2A in 2 (PNNL for DOE, 2021 county data)Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) Pacific Northwest National Laboratory for the U.S. Department of Energy |
| Residential energy code | 2009 IECC, no state amendments listed, adopted April 2, 2012, effective January 1, 2013 (DOE, checked October 7, 2026)Building Energy Codes Program: South Carolina U.S. Department of Energy |
| Median year structure built | 1992 (ACS 5-year 2020-2024)Table B25035, Median Year Structure Built: South Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Housing units built before 1980 | 32.8% (ACS 5-year 2020-2024, table B25034)Table B25034, Year Structure Built: South Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Housing units built 2000 to 2009 | 445,622, the largest decade group (ACS 5-year 2020-2024, table B25034)Table B25034, Year Structure Built: South Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Median home value | $259,000 (ACS 5-year 2020-2024, table B25077)Table B25077, Median Value (Dollars): South Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Residential builder and specialty contractor thresholds | Builder: undertakings over $5,000; specialty contractor: over $500 (S.C. Code 40-59-20, checked October 7, 2026)S.C. Code Title 40, Chapter 59, Residential Builders (Section 40-59-20, Definitions) South Carolina Legislature |
Last reviewed: October 7, 2026. A summary for education, not legal advice.
South Carolina still builds to the 2009 IECC
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
On the Department of Energy's South Carolina status page (checked October 7, 2026), the current residential state code is the 2009 IECC. The page gives an adoption date of April 2, 2012, an effective date of January 1, 2013, and answers "No" in the state amendments row. A window crew that also works across the state line may be meeting a different code edition there, so buyers who serve two states check each state's page.
For a lead buyer, the code year matters mostly through the job description. A request to replace every window in the house is a different job from a single broken sash, and the request form can record which one the homeowner wants.
Climate zones for South Carolina windows
The building code and the window rating program each draw their own lines. The DOE county guide, PNNL-33270 (2021 county data), puts 44 of the state's 46 counties in IECC zone 3A and the other 2, Beaufort and Jasper on the southern coast, in zone 2A. In DOE's lettering, A stands for moist, so every South Carolina county falls on the moist side. A crew that covers Beaufort and Jasper counties along with the rest of the state is working across two IECC 2021 zones, which is one reason buyers set coverage by county or ZIP code.
ENERGY STAR does not place the whole state in a single window zone. Its climate zone map (August 2025) shows South Carolina crossing more than one ENERGY STAR window zone, so a buyer who sells to a product standard looks up each county or ZIP code in the official ENERGY STAR zone finder before setting coverage.
A younger housing stock, by Census count
South Carolina homes are newer than the national stock. The median year built is 1992 in table B25035 (ACS 5-year 2020-2024), and table B25034 (ACS 5-year 2020-2024) shows 32.8% of housing units built before 1980.
The largest single decade in that table B25034 (ACS 5-year 2020-2024) is 2000 to 2009, with 445,622 units. Those homes were 15 to 25 years old in 2025, and a buyer who wants to reach their owners, or to exclude them, can ask for the approximate year the house was built on the request.
The median value of an owner-occupied home is $259,000 in table B25077 (ACS 5-year 2020-2024). Buyers who scale bids to home value or to the number of openings can set filters for either.
Contractor licensing that reaches window work
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
South Carolina sets dollar thresholds in statute. Under S.C. Code 40-59-20 (checked October 7, 2026), a residential builder is one who constructs or improves a residential structure when the undertaking costs more than $5,000, and a residential specialty contractor is one whose specialized trade work exceeds $500. The same section lists carpenters and vinyl and aluminum siding installers among the specialty trades that receive a registration, and it bars a specialty contractor from work outside the scope of that registration.
The Residential Builders Commission overview and the state's home sales cancellation rule are on leads in South Carolina.
Fields South Carolina window buyers set
- Home age: separates the large group of 2000s homes from the older pre-1980 stock described above.
- Number of windows and scope: a full set or a few openings, which sets the job size against the statute's dollar thresholds.
- Homeowner status: the person on the request owns the house and can sign.
- ZIP code: needed to match the right ENERGY STAR zone and the counties a crew covers.
Where buyers filter in South Carolina
Three South Carolina metros of similar size sit in the Upstate, the Midlands and on the coast. The six largest metro areas below use the Census Bureau's July 1, 2025 estimates, and the Charlotte figure covers its full two-state area, most of which is in North Carolina. Coverage is set by ZIP code, inside or outside these areas.
- Greenville-Anderson-Greer: 1,014,101 (July 1, 2025 estimate)
- Charleston-North Charleston: 889,263 (July 1, 2025 estimate)
- Columbia: 879,918 (July 1, 2025 estimate)
- Charlotte-Concord-Gastonia, NC-SC: 2,938,830 (July 1, 2025 estimate, whole metro area)
- Myrtle Beach-Conway-North Myrtle Beach: 427,551 (July 1, 2025 estimate)
- Spartanburg: 407,656 (July 1, 2025 estimate)
Source: Metropolitan and Micropolitan Statistical Area population estimates, Vintage 2025 (cbsa-est2025-alldata), U.S. Census Bureau.
Consent records for South Carolina window replacement leads
A South Carolina window lead reaches the buyer with the TCPATCPAThe Telephone Consumer Protection Act, the federal law that governs telemarketing calls and texts, autodialers, prerecorded voice messages and the Do Not Call Registry. Glossary consent record captured when the homeowner submitted the request. For the state's own calling rules, see its row in the state telemarketing laws table; the page covering MVA and all home improvement verticals together is leads in South Carolina.
South Carolina window replacement lead questions
Which energy code edition does South Carolina list for homes?
The 2009 IECC, effective January 1, 2013, with no state amendments listed, on the DOE South Carolina page (checked October 7, 2026). This is general information, not legal advice.
Is all of South Carolina in one IECC climate zone?
No. PNNL-33270 for DOE (2021 county data) lists 44 counties in zone 3A and 2 in zone 2A.
What job size triggers South Carolina residential builder licensing?
S.C. Code 40-59-20 defines a residential builder by undertakings costing more than $5,000, and a residential specialty contractor by work over $500, on the South Carolina Legislature code page (checked October 7, 2026). This is general information, not legal advice.
How many South Carolina homes were built in the 2000s?
The Census Bureau counts 445,622 units built from 2000 to 2009, the largest decade group, in table B25034 (ACS 5-year 2020-2024).
Request South Carolina window replacement leads
Email us the South Carolina ZIP codes you cover, your daily volume or caps and how you take delivery. ReturnReturnA buyer's request for credit on a lead that fails agreed standards, such as a disconnected number, a duplicate or a lead outside the filters. Glossary terms are agreed on the onboarding call, before you go live.
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