How Much Baseboard Do I Need? A Simple Guide for Long Island Homes
October 23, 2026Rachel Beaulieu

THE PROJECT LIST / LONG ISLAND
Refreshing one bedroom or planning trim for several rooms? Start with the walls, then turn that measurement into full boards. A little planning now helps you avoid a second trip when you reach the last wall.
Here’s a practical way to estimate baseboard, using Bargain Moulding’s COL514 / BB514PRF, 9/16″ × 5¼″ primed baseboard in 16-foot lengths as the example.

THE QUICK FORMULA
Wall lengths − areas without baseboard
+ cutting allowance → round up to full boards
1. Measure every wall that gets baseboard
Write down each wall run, including short returns, bump-outs and closet walls if they are part of the job. For a simple rectangular room, multiply the length by two and the width by two, then add them together.
Example: A 12 × 14-foot bedroom has a perimeter of 52 feet: 12 + 14 + 12 + 14 = 52.
2. Subtract the sections where trim stops
Subtract the actual lengths that will not receive baseboard, such as door-and-casing interruptions or the footprint of permanent floor-level cabinets. Measure where the baseboard will stop; a nominal door width alone may not equal that distance. Include closets, alcoves and returns that do receive trim.
For our example, assume the doorway interrupts exactly 3 feet of the baseboard run. That leaves 52 − 3 = 49 feet of trim to install.
3. Allow for cuts and layout
A 10% allowance is a useful planning starting point for a straightforward room. Consider 15% or more when you have many corners, angled walls, short returns or a complicated cutting layout. A percentage is an estimate; check how your individual wall runs fit the available board lengths.
For the example room: 49 × 1.10 = 53.9 feet, or approximately 54 feet including the allowance.
4. Round up to full 16-foot boards
Divide your estimated footage, including the allowance, by 16. Always round up to a whole board, then review your cut list before ordering.
53.9 ÷ 16 = 3.37 → 4 boards.
Four 16-foot boards provide 64 linear feet. Check that the planned cuts cover each wall; keep useful offcuts for short sections and returns.
COL514 material costs in Long Island
The regional listing checked on October 23, 2026 shows $15.84 per 16-foot board, equivalent to $0.99 per linear foot. The table uses full-board purchase quantities.
| Estimated footage | 16-ft boards | Footage purchased | Baseboard cost |
|---|---|---|---|
| About 54 ft — bedroom example | 4 | 64 ft | $63.36 |
| 250 ft — example project total | 16 | 256 ft | $253.44 |
| 500 ft — example project total | 32 | 512 ft | $506.88 |
Baseboard material only. Tax, delivery, installation, paint, fasteners and other trim are not included. Prices and availability can change; confirm your regional cart or quote.
Get to know the COL514 profile
COL514 combines a broad flat lower face with a shaped upper edge. Before ordering, compare the profile drawing with your existing trim or a sample, especially if you are extending baseboard from another room.

Before you place the order
- Plan long runs first. Sixteen-foot boards can reduce joints, but allow for corner cuts and how you will transport and handle the material.
- Check the transition to casing. Compare thickness, height and shape at your doorways before choosing the complete trim package.
- Bring an offcut when matching. A clear profile photo helps; a physical sample gives the team more detail to compare.
- Keep the order organized. Put baseboard, casing, shoe and doors on one material list so quantities and product choices can be reviewed together. Different products may have different profiles, primer shades and finishing requirements.
How much baseboard does a 1,200-square-foot home need?
There is no reliable single answer from square footage alone. Two homes with the same floor area can have very different numbers of rooms, closets, openings and wall returns. Measure the individual runs and use your cut list to build the order.
Does baseboard go behind cabinets?
Usually you exclude the footprint of permanent cabinets that meet the wall at floor level, but include exposed sides and returns where your design calls for trim. Confirm the layout before subtracting footage.
Bring the measurements. Build the list.
Shop COL514 for Long Island, or email your room-by-room measurements, doorway interruptions and preferred store. We can help review the material list for an itemized quote.
Choose your preferred Long Island pickup location when you speak with our team. The LI listing includes Bohemia, Bayview/Amityville and Riverhead; confirm stock and pickup arrangements for your order.