Attic Insulation in Lee County, NC

Attic insulation, insulation removal and air sealing for homes across Lee County, from Sanford and Broadway to every unincorporated road.

Lee County and Its Homes

Lee County grew 11 percent from 2020 to 2025, to 70,258 people by the Census Bureau's estimate, in about 27,200 housing units.

Its two incorporated towns each have a page here: Sanford and Broadway. About 50 percent of Lee County's housing units are inside town limits, the rest in unincorporated areas.

Sunny Main Street in Sanford with low brick storefronts and an old hardware store sign
Main Street in Sanford, North Carolina, in the former town of Jonesboro; Sanford is the largest town in Lee County. Photo: Indy beetle, CC0, via Wikimedia Commons

Lee County at a Glance

  • Population: 70,258 (2025), 63,388 (2020)
  • Housing units: about 27,200
  • Median year built: 1988 (North Carolina: 1991)
  • Built before 1980: 37% (statewide: 34%)
  • Detached houses: 68%
  • Mobile homes: 15%
  • Owner-occupied: 67%
  • Heated with electricity: 78% (statewide: 65%)
  • Climate zone: 3 (2021 map), 4 (state code)
  • Towns with pages here: 2

Census Bureau estimates for Lee County (housing: 2020 to 2024).

Towns in Lee County

  • Sanford

    34,138 people · median home 1985 · Duke Energy Progress

  • Broadway

    1,380 people · Duke Energy Progress

What We Do in Lee County

  • Attic Insulation in Lee County

    Some 37 percent of Lee County housing units predate 1980; joists showing above their insulation mean more blown-in fiberglass is due, R-49 from bare.

  • Attic Insulation Removal in Lee County

    Wet, moldy or animal-soiled insulation comes out of Lee County attics, and a mouse-soiled Lee County attic is sanitized and deodorized; in the 13 percent of homes built before 1960, vermiculite is ruled out first.

  • Air Sealing in Lee County

    Some 78 percent of Lee County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.

Homes in Lee County

Half of Lee County's 27,200 housing units were built before 1988: 21 percent before 1970, 37 percent before 1980 (nearly all before the state's 1978 insulation rule) and 13 percent in 2010 or later. The largest share went up in the 2000s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves.

Lee County by type: 68 percent detached houses, 16 percent in buildings of two or more homes and 15 percent mobile homes. In Lee County, 78 percent of homes heat with electricity, 13 percent with piped gas and 7 percent with tank gas.

Lee County Homes by Year Built

  • Before 1940: about 920 units, 3% (±1)
  • 1940s: about 730 units, 3% (±1)
  • 1950s: about 1,990 units, 7% (±1)
  • 1960s: about 2,170 units, 8% (±1)
  • 1970s: about 4,260 units, 16% (±2)
  • 1980s: about 4,480 units, 17% (±2)
  • 1990s: about 4,320 units, 16% (±2)
  • 2000s: about 4,800 units, 18% (±2)
  • 2010s: about 2,710 units, 10% (±1)
  • 2020 or later: about 790 units, 3% (±1)

Climate Across Lee County

NOAA 1991 to 2020 normals for Lee County towns, by station: Sanford 8 NE station (Sanford and Broadway): about 3,180 heating and 1,670 cooling degree days. NOAA's New Hill station, 20 miles from Sanford, has about 3,570 heating and 1,500 cooling degree days.

Power and Gas in Lee County

The card lists Lee County's town utilities by the territory maps; a power bill confirms the one at an address.

Enbridge Gas North Carolina holds the Lee County gas franchise (NC Utilities Commission map), and 13 percent of Lee County homes heat with piped gas.

Who Supplies Power in Lee County

  • Duke Energy Progress: Sanford and Broadway
  • Central Electric: homes near Sanford and Broadway

Energy Programs for Lee County Homes

Check each program's current terms for a Lee County home; some pay only through the utility's contractor network. Insulation Pros is an approved Duke Energy trade ally for Duke's rebate.

Programs for Lee County

Lee County Insulation FAQs

Do you serve all of Lee County?

Yes: Sanford and Broadway, and every unincorporated Lee County address.

Which utilities offer insulation rebates in Lee County?

Duke Energy's Smart $aver Insulate and Seal (Sanford and Broadway).

Does attic insulation in Lee County need a permit?

Ask Sanford/Lee County Building Permitting/Inspections before work starts. For an address in Sanford or Broadway, the town or city hall can tell you whether Lee County's office handles its permits.

Send the square footage of your Lee County attic, or call (336) 870-3893.

What You Can Count On

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Areas We Serve

We serve homes across North Carolina. These are the largest towns we work in.

Alamance County

Buncombe County

Cabarrus County

Cumberland County

Durham County

Forsyth County

Gaston County

Guilford County

Mecklenburg County

New Hanover County

Onslow County

Orange County

Pitt County

(336) 870-3893 Text us Mon–Fri 8am – 5pmSat By appointmentSun Closed 257-4 Grove Ct, Thomasville, NC 27360
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