Wake Forest, NC
4 miles south
Median home built 2009 (Youngsville: 2007); 58,147 people, about 24 times Youngsville's population
Attic insulation in Wake ForestAttic Insulation in Youngsville, NC
Blown-in attic insulation for Youngsville, NC, 4 miles from Wake Forest, plus removal and air sealing.
About Youngsville and Its Homes
Youngsville was settled about 1839, went by Pacific at first, was incorporated in 1875, and now carries the name of local landowner John Young. It was a stop on the Raleigh and Gaston line, and the state has recorded few of its older buildings, so each attic here is judged house by house.
Youngsville, in Franklin County, grew from 2,094 people in 2020 to 2,461 in 2025 (Census Bureau estimates), on 1.85 square miles. That makes Youngsville the third-largest town in Franklin County.
Youngsville has about 1,060 housing units, 3 percent of Franklin County's.
Youngsville at a Glance
- County: Franklin County
- Population: 2,461 (2025), 2,094 (2020), up 17.5%
- Land area: 1.85 square miles (1,330 people each)
- Housing units: about 1,060 (±242)
- Median year built: 2007 (±5); Franklin County: 1997
- Owner-occupied: 63% (±13); Franklin County: 79%
- Detached houses: 75% (±11); Franklin County: 72%
- Attached houses: under 5%
- Apartments: 20% (±7)
- Mobile homes: under 6%
- Climate zone: 4 (state code), 3 (2021 map)
- ENERGY STAR target for Youngsville attics: R-49 from bare, R-38 over 3 to 4 inches (R-value guide)
Census Bureau estimates for Youngsville, 2020 to 2024 (± margin of error).
Youngsville Homes and Their Attics
Newer Youngsville Houses With Rooms Over the Garage
The Census counts on this page put most Youngsville homes in 1970 or later. If your newer house here has a room built over the garage, it may be the one room that never feels right. Its floor sits over an unheated space, and its side walls back onto attic. Building America guidance is to air seal the floor over the garage and keep the insulation pressed up against the subfloor, with no gap under it. The short side walls get the same attention. Insulating the garage itself is also work we do.
Attic Insulation in Youngsville
About 20 percent of Youngsville's homes predate 1970; if your joists show above the insulation, ENERGY STAR says to add more insulation.
In 2010 or later, about 45 percent of Youngsville homes went up; check their air sealing as well as the depth.
The Local Climate
Youngsville's center sits about 470 feet above sea level, 10 miles from NOAA's Falls Lake station, the best match for Youngsville. The station's 1991 to 2020 normals average about 3,820 heating and 1,320 cooling degree days a year, so at Youngsville's station, heating needs outweigh cooling.
Youngsville sits about 200 feet above the station, so expect slightly colder winters.
Homes by Age: What It Means for the Attic
About 75 percent of Youngsville housing units are detached single-family houses.
From 1990 to 2009, about 30 percent of Youngsville homes were built to codes below ENERGY STAR's target; check their eaves, where ENERGY STAR says insulation is often thinnest.
About 20 percent of Youngsville's housing units predate 1980; nearly all predate the state's 1978 insulation rule too.
Homes by Year Built
- Before 1940: 11% (±8), about 115 units
- 1940s: under 2%
- 1950s: 5% (±4), about 55 units
- 1960s: under 7%, about 35 units
- 1970s: under 3%, about 15 units
- 1980s: 6% (±3), about 60 units
- 1990s: 8% (±7), about 85 units
- 2000s: 21% (±8), about 220 units
- 2010s: 38% (±12), about 400 units
- 2020 or later: 6% (±4), about 65 units
Air Sealing and Duct Sealing in Youngsville
In Youngsville, about 59 percent of homes heat with electricity; where that heat is forced air, ducts often run through the attic.
Air sealing comes first, as the EPA advises: wire and pipe holes, wall tops and soffits.
How Homes Here Are Heated
- Electricity: 59% (±8), about 600 households; Franklin County: 72%
- Piped gas: 39% (±12), about 400 households
- Bottled or tank gas: under 3%, about 10 households
Power, Gas and Rebates
Duke Energy Progress serves most of Youngsville, Wake Electric its edges; your bill says which. For gas, Youngsville is in the Franklin County franchise of Enbridge Gas North Carolina, and about 39 percent of the town's homes heat with piped gas. Duke's free House Call fits many Youngsville homes: about 59 percent heat with electricity.
Rebate to check in Youngsville: Smart $aver Insulate and Seal (Duke Energy; Insulation Pros is an approved trade ally). Before a job in Youngsville, check its current terms; the Franklin County page lists every program.
Attic Insulation Removal in Youngsville
In a Youngsville attic, only wet, moldy or animal-soiled insulation is vacuumed out (ENERGY STAR's test), once the cause is fixed, and after mice that Youngsville attic is sanitized and deodorized; dry, clean insulation stays.
Also Serving Near Youngsville
Nearest to Youngsville first.
Franklinton, NC
6 miles north
Median home built 1959 (Youngsville: 2007)
Attic insulation in FranklintonRolesville, NC
7 miles south
Median home built 2013 (Youngsville: 2007); Power from Duke Energy (Youngsville: Duke Energy Progress)
Attic insulation in RolesvilleLouisburg, NC
12 miles northeast
Power from its own town system (Youngsville: Duke Energy Progress); Center about 250 feet lower than Youngsville's
Attic insulation in LouisburgCreedmoor, NC
13 miles northwest
Median home built 1995 (Youngsville: 2007); 5,046 people, about twice Youngsville's population
Attic insulation in Creedmoor
Youngsville Insulation FAQs
Is any Youngsville house on the National Register or under district rules?
None inside the town, as far as state records go. The nearest listing, the William A. Jeffreys House, is recorded as outside the town limits. The 2023 state list of local commissions shows only Louisburg's in Franklin County. When the county updated its survey in 2015, it marked 53 buildings in Youngsville as worth recording in a later phase. So older houses here are on the state's radar, but no historic rules apply to attic work.
We bought one of the older houses near the old Youngsville rail stop. What gets looked at first?
The things that can make insulating unsafe. Youngsville was a stop on the old Raleigh and Gaston line and was incorporated in 1875. Some houses near the center may be old enough for knob-and-tube wiring, and an electrician clears that before insulation goes near it. Where a brick flue rises through the ceiling, we fit metal flashing around it and a guard that holds the fill away. Damp insulation means the roof leaks, and that repair comes before anything new goes in.
Does attic insulation in Youngsville need a permit?
Youngsville Town Hall can say whether Franklin County Building Inspections, the town itself or another office handles permits in Youngsville; ask before work starts.
Helpful Guides
- Median home built 2007: a hot upstairs and bonus rooms over garages
- Power from Duke Energy Progress: high summer electric bills and home energy audits
Sources
Census Bureau figures for Youngsville, NOAA normals for the Falls Lake station, Duke Energy Progress (October 2026). Compiled by Insulation Pros. How the town pages are made.
Sources for the Youngsville notes and questions (read October 20, 2026):
- Youngsville, in The North Carolina Gazetteer (William S. Powell, 2nd ed., UNC Press 2010), NCpedia
- Franklin County Architectural Survey Update, 2015 (Coastal Carolina Research for Franklin County and the NC HPO)
- Year Structure Built (table B25034), Youngsville town, American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau via Census Reporter
- Floor Above Garage, Building America Solution Center (U.S. Department of Energy, PNNL)
- Attic Air Sealing Project, ENERGY STAR
- NC Listings in the National Register of Historic Places, NC State Historic Preservation Office
- Historic Preservation Commission Staff in North Carolina, listed by county, as of 2/20/2023 (NC HPO)
- Franklinton Depot, National Register nomination (NC HPO)
- Attic Insulation Project, ENERGY STAR
- Furnace Flues Require Special Sealing Techniques, ENERGY STAR do-it-yourself guide
Youngsville, NC
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Insulation Pros is an insulation contractor serving North Carolina, Youngsville and the rest of Franklin County included.
Reach us
Send the square footage of your Youngsville attic, or call (336) 870-3893.