Cumberland CountyLocal guide
Chimney Care in Cumberland County, NJ: What Homeowners Should Know
Cumberland County holds New Jersey's largest municipal historic district in Bridgeton, plus Vineland's 1860s planned streets and Millville's glassmaking downtown. About one home in six predates 1940, and fuel oil still heats about 14% of homes. The low, marshy land near Delaware Bay keeps masonry damp, and winter nights freeze. Inspect yearly and keep water out of old brick.
Victorian Bridgeton, planned Vineland, glassmaking Millville
The Bridgeton Historic District covers a quarter of the city and more than 2,000 properties, the largest such district in any New Jersey municipality, and it has been on the National Register since 1982. Large Victorian homes and a downtown built from the 1880s to the 1920s dominate it, along with neighborhoods of gingerbread-trimmed doubles built as working-class housing.
Vineland's first houses went up in 1862, and its founder, Charles Landis, required buyers to build a house within a year and to leave room between houses and roads for trees and flowers. Landis Avenue is still the main street. In Millville, James Lee opened the area's first glass factory in 1806 using local silica sand and wood, and the downtown now has the Glasstown Arts District.
Farther out, the county is farm country. Seabrook Farms in Upper Deerfield was once the largest irrigated truck farm in the world, and Deerfield Township was formed as a precinct in 1748. Census estimates for 2024 put about 17% of the county's homes before 1940, with the 1960s the busiest decade at about 17%.
Bay marsh, spring rain and winter frost
Cumberland is a low-lying coastal county on Delaware Bay, with many salt marshes near the shore and a high point of only about 140 feet in Upper Deerfield. Its climate is humid subtropical. In Bridgeton, average January lows are about 25 degrees Fahrenheit, and the record low is 13 below zero, set in January 1985.
Rain falls in every month, from about 2.9 inches in February to a peak of about 4.3 inches in March, so masonry often goes into its coldest weeks already wet. Brick that freezes while saturated is the brick that spalls, and crowns and mortar joints near the top of the chimney are where it shows first. Near the bay, damp salt air also speeds up rust on caps, chase covers and flashing.
Caring for older Cumberland chimneys
With so many 19th- and early 20th-century houses, much of the work here is maintenance on aging masonry.
- Victorian homes in Bridgeton often have several chimneys and flues; each one in use should be inspected, and unused flues should be capped so they do not collect water.
- In gingerbread doubles, a chimney may serve both halves of the building, so problems on one side can affect the other.
- Old brick is softer than modern brick, so repointing calls for a mortar that will not be harder than the brick itself.
- Check that older chimneys have a sound liner, especially if a modern furnace or water heater now vents into one.
Approvals in Bridgeton and elsewhere
Because the Bridgeton Historic District is so large, many city homeowners live inside it. When a property is landmarked or in a district the town regulates, chimney work that changes the exterior can need approval from the local historic preservation body, so ask before choosing new brick or a different cap. In Vineland, Millville and the townships, check with your town's building department about permits before a rebuild or a new liner. Deerfield Township's Beth Hillel synagogue, built in 1909, is also on the National Register.
Heating with oil and gas
Census estimates for 2024 put utility gas in about 64% of occupied homes in Cumberland County, electricity in about 18% and fuel oil in about 14%. In those oil homes, the boiler usually vents through a chimney.
Oil leaves soot and scale in the flue, and NFPA 211 calls for a yearly inspection plus a cleaning whenever that buildup accumulates. Gas flues stay cleaner but run wet, and condensation slowly breaks down old mortar and clay tiles from the inside.
