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Walls in New Jersey homes: what to know before mounting a TV or building a media wall

New Jersey has one of the older housing stocks in the country: over a third of units were built before 1960, including many plaster-walled homes and brick rowhouses in cities like Newark, Jersey City and Hoboken. Along the Hudson and in suburban garden-apartment towns, multifamily buildings with concrete, masonry or metal-stud walls are very common.

median year homes were built
1971
median year homes were built
built in 2000 or later
18.4%
built in 2000 or later
built before 1960
36.4%
built before 1960
single-family homes
61.9%
single-family homes
in buildings with 5+ units
22.5%
in buildings with 5+ units
mobile homes
0.9%
mobile homes

Source: U.S. Census Bureau, ACS 2024 1-year (tables B25035, B25034, B25024)

Common wall types

Wood-frame stud walls

Where: Most suburban single-family houses across Bergen, Monmouth, Morris and Ocean counties.

Mounting: Studs are typically 16 inches on center; lag mounts into studs.

Plaster on lath

Where: Pre-1950s houses and apartments throughout northern and central New Jersey.

Mounting: Plaster is brittle and lath hides studs. Locate framing, pre-drill slowly and use toggles only when a stud is not available.

Brick rowhouses and masonry

Where: Jersey City, Hoboken, Newark, Paterson and Trenton neighborhoods, where rowhouses are brick, two to three stories with a basement.

Mounting: Interior walls are often plaster on brick or lath. Anchor into brick faces with masonry anchors, not mortar joints, and use toggles in plaster.

Poured concrete and metal-stud apartment walls

Where: High-rise towers on the Hudson waterfront, Fort Lee, Edgewater and Newark; about 13% of units are in buildings with 20 or more units.

Mounting: Concrete needs a hammer drill and concrete anchors; metal studs need toggle-style anchors. Associations often require approval and a COI.

Basement block or poured concrete walls

Where: Suburban basements across the state.

Mounting: Use concrete screws or sleeve anchors; furred walls need framing located first.

Tips before you mount

  • Stud walls: studs are usually 16" on center. Lag the mount into at least two studs with 5/16" lag bolts, typically about 2.5" to 3" long. A full-motion arm puts far more leverage on the wall than a flat mount, so it needs studs or masonry and should never hang on drywall anchors alone.
  • Plaster walls: find framing with a stud finder, pre-drill slowly and use 3/8" toggle bolts or snap toggles when no stud is within reach. Never mount a heavy arm on plaster alone.
  • Brick walls: use 1/4" concrete screws or 3/8" sleeve anchors with a hammer drill, drilling into the solid brick face rather than mortar joints. Old soft brick can crumble, so use a smaller pilot and test first.
  • Metal studs in apartments: use snap toggles rated for the load or ask the installer to add blocking.
  • Hiding wires: the National Electrical Code (NEC 400.12) does not allow a regular TV power cord to be concealed inside a wall. Use an in-wall rated recessed power kit, and choose low-voltage cable rated CL2 or CL3 for in-wall HDMI and speaker runs. In brick or concrete, plan a paintable surface raceway.
  • Condos, co-ops and HOAs: many buildings require written approval to drill, and a certificate of insurance (COI) from the installer is common. Confirm before the work day.
  • Fireplaces: keep TVs out of the heat path above an active firebox unless the TV maker's temperature rating allows it, and do not mount heavy sets on old chimney brick.
  • Terraces and porches: coastal Jersey Shore salt air and winter freeze-thaw call for outdoor-rated TVs and stainless hardware.
  • Before work starts, tell the installer the wall type (studs, plaster, masonry or concrete), the TV size and weight, and the mount type. These change the anchors, labor time and price.

Sources: Census Reporter, ACS 2024 1-year: New Jersey (B25035, B25034, B25024) · National Register of Historic Places: Hinchman-Lippincott House (brick masonry, plaster lath) · Jersey Digs: Brick Row House near Hamilton Park, Jersey City (rowhouse construction). General guidance only — your installer will confirm the right method for your wall.