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Trusted Kent window installers, free in-home quotes, licensed & insured pros, workmanship warranty.
Rot and condensation drive most of the window replacement work in Kent. Winters here run long, gray, and soaking wet, with weeks of rain that keep every surface damp and lows sitting near 36 degrees. Summers stay mild and dry, topping out around 78, so cooling is barely part of the conversation. The real test for a window in Kent is whether it sheds water and keeps the glass warm enough to stop sweating.
Most of Kent went up between the 1960s and the 1980s. You see split-levels and ranches spread across East Hill, Meridian, and the West Hill, with newer townhomes and apartments filling in the valley near Kent Station and Panther Lake. Plenty of those homes still carry original aluminum or wood sash. That shows up as cold drafts, black mildew in the corners, water pooling on the sill, and frames that have gone soft where the rain sat for forty winters. New windows take care of all of it.
Licensed, trained, background-checked installers do the work. You never get a crew we handed off the night before.
Quotes are itemized in writing, including any sill or trim repair we find, and the number does not move on install day.
If your job needs one, we file it with the City of Kent Permit Center and carry it through inspection and energy code sign-off.
If the workmanship ever fails, your installer comes back and correct it at no charge, and the units themselves carry manufacturer warranties.
Every style, built for Kent's climate.
Two sashes that ride up and down, the natural fit for East Hill ranches and split-levels, and simple to clean.
Hinged at the side and cranked open, giving you strong airflow and one of the tightest seals against wind-driven rain.
Runs sideways on a track, a clean answer for the wide openings in valley townhomes and newer apartments.
One big sealed pane that pulls in every bit of daylight during a long gray Kent winter.
Multi-panel units that step out from the wall, adding a seat, storage, and street presence.
Awnings hinge at the top so you can vent during a downpour, and garden windows give herbs a bright shelf.
For Kent's cool marine climate we most often install vinyl or fiberglass frames with Low-E 180 (high-insulation) glass.
Get a free, no-pressure recommendation for your Kent home, any style, any material.
One sweating bedroom window or an entire building, we work with homeowners, landlords, and property managers across Kent and South King County.

We fit split-levels, ranches, townhomes, condos, and newer valley apartments from East Hill to Panther Lake. We measure, clear any permit with the City of Kent Permit Center, install, and clean up.

We glaze offices, retail storefronts, multi-family buildings, and HOA properties, including warehouse and light-industrial space across the Kent Valley. Everything meets current code, work is scheduled around your operating hours, and larger orders get bulk pricing.
Residential or commercial, most Kent property types qualify. No deposit, no pressure.
Licensed & insured · Lifetime workmanship warranty · Reply in 1 business hour
Kent sits in climate zone 4C, the cool marine zone. Insulation and moisture control matter far more here than blocking summer sun, so the glass package is built to hold heat and keep the interior surface warm. Here is the setup we install on Kent homes:
| Spec | Recommended for Kent | Why |
|---|---|---|
| Glass coating | Low-E 180 (high-insulation) | insulates through long, damp winters |
| Frame material | Vinyl or fiberglass | wet marine climate, no rot, tight seal |
| Gas fill | Argon | warmer glass surface = less condensation |
| U-factor target | ≤ 0.28 | exceeds the Washington energy code requirement for zone 4C |
| SHGC target | 0.30–0.40 | captures scarce winter sun |
In a wet marine winter, U-factor does the heavy lifting. A lower U-factor keeps the inside face of the glass warmer, and warm glass does not sweat, which is how you stop the mildew and the rot that eat old sash. Residential power in Washington averages about 14 cents per kilowatt-hour, cheap by national standards, so the dollar savings here are smaller than in a place with brutal summers or hard freezes. The payoff you feel is a drier, warmer, quieter house through eight months of rain.
Window installation in Kent generally runs $470 to $810 per installed window, or $8,500 to $16,500 for a full home. Pricing here sits below the high end of the region, which fits a market built around affordability. Split-levels and ranches from the 1960s and 1970s often need sill or trim repair once the old unit comes out, and we price that separately instead of springing it on you mid-job. With local home values near $570,000, replacing failed windows protects the structure as much as the comfort. You get a fixed written price before anything is ordered.
Get a free, no-pressure in-home quote today, licensed, insured, and backed by the installer's lifetime workmanship warranty.

A tech measures every opening at your house and hands you a written price, line by line.

Each window is built to your exact opening, which matters on out-of-square 1970s frames.

Crews wrap most homes in a single day, and your installer files the Kent permit before we start.

We vacuum up, haul the old sash away, and register your warranty before we leave.
Kent is stricter than some cities on this. The city lists altering a window among the residential work that needs a building permit, so plan on filing with the City of Kent Permit Center instead of assuming your swap is exempt. Resizing an opening or touching a header adds a structural review, and bedroom windows still have to meet emergency escape and rescue sizing. Washington also writes its own energy code rather than adopting the plain IECC. The 2021 Washington State Energy Code, Residential Provisions cap vertical fenestration in marine zone 4C, tighter than the national baseline. Your installer pulls the permit, meets the inspector, and handles code compliance for you.
"Honest quote, no pressure, and our whole Kent Station house was done in a day. Spotless cleanup."
"Energy bill dropped noticeably after they replaced our worst windows in East Hill."
"They matched our older home's window style in Panther Lake perfectly. Craftsmanship is real."
Recent project: Full-home replacement in Kent Station, 18 Low-E 180 (high-insulation) windows.
See what your project would cost, free, no-obligation in-home quote.
ZIP codes served: 98030, 98031, 98032, 98042, 98058
Usually yes. The City of Kent Permit Center lists altering a window among the residential work that requires a building permit, and a permit is definitely required if you resize the opening, change a header, or alter a bedroom window that has to meet egress sizing. Your installer files it and sees it through inspection.
For Kent's cool marine zone 4C climate, we recommend Low-E 180 high-insulation glass in vinyl or fiberglass frames, targeting a U-factor of 0.28 or lower. Vinyl and fiberglass also refuse to rot, which is the reason so many original wood frames in Kent are failing.
Most Kent jobs run $470 to $810 per installed window, or $8,500 to $16,500 for a full home. Older split-levels and ranches can run a little higher if the sill or trim underneath has soaked through and needs repair.
Residential power in Washington averages about 14 cents per kilowatt-hour, which is low for the country, so honest savings here are modest next to an extreme climate. The bigger return is comfort through a long wet winter, less condensation, and no more rot repair bills.
In most cases, yes. Damp marine winters chill single-pane and old aluminum glass until it sweats, and that water feeds mildew and rots the wood underneath. Modern double-pane Low-E units keep the interior glass warmer so the moisture stays in the air, and vinyl or fiberglass frames cannot rot at all.
Yes. Every installer we match you with is licensed, bonded and insured in Washington, and their work carries a lifetime workmanship warranty from your installer alongside the manufacturer's warranty on the windows. We arrange your quote and the introduction; your installation contract is with the installer who does the work.
Free, no-pressure in-home estimate. No deposit to book. Satisfaction guaranteed.