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BSR Constructions LLC · Seattle, WA

Windows Estimator

Replacement windows. Vinyl, fiberglass, wood. Andersen, Pella, Milgard.
1

Project Type

2

Brand & Material

3

Windows

TIP: Measure existing window opening (rough opening) in inches: W × H. Calculator converts to united inches and adjusts price for size.
4

Extras & Options

Interior trim
Casing replacement around windows.
Window screens
Most replacements include. Toggle on if specifying separately.
Low-E glass upgrade
Energy-efficient coating. Standard with most.
Decorative grids
Colonial / prairie / between-glass grids.
Touch-up paint
Interior trim paint after install.
5

Equipment & Cleanup

Haul-away old windows
Disposal at recycling facility.
Permit
Required for full re-do. Often skipped for like-for-like.
6

Pricing Settings

BSR: Window pricing built into each style. Pass-through markup applies to extras, haul-away, and permit.
★

Custom Materials

USE WHEN: Customer picks premium fixtures, special materials, or anything beyond standard pricing. Adds to cost, applies markup to charge.
Estimate Breakdown
# of Windows0
Total united inches0 UI
Costs (Your Side)
Windows (material)$0
Trim / screens / Low-E / grids / paint$0
Haul-away$0
Permit$0
Hard Costs$0
Charge to Customer
Window install$0
Extras charge$0
Haul-away charge$0
Permit pass-through$0
Custom materials charge$0
Customer Price
$0
Profit: $0 · Margin: 0%
Rate: 10.35%
Sales tax$0
Total w/ Tax
$0

Window Brands (Seattle 2026)

Milgard (Vinyl) — PNW favorite. Lifetime warranty, Tacoma-made. Best value.

Installed$650-1,200 per window
Pitch"Made in Tacoma. Lifetime warranty. Most popular in Seattle."

Andersen 100 Series (Fibrex) — Composite, paintable.

Installed$900-1,800 per window

Pella — Wide product range, Vinyl to Wood.

Installed$800-2,500 per window

Marvin — Premium fiberglass + wood.

Installed$1,500-3,500 per window

Kolbe — Premium wood, architectural.

Installed$2,500-5,000+ per window

Generic Vinyl (HD/Lowe's) — Builder grade.

Installed$450-800 per window

Window Styles

Single-hungBottom slides up. Cheapest.
Double-hungBoth sashes operate. Most common.
CasementCrank-out. Best air seal.
SlidingHorizontal slide. Wider than tall.
PictureFixed, no operate. Cheapest per UI.
AwningCrank-out, top hinged. Great for rain.
Bay / BowProjects out. Most expensive (3-5 units).

Window Distributors (PNW)

Builders FirstSource — Wide brand selection, contractor pricing.

Lumbermen's Building Materials — Marvin + Milgard, design services.

Dunn Lumber — Multiple Seattle locations. Milgard dealer.

Window World (regional) — Bulk replacement specialist.

Home Depot Pro — Quick-ship vinyl options.

Lowe's Pro — Pella + Reliabilt.

Manufacturer Reps (PNW)

Milgard Tacoma factory — Local rep, quick turnaround.

Andersen Renewal — Direct installer program available.

Glass Repair

Glass Doctor (Seattle) — Failed IGU replacement, single-pane repairs.

Northwest Glass — Commercial + residential.

Window Measurement Math

United inches (UI): Width (inches) + Height (inches) = UI

Pricing is often per UI for accuracy. A 36×60 window = 96 UI.

UI Pricing Brackets (typical)

Under 80 UISmall (bath, kitchen)
80-100 UIStandard bedroom
100-120 UILiving room, dining
120+ UIPicture / large opening

Time per Window (Install)

Standard replacement1-1.5 hr per window
Full re-frame3-4 hr per window
Bay / bow4-8 hr
Crew of 2 / day8-12 standard windows

Pricing Quick Reference (Seattle 2026)

Generic vinyl installed$450-800
Milgard installed$650-1,200
Andersen installed$900-1,800
Pella installed$800-2,500
Marvin installed$1,500-3,500
Kolbe installed$2,500+

Always Included

Removal of old window, install of new, basic interior trim caulk, exterior caulk, screws/shims, screen, lock hardware, manufacturer's warranty registration.

Common Upsells

New interior trim · Touch-up paint · Decorative grids · Tempered glass (bath/floor low) · Tinted/Low-E glass · Smart lock hardware.

About BSR

Built by Will Brambila, owner of BSR Constructions LLC. A family-owned roofing and exteriors company in Seattle, WA. Founded with my brother Art, we serve Pacific Northwest homeowners and contractors with the same focus every day. Do the work right. Treat people fair. Build something that lasts.

Family-built. Community-driven. Quality roofing & exterior solutions.

Why this tool exists

Every day on jobsites, contractors waste time doing math on the back of an envelope. Estimates take hours that should take minutes. Numbers get fuzzy. Profit gets lost in guesswork.

I built this tool to fix that for my own crew. Then I figured I'd share it.

It's a calculator I actually use. On roofs. In driveways. In front of homeowners. I wanted something that gave me a real bid number in 60 seconds without pulling out a laptop or doing 12 steps of math on a calculator app.

Who it's for

If you're another small business owner, contractor, or estimator out there grinding it out, this is for you too. Free. No login. No email capture. Just open it and use it on the jobsite.

Contact

OwnerWill Brambila
CompanyBSR Constructions LLC
Emailwill@bsrteam.com
Phone(206) 474-4702
Address1712 1st Ave S, Seattle, WA 98134
Webbsrteam.com

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