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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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After
Before
After
Before
AfterShingle Replacement in Orange County, CA
Shingle replacement in Orange County typically runs between $6 and $14 per square foot for standard architectural asphalt shingles, with most partial replacements on a 2,000-square-foot roof landing between $1,800 and $4,500 depending on how many shingles failed and what’s underneath them. We do the work the same way every time: written price before any work starts, background-checked technicians in uniform on your roof, and a full-year guarantee in writing. If you’re seeing cracked, curled, or missing shingles anywhere on your roof, call us at (559) 258-5703 and we’ll come out and tell you exactly what needs to happen. For a broader look at what we handle, see our Roof Repair in Orange County page.
When You Need Shingle Replacement
Shingles don’t fail all at once. They go piece by piece, and by the time a homeowner notices water inside the house, the problem has usually been working for months. Here’s what tells us a roof needs roof repair with shingles replaced rather than patched:
- Granules in the gutters. Asphalt shingles shed their mineral surface as they age. If you’re cleaning out gutters in Mission Viejo or Yorba Linda and finding what looks like coarse black sand, the shingles are losing their protective layer and are past the point of simple repair.
- Curling or cupping shingle edges. Heat is hard on roofs in Orange County. Shingles that curl at the corners or cup in the middle have dried out and can’t seal against water the way they should. This is one of the most common calls we get from inland areas like Anaheim Hills and Tustin.
- Cracked or broken shingles. Wind-driven debris, or just age and sun exposure, will crack shingles. A cracked shingle isn’t a cosmetic issue. It’s an open seam for water, and once water gets to the decking, the repair stops being about shingles and starts being about plywood.
- Missing shingles after a storm. Santa Ana winds can tear shingles off clean. If you can see bare spots on your roof from the street, you need those replaced before the next rain. Even one missing shingle gives water a direct path to the underlayment.
- Leaks around flashing or penetrations. Shingles near chimneys, vents, and skylights fail faster than the rest of the roof because those areas put more stress on the material. If you’re seeing water stains on the ceiling near a chimney or vent, the shingles around that penetration likely need to come up and be replaced along with the flashing.
- Shingles that are 15 to 20 years old. Most asphalt shingle roofs in Orange County are rated for 20 to 30 years, but the sun here ages them faster than the manufacturer’s rating suggests. If your roof is in its late teens and you’re starting to see individual shingles fail, replacing them in sections is often smarter than chasing leaks one by one.
None of these are situations where you should wait to see what happens. Water works quietly. By the time you see a stain on the ceiling, the decking underneath is already wet, and that’s a bigger job. If any of the above sounds like your roof, call (559) 258-5703 and we’ll inspect it. The estimate is free, and the price goes on paper before any work starts.
Our Shingle Replacement Process
Here’s how shingle replacement works when we do it. No mysteries, no surprises, no price that changes at the door.
- Inspection and written estimate. We get on the roof, find every shingle that’s compromised, and check the decking and underlayment underneath. Then we put the scope of work and the price on paper and hand it to you. You don’t sign anything until you’ve read it.
- Material selection. We’ll show you options from manufacturer lines including Atlas, IKO, and Tamko. We explain the difference between a standard architectural shingle and a higher-tier option plainly, so you can choose with confidence, not guesswork. The price difference goes on the written estimate too.
- Removal of failed shingles. We pull the damaged shingles and inspect the underlayment and decking underneath. If the decking is soft or rotted, we show you before we replace it. That’s part of the written estimate, not a surprise add-on.
- Underlayment and flashing check. Where we replace shingles, we also check the flashing and drip edge. If flashing is corroded or pulling away, we replace it at the same time. Shingle replacement that ignores flashing is a temporary fix, and we don’t do temporary fixes.
- Installation and sealing. New shingles go in, sealed properly, with the correct nail pattern and spacing. We don’t rush this. A shingle nailed wrong will fail in the first windstorm, and we’re not going to be back on your roof next season fixing our own work.
- Cleanup and inspection. We sweep for nails, magnets included, and we walk the finished area with you if you want to see it. Every job ends the same way: the roof is clean, the ground is clean, and you have our guarantee in writing for one full year. That’s the Garrison Standard, and it’s the same on every job.
Shingle Replacement Pricing in Orange County
Shingle replacement pricing in Orange County depends on three things: how many shingles failed, what condition the decking underneath is in, and which shingle you choose to put back on. Here’s what we see in this market:
- Small spot replacement (a few damaged shingles): $400 to $900. This is a repair, not a section replacement, and it works when the surrounding shingles are still sealing properly and the decking is sound.
- Section replacement (one slope or a 10×10 area): $900 to $2,500. This covers a larger area of failed shingles, new underlayment for that section, and any flashing work that goes with it.
- Decking replacement (if rotted): $2 to $4 per square foot, added to the shingle cost. We’ll show you the rotted wood before we touch it. This is never a surprise line item.
- Full shingle replacement (entire roof): $6 to $14 per square foot. This is a re-roof, not a repair, and it comes with the full manufacturer warranty plus our one-year written guarantee.
What changes the price the most in Orange County is the decking. Roofs in coastal cities like San Clemente and Newport Beach deal with marine moisture, while inland roofs in Orange and Anaheim deal with intense sun. Both conditions can rot or dry out the decking under the shingles. If the decking is solid, the price stays low. If it’s not, the honest thing is to replace it, and the estimate you get from us will already include it.
Every estimate we give is free. The price goes on paper before any work starts, and it doesn’t move at the door. Call (559) 258-5703 to get a real number for your roof, not a ballpark you have to call back for.
FAQs – Shingle Replacement
Is it cheaper to replace individual shingles or the whole roof?
Replacing individual shingles is cheaper in the short term, usually $400 to $900 for a small section, but it only makes sense if the rest of the roof is in solid shape. If shingles are failing across multiple areas of the roof, you’ll spend more piecing it together than you would on a full replacement. Call (559) 258-5703 and we’ll tell you honestly which one makes sense for your roof. The estimate is free either way.
How long does shingle replacement take in Orange County?
Most shingle replacement jobs are done in one day, sometimes two if the area is large or the decking needs work. Inland areas like Tustin and Orange see more decking rot from sun-dried shingles, which can add a day. Coastal areas like Laguna Niguel tend to have fewer decking issues but more flashing corrosion from salt air. We’ll give you a timeline in writing along with the price before any work starts.
Will my new shingles match the old ones?
We’ll do our best to match your existing shingles, but if your roof is more than a few years old, the surrounding shingles have faded in the Orange County sun and a perfect color match isn’t always possible. We’ll tell you before we install anything, and we’ll show you options from Atlas, IKO, and Tamko that blend as well as possible. The written estimate will note the color and the match we’re aiming for.
Do you guarantee shingle replacement work?
Yes. Every shingle replacement comes with our 365-Day Done Right Promise in writing: if it fails within one full year, we come back and make it right at no charge. That’s the Garrison Standard, and it applies to every repair and installation we do in Orange County.
Why Homeowners in Orange County Call Brennan Roofing
Most of the homeowners who call us have already been burned once. They hired a roofer who didn’t show up, or showed up late, or gave them a number over the phone and a different number after the job was done. They call us because we operate differently, and the difference isn’t a slogan. It’s four things we do on every single job.
First, the price goes in writing before any work starts. You don’t guess, and we don’t adjust. The number on your estimate is the number you pay. Second, every technician who shows up at your door is background-checked and in uniform. You know exactly who is on your roof, and you know they’ve been vetted. Third, our phones are answered by a live person around the clock. No voicemail, no callback queue, no automated system. When your roof is leaking at 11 p.m., you’ll talk to a person. Fourth, every job carries the 365-Day Done Right Promise: a written guarantee for one full year, with a free return visit at no charge if the repair or installation fails within that period. That’s the Garrison Code, and it’s the same on every job we do in Orange County.
We’re part of the Garrison Partners family, founded in 2000. Each location is independently owned and operated to the same standard. We install materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we explain the differences in plain English so you can make a decision you’re comfortable with. Homeowners from home services across the county, from Anaheim to San Clemente to Irvine, use us because the standard is the same no matter which neighborhood we’re in.
Written by Travis Oakley, Owner at Brennan Roofing Co Orange County, serving Orange County.