Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Windows & Doors Across Whittier
Window and door work in Whittier runs $4,500 to $25,000 for most homes, and the biggest cost driver isn’t the product - it’s what’s behind the opening. Whittier sits directly on the Whittier Fault, which means the pre-WWII Craftsman bungalows near Uptown on raised wood foundations almost universally lack seismic bolting and cripple-wall bracing. Window and door openings are usually the first place racking stress shows after even moderate ground motion, a reality you won’t hear from a flatland contractor who mostly works slab-on-grade homes to the south. We account for that before we ever quote a window, and you can reach us at (877) 610-1318 for a free estimate.
Barrett & Sons Construction is owned by Tom Barrett, who started the company in 1998. Tom’s sons run the crews. A live person answers our phone 24/7, and we carry the Windows & Doors expertise into every home we touch here.
Why Barrett & Sons Construction Is Whittier’s Preferred Windows & Doors Company
We work Whittier the way a local contractor should. Tight lots off Philadelphia Street, shared driveways in Uptown, hillside streets in Friendly Hills where the ground has shifted for decades - we know the terrain before we park the truck. That matters, because a window company that doesn’t understand the Whittier Fault, historic overlay review, or hillside soil movement will hand you a price that changes the day the inspector shows up.
Tom Barrett publishes his name, address, and license number. Look him up before you sign anything. Our crew members are background-checked and uniformed on every visit. That’s not marketing language; it’s how we’ve kept a local reputation since 1998 without ever becoming a franchise.
Every price change arrives as a written change order before work happens. The allowance that isn’t on paper is a surprise waiting for a date. Whittier homeowners who have been burned by national outfits that quoted one number on the phone and handed them a different bill at the door tell us that’s the sentence that made them call. We also back every completed job with the 90-Day Done Right Promise: if it’s not done right, Tom comes back and makes it right, one call.
We carry a strong local reputation across Whittier’s zip codes - 90601, 90609, 90610, and 90612 - and our reviews from Whittier customers consistently mention the same three things: we showed up on time, the price didn’t move, and the permit inspector signed off without drama. Call (877) 610-1318 and you’ll get Tom or one of his sons, not a call center.
Our Windows & Doors Services in Whittier
Here’s what we handle most often in this city, with the local context that changes how we do it.
Impact Windows & Doors
Whittier sits at the inland edge of the San Gabriel Valley foothills, where Santa Ana wind events are significantly stronger and more sustained than in coastal LA cities. Impact-rated windows and doors aren’t just a Florida product here - they make real sense on hillside streets where wind loads hit harder and the Whittier Fault keeps seismic racking a live concern. A full impact window package for a Whittier home typically runs $8,000 to $25,000 depending on opening count and frame choices.

Window Replacement
Most of the pre-1940 bungalows near Uptown still have original single-pane windows, and many of them also have sill rot at the corners where racking stress has worked the openings loose. Replacing the window without addressing the cripple wall behind it is a common local mistake - the new window starts binding within a season or two. We scope window replacement in Whittier at $4,500 to $15,000 for a typical home, and we look at the structure before we quote the glass. If you’re in the 90601 or 90605 area, we’re likely to see raised wood foundations; flatter tracts east of town tend to be slab-on-grade, which changes the scope.

Door Installation
Entry doors on older Whittier homes often sit in openings that aren’t square, thanks to decades of minor foundation movement and the occasional Whittier Fault adjustment. We hang doors level and plumb, and we address the opening itself, not just the hinge placement. On tight Uptown lots, we stage every door slab and jamb in the garage or along the house wall so the shared driveway stays open for the neighbor’s trash bins.

Sliding & Patio Doors
This is the sub-service that trips up homeowners in Friendly Hills and Whittier Hills most often. Those 1960s and 1970s cut-and-fill lots sit on expansive clay that has caused decades of differential settlement. A new sliding patio door installed on a frame that’s already moving will re-stick and lose its seal within two seasons. We check the track plane and the header load before we install, and we’ll tell you honestly if a door is the wrong first move. We also handle custom windows and doors, glass railing systems, hurricane impact windows, impact sliding glass doors, and hurricane shutters and protection.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Whittier
We install Andersen and Marvin windows, among other premium brands, because you should be able to look up every product that goes into your home. We also carry GAF accessory lines where they apply to window and door flashing details. No mystery brands off a van. If Whittier’s historic overlay review requires a specific window profile or mullion pattern to match the original Spanish Colonial or Craftsman look, we’ll order the exact Andersen or Marvin line that satisfies the reviewer. We keep common parts local for fast turnaround on Whittier jobs - no waiting on a warehouse three states away.
Common Windows & Doors Problems We See in Whittier Homes
- Racking stress on pre-1940 bungalows near Uptown. The Whittier Fault runs directly under the city, and the 1987 Whittier Narrows earthquake exposed how vulnerable the pre-bolt bungalows really are. Window and door openings show the strain first - sticking sashes, cracked glass at corners, gaps at the header. We fix the opening, not just the window.
- Sill rot behind the finish trim. Whittier’s older core near Uptown has original wood windows on raised foundations. Moisture wicks up from the crawl space, and by the time the trim looks bad, the structural sill underneath is often worse. You need a contractor who will open the wall far enough to see the full picture before installing a replacement.
- Sliding door failure on hillside cut-and-fill lots. Friendly Hills and Whittier Hills streets show the damage from decades of expansive clay movement. A door that slides fine in July sticks by October. We check the foundation and track plane before we install anything.
- Stop-work orders from skipped historic review. Some older Whittier neighborhoods require city review for window style changes. Contractors who skip that step get stopped mid-job, and the homeowner eats the change order cost. We pull the right review the first time.
Pricing for Windows & Doors in Whittier, CA
Honest numbers for this market. A typical window replacement in Whittier runs $4,500 to $15,000 for a full home, depending on window count, frame material, and how much structural correction the openings need. Impact-rated window installation runs $8,000 to $25,000. Door installation typically lands inside the same general project budgets, and sliding patio doors often carry extra cost in hillside areas because we verify the track plane and header load before we order the door. Access also matters on tight Uptown lots - a shared driveway, a garage that has to serve as staging, or a neighbor’s fence line all affect how many trips the crew makes. Here’s the line-item range:
| Service | Whittier Price Range |
|---|---|
| Impact Window Installation | $8,000 - $25,000 |
| Window Replacement | $4,500 - $15,000 |
Every quote includes a written scope and a written change order before any scope change touches the job. Call (877) 610-1318 for a free estimate on your specific opening count and lot conditions.
We Also Serve Cities Near Whittier
We work regularly in South Whittier, West Whittier-Los Nietos, East La Mirada, and Santa Fe Springs. If you’re a few minutes over the city line, we’re still close enough to quote it accurately. This page is focused on Windows & Doors in Whittier, but the same owner-operated crew handles the surrounding communities with the same written-scope discipline and the same respect for a tight lot.
Serving Whittier, CA - Our Local Coverage Area
We’re based in the Whittier area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Windows & Doors in Whittier
Yes, window style changes in Whittier’s older core neighborhoods often require city review, and some properties trigger historic overlay requirements that dictate window profile and mullion pattern. Replacing like for like usually moves faster, but changing window style on a 1930s Spanish Colonial Revival without review can trigger a stop-work order. Call (877) 610-1318 and we’ll confirm what applies to your specific block before you sign anything.
The Whittier Fault runs directly through the city, and the pre-WWII bungalows on raised wood foundations rarely have seismic bolting or cripple-wall bracing. That means window and door openings are the first place racking stress shows after even moderate ground motion. We inspect the cripple walls and header loads before we install, and we’ll tell you honestly if a seismic retrofit should happen first or in tandem with the window work.
Whittier enforces standard weekday work-hour limits, and on tight Uptown lots we keep cutting and demo inside the garage or along the house wall so the shared driveway stays open for neighbors. If we’re working near a property line on Philadelphia Street or similar, we’ll keep the noise off the fence line and schedule the loudest work mid-morning. Call (877) 610-1318 and we’ll walk through your specific lot constraints during the estimate.
Those hillside neighborhoods sit on 1960s and 1970s cut-and-fill lots with expansive clay soil that has caused decades of differential settlement. A new sliding door installed on a moving frame will re-stick and lose its seal within two seasons. We check the track plane and header load before we install, and we’ll tell you if the foundation needs attention first. A free estimate at (877) 610-1318 gets you an honest answer on that.
A tight Uptown lot with a shared driveway, a garage used for staging, or a neighbor’s fence line right against the work area changes how many trips our crew makes and how we sequence the work. That’s real labor, and it belongs in the quote up front. Call (877) 610-1318 for a free estimate that accounts for your lot, your fault line, and your inspector - the quote is free, and it comes from someone who lives twenty minutes away.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Whittier and surrounding communities since 1998.







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