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Interior door installation: prehung, pocket, closet and barn doors

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Slava has seven years of hands-on repair experience. Meet Slava

This is interior door installation and repair: Slava fits replacement doors in existing frames or as complete prehung units, sorts out pocket doors and closet bifolds or sliders, and mounts barn doors, working across Cedar Mill, Beaverton, Bethany and neighboring pockets of the west side. Locally one interior door usually goes for $200 to $450 in labour, $300 being common (market figures, November 2026) . To book, call or text us a picture.

New white panel interior door hung in a hallway with fresh casing
Illustration

A door that only rubs or won't catch can usually stay; that's cheaper door repair.

Hanging and fitting doors has been Slava's hands-on trade for 7 years .

What does interior door installation cost in the Portland area?

These are starting points, not our quote. The pricing page covers how we settle a price after seeing the job.

Work Low Common High Priced
Swap one interior door (prehung unit or slab), fit hinges, knob and casing $200 $300 $450 each door
Fix a pocket door: new rollers, track if needed, rehang $250 $450 $900 whole job
Closet bifolds or bypass sliders, installed new or repaired $150 $300 $600 whole job
Barn door: rail mounted, slab hung $250 $450 $800 whole job

Market ranges for the Portland area as of November 2026. Labour only: you pay separately for the door itself, its hardware and any new casing.

A bare slab means cutting hinge pockets and drilling for the latch on site, which takes longer than setting a prehung unit. A crooked opening eats time in shims and planing. New LVP or tile can steal the old clearance, so the door gets trimmed at the bottom. Paint is its own job; see interior painting. Doing three or four doors in one trip tends to bring the per-door figure down .

Comparing quotes? Check each covers removal, trimming for flooring, casing and the knob. Ask where the old slab ends up and who orders the new one .

Prehung vs slab: will a new door fit the existing frame?

Usually it can. With a slab you buy only the door: the jamb stays, and Slava marks the slab against the opening, planes the edges, chisels hinge pockets and drills for the knob. It's the route for a straight, sound jamb.

A prehung door arrives hung in a fresh jamb; the old one and its trim come out, and the new unit gets shimmed true in the framing. Pick it when the jamb is cracked, the size is changing, or the frame leans too far for a slab.

A lot of Cedar Mill went up during the 1960s and 1970s, and parts of Raleigh Hills and Garden Home are older still, from the 1940s. Framing settles over decades, so Slava decides slab or prehung at your house with a level . Pulling painted trim in a pre-1978 house disturbs old paint; the section on older homes covers it.

How many hours does an interior door take?

Figure on about three labour hours per hinged door, two and a half for closet bifolds or sliders, and roughly four for a barn door or pocket door fix. That's the market estimate behind the table, not a promise .

Doors finished on site need drying time between coats, which can mean a second trip . With our wet winters, a new slab is better off with its top and bottom edges sealed as well as both faces .

Is fixing a derailed pocket door possible without tearing into the wall?

Often it is. The usual fix is fresh rollers, a replacement track when the old one is worn, then rehanging and adjusting the door. Locally that runs $250 to $900, with $450 common, labour only (market figures, November 2026) .

On a good day the door lifts free and the track is reachable through the doorway. If the track has kinked or the split studs inside have warped, part of the wall comes open and is patched afterwards as drywall repair .

Bifold or bypass closet doors: fix them or buy new?

Intact panels usually mean a fix. What fails is small parts: a worn pivot pin, a guide that's come loose, a bowed top track, a panel that drags. Setting up a new pair or getting old ones running again costs $150 to $600 around Portland, $300 being common, labour only (market figures, November 2026) .

New doors are the better buy when a panel has cracked, when the opening is being resized, or when you're trading bifolds for sliders .

How is a barn door track anchored to the wall?

Into framing. The slab's whole weight hangs off that rail, so its lag bolts go into studs, or a board fastened across them, never just gypsum. You also need open wall beside the doorway as wide as the slab, with no switch or thermostat in the way.

It slides across the wall face and leaves gaps at the edges: fine for a pantry, poor for a bathroom. Mounting one typically costs $250 to $800 around Portland, $450 common, labour only (market figures, November 2026) .

Does swapping an interior door need a permit in Oregon?

A same-size swap doesn't. Oregon's Building Codes Division lists replacing doors with no structural change among jobs that skip a permit. Cutting a fresh doorway or changing an opening's size does call for one, and specific questions go to your local building department.

Here that's one of three offices: Washington County for unincorporated places like Cedar Mill, Bethany and Aloha, the City of Beaverton inside its limits, and the City of Portland for Forest Heights, Bridlemile and other Portland-side neighborhoods. Widening a doorway so a wheelchair or walker fits counts as resizing, so it falls under permits as well .

Older home, built before 1978: what's different?

Oregon has lead paint renovation rules for homes from before 1978. Disturbing under 6 square feet of interior paint in a given room, or under 20 on the exterior, counts as a minor repair and is exempt.

We stay away from lead paint work; it's listed on what we don't do. If your home is that old, tell us first and we'll say whether we can take the door job .

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