Goldston, NC
13 miles southwest
Median home built 1963 (Pittsboro: 2002); Its NOAA station logs about 320 fewer heating degree days than Pittsboro's
Attic insulation in GoldstonAttic Insulation in Pittsboro, NC
Blown-in attic insulation for Pittsboro, NC, in Chatham County, plus removal and air sealing.
About Pittsboro and Its Homes
Pittsboro, the Chatham County seat, was laid out in 1787 with its courthouse set in a circle where four streets meet. Its 2000 district nomination records houses there from the early 1800s through the 1920s bungalows of Grove Park, and much newer neighborhoods now ring the old core.
Pittsboro, in Chatham County, grew from 4,563 people in 2020 to 5,054 in 2025 (Census Bureau estimates), on 5.49 square miles. That makes Pittsboro the second-largest town in Chatham County.
Pittsboro has about 2,000 housing units, 6 percent of Chatham County's; about 70 percent of the town's households own their home.
Pittsboro at a Glance
- County: Chatham County
- Population: 5,054 (2025), 4,563 (2020), up 10.8%
- Land area: 5.49 square miles (921 people each)
- Housing units: about 2,000 (±218)
- Median year built: 2002 (±3); Chatham County: 1998
- Owner-occupied: 70% (±9); Chatham County: 81%
- Detached houses: 71% (±8); Chatham County: 77%
- Attached houses: under 10%
- Apartments: 21% (±8)
- Mobile homes: 4% (±3)
- Climate zone: 4 (state code), 3 (2021 map)
- ENERGY STAR target for Pittsboro attics: R-49 from bare, R-38 over 3 to 4 inches (R-value guide)
Census Bureau estimates for Pittsboro, 2020 to 2024 (± margin of error).
Pittsboro Homes and Their Attics
Houses Grown Room by Room Near the Courthouse
The old town around the courthouse circle became a National Register district in 2000. Its nomination notes several houses that started in the early 1800s as one-room dwellings, one of them enlarged into the early twentieth century. A house added onto across a hundred years can hold wiring from several eras. Knob-and-tube wiring, the kind installed before about 1930, is a fire risk wherever insulation surrounds it, ENERGY STAR says. So the old circuits are the first thing an electrician looks at, and live knob-and-tube is left with nothing on top of it.
Bungalows and Log Houses in Grove Park
Grove Park, in the district's northwest corner across from Chatham Mills, was laid out as a subdivision in 1925 and filled in slowly through the Depression. The district nomination describes its bungalows, one built in 1926 from a Sears kit, and several one-story log houses from the 1930s. The county's architectural nomination notes the bungalow style's wide projecting roofs. Under a low, wide roof the attic pinches down toward the eaves, which is where ENERGY STAR says insulation can run thin. Baffles keep the soffit vents open so insulation can be carried out to the walls.
Attic Insulation in Pittsboro
If the joists show above the insulation in a Pittsboro attic, ENERGY STAR says to add more insulation.
The Local Climate
Pittsboro's center sits about 410 feet above sea level, 14 miles from NOAA's Chapel Hill 2 W station, the best match for Pittsboro. The station's 1991 to 2020 normals average about 3,500 heating and 1,610 cooling degree days a year, so at Pittsboro's station, heating needs outweigh cooling.
Homes by Age: What It Means for the Attic
About 71 percent of Pittsboro housing units are detached single-family houses.
Built from 1970 to 1989, about 15 percent of Pittsboro homes may hold settled fiberglass; check its depth against the joists. In 2010 or later, about 25 percent of Pittsboro homes went up; check their air sealing as well as the depth.
About 10 percent of Pittsboro's housing units predate 1980; nearly all predate the state's 1978 insulation rule too.
Homes by Year Built
- Before 1940: under 2%, about 15 units
- 1940s: under 1%
- 1950s: under 3%, about 25 units
- 1960s: 7% (±6), about 145 units
- 1970s: under 5%, about 45 units
- 1980s: 12% (±7), about 250 units
- 1990s: 19% (±8), about 380 units
- 2000s: 32% (±10), about 630 units
- 2010s: 18% (±7), about 370 units
- 2020 or later: 7% (±5), about 150 units
Air Sealing and Duct Sealing in Pittsboro
In Pittsboro, about 43 percent of homes heat with electricity and about 53 percent with piped gas; forced air from either moves through ducts.
Air sealing comes first, as the EPA advises: wire and pipe holes, wall tops and soffits.
How Homes Here Are Heated
- Electricity: 43% (±8), about 830 households; Chatham County: 50%
- Piped gas: 53% (±10), about 1,020 households
- Bottled or tank gas: 4% (±3), about 75 households
Power, Gas and Rebates
Duke Energy supplies Pittsboro's electricity. For gas, Pittsboro is in the Chatham County franchise of Enbridge Gas North Carolina, and about 53 percent of the town's homes heat with piped gas. Duke's free House Call fits many Pittsboro homes: about 43 percent heat with electricity.
Rebate to check in Pittsboro: Smart $aver Insulate and Seal (Duke Energy; Insulation Pros is an approved trade ally). Before a job in Pittsboro, check its current terms; the Chatham County page lists every program.
Attic Insulation Removal in Pittsboro
In a Pittsboro attic, only wet, moldy or animal-soiled insulation is vacuumed out (ENERGY STAR's test), once the cause is fixed, and after mice that Pittsboro attic is sanitized and deodorized; dry, clean insulation stays.
Also Serving Near Pittsboro
Nearest to Pittsboro first.
Carrboro, NC
14 miles north
Median home built 1988 (Pittsboro: 2002); 20,962 people, about 4 times Pittsboro's population
Attic insulation in CarrboroChapel Hill, NC
16 miles northeast
63,565 people, about 13 times Pittsboro's population
Attic insulation in Chapel HillSanford, NC
16 miles south
Median home built 1985 (Pittsboro: 2002); Power from Duke Energy Progress (Pittsboro: Duke Energy)
Insulation contractor serving SanfordSiler City, NC
16 miles west
Center about 200 feet higher than Pittsboro's
Attic insulation in Siler City
Pittsboro Insulation FAQs
Are there historic district rules for attic work in Pittsboro?
Not that the public records show. The district's National Register listing alone sets no limits, the State Historic Preservation Office says, for an owner using private money on a private property. No historic preservation commission appears among the town's advisory boards, and the state roster from 2023 has none in Chatham County. Attic insulation is indoor work. New roof or gable vents change the outside, so check with town planners first.
Why is the room over the garage in my newer Pittsboro house hard to keep comfortable?
Often because its floor sits over the garage, which is outside the heated part of the house. Most homes here date from 1970 or later, the Census figures on this page show, and the town approved the large Chatham Park plan in 2015. Building America advises air sealing a floor over a garage when there is living space above, with the insulation pressed full against the subfloor. We insulate garages as well as attics.
Does attic insulation in Pittsboro need a permit?
Pittsboro Town Hall can say whether Chatham County Building Inspections, the town itself or another office handles permits in Pittsboro; ask before work starts.
Helpful Guides
- Median home built 2002: a hot upstairs and bonus rooms over garages
- Power from Duke Energy: high summer electric bills and home energy audits
Sources
Census Bureau figures for Pittsboro, NOAA normals for the Chapel Hill 2 W station, Duke Energy (October 2026). Compiled by Insulation Pros. How the town pages are made.
Sources for the Pittsboro notes and questions (read October 20, 2026):
- Pittsboro, in The North Carolina Gazetteer (William S. Powell, 2nd ed., UNC Press 2010), NCpedia
- Pittsboro Historic District, National Register nomination (NC HPO)
- Chatham Park, Planning Division, Town of Pittsboro
- NC Listings in the National Register of Historic Places, NC State Historic Preservation Office
- Attic Insulation Project, ENERGY STAR
- Chatham County Multiple Resource Nomination, National Register (NC HPO)
- Adding Attic Insulation, ENERGY STAR do-it-yourself guide
- About Attic Ventilation, ENERGY STAR do-it-yourself guide
- What Is the National Register of Historic Places?, NC State Historic Preservation Office
- Advisory Boards, Town of Pittsboro
- Historic Preservation Commission Staff in North Carolina, listed by county, as of 2/20/2023 (NC HPO)
- Year Structure Built (table B25034), Pittsboro town, American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau via Census Reporter
- Floor Above Garage, Building America Solution Center (Pacific Northwest National Laboratory, U.S. DOE)
Pittsboro, NC
Open in Google Maps (opens in a new tab)Serving Pittsboro, NC
Insulation Pros is an insulation contractor serving North Carolina, Pittsboro and the rest of Chatham County included.
Reach us
Send the square footage of your Pittsboro attic, or call (336) 870-3893.