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Top Window Repair in National City, California Ranked
Dealing with a drafty, broken, or foggy window can be frustrating, impacting your home's comfort, energy bills, and security. Window repair is a practical service that addresses these common issues, from simple weatherstripping to complex frame restoration, helping you restore your windows' function and efficiency. This guide outlines the typical repairs needed in National City, their associated costs and timelines, and how you can connect with qualified local professionals to get your windows back in top shape.

Costelow Glass & Door Inc.
5256 Acuna St, San Diego, CA 92117
Costelow Glass & Door Inc. is a glass and door service provider based in San Diego, CA, specializing in window repair, window replacement, and sliding glass door installation. They offer a range of services including custom glass doors, storefront windows, mirror walls, and shower enclosures, focusing on quality craftsmanship and tailored solutions for both residential and commercial projects.

University Glass
5255 University Ave, San Diego, CA 92105
University Glass is a glass repair and replacement company based in San Diego, CA. They provide services for residential and commercial properties, including window repair, window replacement, and sliding glass door installation. The company offers custom glass cutting and installation, handling a wide range of glass-related needs from home windows to business doors.

Bob's Glass & Screen Co
9279 Cabot Dr B, San Diego, CA 92126
Bob's Glass & Screen Co is a glass and screen service provider based in San Diego, CA, specializing in window repair, replacement, and sliding glass door installation. They offer commercial and residential glazing services including storefront systems, custom shower enclosures, and window replacements. Established in 1988, the company serves all of San Diego County with expertise in tempered glass and fenestration systems.

American Sliding Door and Window
san diego
American Sliding Door and Window in San Diego, CA, specializes in repairing sliding doors, pocket doors, windows, and closet doors. They offer mobile repair services, performing all work on-site to restore smooth operation and security. Their expertise includes wood door and window restoration, particularly for water-damaged doors. The company serves residential customers throughout San Diego and nearby areas, providing convenient scheduling seven days a week.

Lemon Grove Glass & Supply
7457 Broadway, Lemon Grove, CA 91945
Lemon Grove Glass & Supply is a family-owned glass and window company located in San Diego, CA. They offer window repair, replacement, and installation services for both residential and commercial projects. Their specialties include custom glass shower doors, mirrors, tabletops, sliding and swinging screens, as well as storefront aluminum doors and office dividers, backed by manufacturer and workmanship warranties.
Common Window Problems and Solutions in National City
Homes in National City experience a range of window issues, many related to age, weather, and material wear. Understanding the specific problem is the first step toward an effective and cost-efficient fix.
Drafts and Air Leaks
One of the most frequent complaints is a drafty window, which allows conditioned air to escape and outdoor air to seep in. This is often caused by degraded caulking or worn-out weatherstripping around the window frame or sash 1. The repair typically involves removing the old material and applying a fresh bead of high-quality exterior caulk or installing new compression seals. This is generally one of the most affordable repairs, often costing between $75 and $300, and can significantly improve your home's energy efficiency 1 2.
Broken or Cracked Glass
Whether from impact, stress, or settling, broken glass is a clear safety and security hazard. Repair involves glass replacement, where the damaged pane is removed and a new one is installed. The cost varies greatly depending on whether it's a single-pane, double-pane (insulated glass unit or IGU), or a custom-shaped pane. For a standard-sized single pane, you might pay between $150 and $300, while a double-pane unit typically ranges from $200 to over $600 1 3. Special coatings, tempered glass requirements, or hard-to-match historical glass will increase the price.
Condensation Between Panes (Foggy Windows)
If you see persistent fog or moisture trapped between the layers of glass in a double or triple-pane window, it indicates a failed seal. This seal is crucial for maintaining the insulating gas (like argon) that provides energy efficiency. Once it fails, the window loses its insulating properties. The repair usually involves replacing the entire insulated glass unit (IGU) while keeping the existing frame and sash, a process known as a glass pack replacement. This can cost between $100 and $200 for the unit itself, with total service costs ranging higher 1 4. In some cases, if the frame is also compromised, a full window replacement may be recommended.
Sticking, Jammed, or Difficult-to-Operate Windows
Windows that are hard to open, close, or lock are often suffering from hardware issues or frame distortion. Common culprits include broken balances in double-hung windows, worn-out cranks on casement windows, or swollen/rotted wood frames. Hardware repair or replacement-such as new locks, latches, or operating mechanisms-is relatively inexpensive, often between $30 and $100 2. If the issue is a warped or rotted wooden frame or sash, the repair becomes more involved, requiring wood epoxy, splicing in new wood, or partial frame replacement, with costs ranging from $250 to $800 or more 1 5.
What to Expect: Repair Costs and Timelines
The final price for your window restoration project depends on the type of repair, the materials of your window (vinyl, wood, aluminum), its size, and its accessibility.
Cost Ranges for Typical Repairs
- Minor Repairs & Maintenance: For do-it-yourself style fixes handled by a pro, such as re-caulking, replacing weatherstripping, or installing new basic hardware, expect to pay between $50 and $150 1 6.
- Moderate Repairs: This tier includes most single-pane glass replacements and sealed unit (IGU) replacements for standard-sized double-pane windows. Budget between $150 and $400 for these services 6 2.
- Major Repairs: Complex issues like repairing extensive wood rot, replacing large or custom-shaped glass, or restoring damaged window frames fall into this category. Costs typically start around $400 and can exceed $800 depending on the scope of work 1 5.
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Project Timeline from Assessment to Completion
How long your repair takes depends on parts availability and the job's complexity.
- Simple Fixes: Tasks like weatherstripping, caulking, or hardware adjustment can often be completed in a single service visit, usually within 1-2 days of scheduling 1.
- Standard Glass Replacement: If the glass is a common size, a professional can order it and schedule installation typically within 1-2 weeks 6 7.
- Complex or Custom Work: Repairs involving custom-ordered insulated glass units, historical glass, or extensive wood restoration may have longer lead times, often from 2 to 4 weeks or more 1.
Choosing the Right Service for Your Windows
Not every window issue calls for a full replacement. In many cases, a targeted repair is the most economical and sensible choice. Repair is ideal when the window frame is structurally sound and the problem is isolated, such as a single broken pane, a failed seal in one unit, or a specific hardware malfunction. It preserves the original materials (important for historic homes) and is less disruptive than a full tear-out.
However, there are times when window replacement becomes the more viable long-term solution. If you have multiple failed seals, widespread wood rot, severely damaged frames, or single-pane windows throughout your home, the cumulative cost of repairs may approach or exceed the cost of new, energy-efficient units. A professional assessment is key to making this decision.
Finding Professional Window Repair Services Locally
For homeowners in National City looking for reliable service, checking established local business directories can be a good starting point to find experienced professionals. Companies like Local Glass & Screen, Sivan Windows and Doors, and CertEX Construction have been noted for providing related services in the area 8. When evaluating a provider, look for proper licensing, insurance, clear warranties on both parts and labor, and ask for references or examples of past repair work. A trustworthy professional will offer a clear, detailed estimate after a thorough in-person inspection of your window issues.
Frequently asked questions
Sources
Footnotes
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Window Repair vs. Replacement: 2025 Cost Breakdown | Budget Glass Blog - https://www.budgetglasscompany.com/blog/window-repair-vs-replacement-2025 ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9
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How Much Do Window Repairs Cost? - https://wci-4u.com/how-much-do-window-repairs-cost/ ↩ ↩2 ↩3
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2026 Window Glass Replacement Cost | Double Pane, Door, ... - https://homeguide.com/costs/window-glass-replacement-cost ↩
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Window Repair Cost Guide by State 2026) - EcoWatch - https://www.ecowatch.com/windows/repair/cost ↩
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2025 Window Replacement Cost in California - Modernize - https://modernize.com/windows/replacement-cost-calculator/california ↩ ↩2
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Window Repair Cost: What You'll Actually Pay - https://argowindowrepair.com/blog/window/window-repair-cost ↩ ↩2 ↩3
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2025 Window Repair Costs | Single-Pane & Double- ... - Thumbtack - https://www.thumbtack.com/p/window-repair-cost ↩
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Best Window Glass Repair near National City, CA 91950 - Yelp - https://m.yelp.com/search?find_desc=Window+Glass+Repair&find_loc=National+City%2C+CA+91950 ↩