Top Window Repair in Sunnyvale, California Ranked

Dealing with a drafty, foggy, or broken window in Sunnyvale can be frustrating, impacting your home's comfort, energy bills, and security. Professional window repair services address these common issues, from simple hardware fixes to complex glass unit replacements, helping you restore functionality and efficiency without the full cost of a new installation. This guide will help you understand the typical problems, repair processes, and costs in the Sunnyvale area so you can make an informed decision and connect with qualified local specialists for your project.

A-1 On Track Sliding Door Repair

1600 Dell Ave, Campbell, CA 95008

A-1 On Track Sliding Door Repair in San Jose, CA, specializes in sliding door and window repair and installation. With over 35 years of experience, they offer services including sliding glass door repairs, pet door installations, closet door repairs, and accordion door installations. Their team handles repairs such as roller replacements, track repairs, lock and handle fixes, and glass replacement, serving residential and commercial clients in the San Jose Bay Area.

5.0

715 Reviews

Quality Windows & Doors

3732 Stanley Blvd Ste B, Pleasanton, CA 94566

Quality Windows & Doors is a window repair, replacement, and sliding glass door installation company based in San Jose, CA. Serving the Bay Area for over 35 years, they handle window and door installations, glass replacements, retrofitting, and new construction projects. Their expertise includes working with various window and door brands and providing comprehensive installation services.

5.0

60 Reviews

Jeff's Mobile Glass, Inc

1366 Doolittle Dr, San Leandro, CA 94577

Jeff's Mobile Glass, Inc in San Francisco, CA specializes in auto, residential, and commercial glass repair and replacement. Serving the East Bay area, they offer mobile services for windshield replacement, chip repair, and custom-cut glass solutions. The company uses original replacement glass or OEM parts whenever possible and serves a diverse customer base including car dealerships and fleet industries.

5.0

40 Reviews

San Mateo Glass and Mirror

90 Glenn Way #15, San Carlos, CA 94070

San Mateo Glass and Mirror is a glass installation and repair company serving Fremont, CA, and the greater Bay Area. With over 42 years of experience, they provide commercial and residential services including window replacement, sliding glass door installation, custom mirrors, glass railings, skylights, and emergency 24/7 board-up services. Their team handles projects ranging from storefronts and gyms to homes, offering a lifetime service guarantee and expertise in various glass types such as safety and tinted glass.

4.8

88 Reviews

Premier Windows and Doors

3987 First St UNIT G, Livermore, CA 94551

Premier Windows and Doors is a window and door company based in San Jose, CA, offering installation, repair, and replacement services. They specialize in high-quality window and sliding glass door solutions, including custom glass wall systems, using products from nationally recognized brands. With over 30 years of experience, they serve residential customers throughout the Bay Area.

4.9

34 Reviews

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Common Window Problems and Solutions in Sunnyvale

Sunnyvale homes, from mid-century classics to modern builds, often face specific window challenges. Understanding the root cause is the first step toward an effective and cost-efficient fix.

Drafts and Air Leaks

A noticeable draft is one of the most frequent complaints, often leading to higher heating and cooling costs. This is typically caused by failed seals around the window frame or degraded weatherstripping along the sash.

• The Repair: A technician will remove old, cracked caulk and apply a fresh bead to seal the gap between the window frame and your home's siding. For drafts coming through the moving parts of the window, worn weatherstripping is replaced with new, durable seals. This is generally a straightforward service.
• Typical Cost: Addressing drafts through caulking and weatherstripping replacement usually ranges from $50 to $200, depending on the number of windows and the extent of the work ^{1 2}.

Broken or Cracked Glass

Whether from an accident, settling, or thermal stress, a broken pane compromises safety, security, and insulation.

• The Repair: The damaged glass is carefully removed, the frame is cleaned and prepped, and a new pane of glass is installed. The complexity and cost depend significantly on the type of glass-standard single-pane, energy-efficient double-pane, or safety-rated tempered glass, which is often required for windows near doors or at low heights.
• Typical Cost: Replacing a glass pane in Sunnyvale typically costs between $150 and $400 or more. The final price is heavily influenced by the pane type (e.g., tempered, low-E) and the window's size and accessibility ^{1 2 3}.

Condensation Between Panes (Foggy Windows)

If you see persistent fog or moisture trapped between the layers of glass in a double-pane window, the insulated glass unit (IGU) seal has failed. This means the inert gas (like argon) has escaped and the window's insulating value has dropped significantly.

• The Repair: While temporary "defogging" services exist, the most reliable and lasting solution is to replace the entire insulated glass unit. This requires a specialist who can manufacture a new sealed unit to the exact dimensions of your window sash. Local glass shops and window professionals in Sunnyvale frequently handle these IGU replacements ^{4 5}.
• Typical Cost: Seal repair or IGU replacement can range from $100 to $300+ per window. In some cases, especially with older or hard-to-match windows, the cost may approach that of a full window replacement ^{1 5}.

Sticking, Jammed, or Difficult-to-Operate Windows

Windows that won't open, close, or lock properly are a common safety and usability issue. This can be due to swollen wood from moisture, warped vinyl frames, broken sash balances (the hidden mechanisms that hold the window up), or failed hardware.

• The Repair: A technician will diagnose the cause. Simple fixes include lubricating tracks, adjusting frames, or replacing broken locks and cranks. More involved repairs involve replacing sash balances or addressing structural issues with the window frame itself.
• Typical Cost: Repairing a stuck window can range from $75 for a simple hardware swap to $400 or more if sash balances need replacement or frame adjustments are required ^{1 2}.

What to Expect: Costs and Timelines for Window Repairs

When planning a window fix in the Bay Area, it's helpful to have a realistic expectation of both budget and schedule. Costs in Sunnyvale may carry a slight premium compared to national averages due to the local cost of living and business operations ⁶.

General Cost Ranges:

• Minor Repairs (Weatherstripping, Caulking, Hardware): $50 - $200
• Common Glass & Seal Repairs: $150 - $600, with many jobs averaging around $400 ^{1 7}.
• Complex Repairs (IGU Replacement, Balance Systems): $300 - $800+

Typical Project Timelines:

• Simple Repairs: Tasks like re-caulking or replacing hardware can often be completed in a few hours or within a single day.
• Glass or IGU Replacement: This may take a few days to a couple of weeks. The timeline largely depends on the availability of the specific glass type; custom or tempered glass orders can take longer to manufacture and deliver ^{1 8}.
• Full Window Replacement: If repair isn't viable and a full unit replacement is needed, expect the process to take 2-6 weeks for ordering the window, plus 1-2 days for installation per window ^{9 7}.

When to Repair vs. Replace Your Windows

While repair is often the most cost-effective choice, there are times when replacement is a wiser long-term investment. Consider full window replacement if:

• Multiple Issues Exist: The window has a combination of problems-failed seals, rotted frame, and broken hardware.
• Frames are Damaged: The window frame itself is warped, water-damaged, or rotting, especially in wood windows.
• Energy Efficiency is a Priority: Your windows are very old single-pane units. Modern double-pane, low-E windows offer significantly better insulation, which can reduce energy bills in Sunnyvale's climate.
• Repair Costs Are High: If the repair estimate approaches 50% or more of the cost of a new, more efficient window, replacement often provides better value. In the Bay Area, standard window replacement can range from $600 to $1,200+ per window ^{8 9 6}.

Finding the Right Professional in Sunnyvale

For a successful window restoration project, choosing the right service provider is key. Here's a sensible approach:

1. Identify the Problem Clearly: Before you call, note all symptoms. Is it drafty, foggy, stuck, or cracked? This helps the professional provide a more accurate initial assessment.
2. Seek Specialized Quotes: Contact local specialists who focus on repair. Companies that handle custom glass, IGU manufacturing, and sash balance repairs are often best equipped for fixes beyond simple caulking. Reading reviews for local businesses can provide insight into their reliability and quality of work for specific issues like broken glass or foggy window repair ^{4 10}.
3. Get Detailed Estimates: A reputable professional should provide a written estimate that breaks down labor and material costs, specifies the type of glass or parts to be used, and includes a timeline.
4. Ask About Warranty: Inquire about warranties on both the parts (like the new glass unit) and the labor for the repair work.

Frequently asked questions

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