A Mason company - serving West Covina, CA
An open living room and dining area after a whole-home remodel
E
ECO Window Systems · San Dimas, CA

ECO Window Systems Construction in San Dimas, CA

Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in West Covina
A home office with a built-in desk and shelves
An open living space after a whole-home remodel
A remodeled living room with built-in shelves around the fireplace
A whole-home remodel with the living, dining and kitchen areas opened up
A remodeled family room with new windows and a window seat
A remodeled kitchen with a waterfall island and wood cabinets
A wood double vanity with two mirrors after a bathroom remodel
A finished backyard cottage with a small covered porch
Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as$199/month*On approved credit; ask for current terms
Get your free estimate

ECO Window Systems Construction in San Dimas, CA | Mason Remodeling Co West Covina

We provide independent ECO Window Systems service across San Dimas, from window replacement to impact window installation and full home additions that integrate ECO products correctly. The one thing that makes our ECO Window Systems work here different: we understand how steep, stucco-clad hillside lots north of Foothill Boulevard stress window frames, flashing, and seals in ways flatland homes never experience. If you need a crew that knows ECO Window Systems sales & service and the San Dimas foothills, call (707) 760-7579 for a free estimate.

Contractor using a level to install a wooden door frame in San Dimas, CA

Call (707) 760-7579

Why San Dimas Residents Choose Us for ECO Window Systems Service

We’ve installed and repaired ECO Fusion Series, ECO Prestige Series, ECO 9000 Series, and ECO Garden Window units on dozens of San Dimas properties. Isaac Pruett grew up in Los Angeles and learned the trade through the construction technology program at Los Angeles Trade-Technical College before spending decades on real jobs across the San Gabriel Valley. That means we don’t guess at how an ECO frame behaves when a hillside lot settles half an inch. We’ve seen it. We know which seals fail first under the San Dimas sun and which flashing details keep winter rain out of a stucco wall. Every crew member arrives with a name and photo sent before the visit, wearing a clean uniform and a photo ID badge at the door. That’s the Threshold Standard, and it applies on every ECO Window Systems job we take in San Dimas.

Explore

Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Common ECO Window Systems Construction Problems We Solve in San Dimas

  • Sagging or binding sashes on large picture windows. Hillside settling and the wide temperature swings between San Dimas summers and winter nights put real stress on ECO Fusion and Prestige picture window frames. We realign sashes, replace worn balances, and when the frame itself has moved, we address the rough opening before reinstalling the unit.
  • Leaking around window frames after heavy winter rains. Older ranch-style homes in San Dimas often have original flashing that’s corroded or was never installed properly for stucco. We pull the exterior trim, replace the pan and sill flashing, and reseal the window so the next storm stays outside.
  • Fogging between double panes from seal failure. The intense San Dimas sun breaks down desiccant seals over time. We replace the insulated glass unit, or the full sash when the frame’s structural integrity is compromised, and we do it with OEM-spec components whenever possible.
  • Dust and moisture streaks on the interior side of the glass. Dry, dusty foothill air finds every gap in failing weatherstripping. On ECO Garden Window units especially, the small seals around venting panels wear out fast. We replace weatherstripping with the correct profile so the dust stays outside where it belongs.
  • Clogged weep holes causing water pooling inside the track. Hillside debris, dust, and spider webs clog the drainage channels on older ECO windows. We clear them, verify the slope of the sill, and fix the flashing so water drains out instead of into your wall cavity.

ECO Window Systems Service in San Dimas: What Local Conditions Mean for Your Equipment

On steep hillside lots north of Foothill Boulevard, many San Dimas homes have windows mounted directly into stucco walls with minimal exterior flashing. Flatland houses rarely show this condition, and it’s the single biggest reason ECO Window Systems units leak or fail prematurely in this city. When a window is set into stucco without a proper pan flashing at the sill and a drainage plane behind the flange, every winter rain gets a direct path into the wall. We correct this on every replacement we do in San Dimas. Our crew replaced a fogged ECO Prestige Series picture window on a two-story home off San Dimas Canyon Road after discovering the original weep holes were clogged with hillside debris. We cleared the drainage, installed a new OEM sash, and re-flashed the rough opening to prevent rain intrusion during the next winter storm. The homeowner hasn’t seen a drop of condensation since. That’s what proper sill integration buys you on a San Dimas hillside.

ECO Window Systems Models & Products We Service in San Dimas

We work on the full ECO Window Systems lineup: Fusion Series, Prestige Series, 9000 Series, and the ECO Garden Window. For critical components like balances, locks, and weatherstripping, we use ECO Window Systems OEM parts whenever they’re available, because the fit and finish matter on a window you’ll look at every day. For discontinued trim or hardware, we source high-quality aftermarket alternatives that match the original profile closely. We stock common ECO weatherstripping profiles, balances, and locking hardware locally for fast San Dimas turnaround. We recommend full replacement only when the frame shows rot or warping, not for simple seal or hardware issues.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

ECO Window Systems Service Pricing in San Dimas

Service Price Range
Window Replacement $4,500 – $15,000
Impact Window Installation $8,000 – $25,000

What drives the final number: the number of windows, whether we’re replacing a simple double-hung or a large picture window on a hillside, and how much flashing correction the existing rough opening needs. A stucco wall with original 1970s flashing takes more labor than a flatland window that’s simply old. Your free estimate includes a written line-item price before any work starts, so you’ll know the exact cost before we pick up a tool. Call (707) 760-7579 to schedule yours.

Serving San Dimas, CA - Our Local Coverage Area

As a General Contractor - San Dimas team, we’re based in this area and know the community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.

Contractor using a level to install a wooden door frame in San Dimas, CA

FAQs – ECO Window Systems Construction in San Dimas

Service Areas Near San Dimas

We serve San Dimas and the surrounding foothill communities, including San Dimas service area, ECO Window Systems service in West Covina, ECO Window Systems service in Pomona, plus Walnut, La Puente, and La Habra. If you’re just outside San Dimas, call (707) 760-7579 and we’ll confirm coverage.

Book Your ECO Window Systems Service in San Dimas Today

We’re an independent ECO Window Systems service provider, not manufacturer-affiliated or authorized. What we offer is straight talk, OEM parts when they matter, and a written price before work starts. Call (707) 760-7579 to schedule your free estimate in San Dimas.

Written by Isaac Pruett, Owner at Mason Remodeling Co West Covina, offering San Dimas Bathroom Remodeling and window services since 2004.

Ideas for every room in the house

Built-ins, window seats, family rooms and staircases: the changes that make a whole house work better.

Read our remodeling guides
A remodeled laundry and mudroom with a bench, cubbies and painted cabinetsA built-in window seat in a bay windowA dining nook with a built-in banquetteA powder room with botanical wallpaper and a stone sinkA remodeled kitchen with painted cabinets and a farmhouse sinkA remodeled primary bathroom with a soaking tub and walk-in shower

Explore more remodels

Every project below starts the same way: a free on-site visit and a written price.

Getting started with Mason in West Covina

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a kitchen with the homeowner during a free estimate

Free on-site estimate

A project lead walks the job with you, measures it and hands you a written, line-item price. No obligation.

Book an estimate
A remodeling crew arriving at a home with lumber and tools

Your West Covina team

A local crew that works across West Covina and the towns around it, to the same written standard as every Mason location.

Areas we serve
A worker laying floor protection and a dust barrier before work starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise
Need Construction help in San Dimas? Licensed & insured · Written quotes before work starts response · free estimates
Call (707) 760-7579
Local Service Coverage

Request a Free Estimate in San Dimas

Tell us what you need - Mason Remodeling Co West Covina responds fast. No obligation.

When you send us your details, you accept our Privacy Policy and agree that you may be contacted by call, text, or email regarding your service needs, including from the affiliated professionals who may take on the job.

Prefer to text? Send a Text
Call Now - 24/7 Dispatch