Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Repair Across Citrus
Roof repair in Citrus runs from about $350 for a minor shingle replacement up to $3,500 or more when a low-slope section needs its underlayment and flashing rebuilt. Our crews know the postwar ranch homes here, the ones built between the late 1940s and the 1970s with original composition shingles now decades past their design life. If you’ve spotted water staining on a ceiling or granule loss in a gutter, call (743) 200-8347 and we’ll send a background-checked technician whose name and photo arrive on your phone before he does. You’ll know exactly who’s at the door, photo ID badge clipped to a clean Mercer uniform, before you ever unlock it.
Why Mercer Roofing Is Citrus’s Preferred Roof Repair Company
Homeowners in Citrus tell us the same thing: they don’t want a stranger standing on their porch with a clipboard and no proof of who sent him. That’s the problem we built our whole process around. Every Mercer technician is background-checked, identity-verified through the Threshold Verified standard, and shows up in a marked uniform with a photo ID badge. You’ll get the technician’s name and picture before the visit, and the price is written down before any work starts.
We’re part of the Threshold Group family, founded in 2000, and every independently owned location is held to the same written standards. That means the 365-Day Done Right Promise is not a slogan. If a repair isn’t right within a year, we come back and make it right at no charge. Written guarantee on every job, free second visit if the repair fails. Citrus homeowners have the same protection whether the call is a leak above a kitchen ceiling or a ridge-cap repair after a Santa Ana wind event.
Storm Damage Roof Repair in Citrus
Storm Damage Roof Repair in Citrus usually starts with Santa Ana wind uplift, the kind that rips shingles off the windward slope and backs fasteners out over time. When the foothill passes funnel wind down into the neighborhood, the first failures are ridge caps and the leading edge of the roof, not the middle of the field. A homeowner calls us because a shingle ended up in the yard, but when we get on the roof, we often find a dozen more loose tabs and four or five backed-out nails per square. That’s not over-selling. That’s what 100°F thermal cycling plus high-velocity uplift does to a 25-year-old composition roof.
Storm damage repair in Citrus typically runs $450 – $1,800 depending on how much of the slope is involved. The lower end covers a few missing shingles and the nail holes they left. The higher end means the ridge cap and the top three courses have to be pulled and reset, with new fasteners and sealant throughout. We write the price before we lift a shingle, and the written guarantee covers the work for 365 days.
Wind-Uplift Fastener Repair
Santa Ana events don’t just rip shingles off. They loosen nails across whole sections of roof. We see this most on the north-facing slopes of Citrus homes where the wind hits hardest. The repair means removing the affected area, checking the decking beneath, and refastening with the right nail pattern for the exposure.
Ridge Cap Repair After High Winds
Ridge caps on Citrus ranch homes take the brunt of every wind event. Once a cap loosens, water gets under it and starts working down into the decking. We pull the cap, inspect for rot at the peak, and reset with fresh sealant. If the decking is soft, it comes out and gets replaced before the cap goes back on.
Metal Roof Repair in Citrus
Metal Roof Repair in Citrus mostly concerns the low-slope patio and carport sections attached to the main ranch form, where standing-seam or corrugated metal meets stucco walls and composition shingles. These transitions leak because the counter-flashing was never stepped properly or the sealant has dried and cracked after years of 100°F heat. The metal itself rarely fails. The details around it do.
Metal roof repair here typically runs $500 – $2,200 depending on whether we’re replacing a damaged panel or rebuilding the flashing at the roof-to-wall junction. A simple lap seam recaulk on a small patio cover might be $500. A full counter-flashing rebuild with new termination bar and butyl tape, plus replacing a rusted panel, pushes toward $2,200. Every repair gets a written price before work begins and carries the 365-Day Done Right Promise.
Flashing and Transition Repair
On Citrus ranch homes, the metal patio roof meets the house at a wall or a shingle plane. That junction is where water gets in. We remove the old counter-flashing, inspect the wall sheathing behind it, and install new metal with proper overlap and sealant. The repair includes written confirmation of what was opened and what went back in.
Low-Slope Metal Panel Replacement
Hail and wind-borne debris out of the foothills dent and crease metal panels. A dented panel isn’t just ugly; it changes water flow and can pool water against the seam. We match the panel profile where possible and replace the damaged section with new fasteners at the correct spacing for Citrus wind conditions.
Trusted Brands We Service in Citrus
Our Roof Repair team works with manufacturer-recognized shingle brands including GAF, Owens Corning, and Atlas, and we keep common profiles and colors available for faster turnaround on Citrus jobs. Whether the repair is on a GAF architectural shingle roof or an Atlas composition roof from a previous re-roof, we match the material and the exposure as closely as possible. For low-slope sections, we use modified bitumen systems that comply with the LA County Class A fire-rating requirements that apply across much of this community. That compliance isn’t optional; it’s how permits get signed off.
Common Roof Repair Problems We See in Citrus Homes
- Past-design-life composition shingles. Most of the original and single-replacement roofs in Citrus went on between the 1970s and 1990s, and they’re now beyond the 20 to 25 year window the shingle design anticipated. A small leak repair often reveals brittle shingles that crack when lifted and decking that has been wicking moisture for years.
- Low-slope section failures. The attached patio or carport roof on a Citrus ranch home was frequently detailed with the wrong material from the start. Built-up or modified bitumen with proper flashing is the correct system for these low slopes, but many were done with shingles that shouldn’t be there, and the leak keeps returning until the section is rebuilt.
- Fastener back-out from thermal cycling. Summer temperatures in Citrus regularly pass 100°F, and the shingle deck expands and contracts all day long. After twenty or thirty years of that, nails work loose, shingles slide, and wind gets under the tabs. We find backed-out fasteners on nearly every older roof we repair here.
- Ridge-cap decay at the peak. The ridge cap takes direct sun and the highest uplift force during Santa Ana events. On Citrus homes, the cap is often the first component to fail, and once it goes, water follows the peak line straight into the attic at the highest point of the house.
Pricing for Roof Repair in Citrus, CA
Repair pricing in Citrus reflects the age of the housing stock and the County’s material requirements. A simple shingle replacement runs $350 – $600. Flashing repair around a chimney or wall runs $450 – $900. A vent boot replacement is typically $300 – $500. A valley rebuild with new underlayment runs $900 – $1,800. Low-slope roof patches on ranch patio sections run $700 – $2,200 depending on whether the decking beneath has failed. The VHFHSZ Class A requirement means repairs on the main roof must use fire-rated assemblies, which can add material cost compared to flatland communities a few miles west. Call (743) 200-8347 for an exact written quote. Estimates are free, and no work starts until you’ve approved the number in writing.
We Also Serve Cities Near Citrus
While this page focuses on Roof Repair in Citrus, our crews also cover nearby communities including Los Angeles, San Diego, San Jose, and San Francisco. If you’re a few miles outside Citrus and wondering whether we’ll come out, call (743) 200-8347 and tell us where you are. Dispatch and scheduling are coordinated from the brand’s Los Angeles office, and crews serve the Citrus area locally.
Serving Citrus, CA - Our Local Coverage Area
We’re based in the Citrus 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 About Roof Repair in Citrus
Because the decking under the shingles is often worse than the shingles themselves suggest. On a 1950s ranch here, we opened a low-slope patio section to fix a persistent leak and found the underlayment had failed and the decking was soft from years of thermal cycling, with no ice and water shield at the valley. Once we exposed that, the correct repair was a full rebuild of that slope, not a patch. We wrote the decking replacement and flashing rebuild as a contract allowance, got written approval before tearing anything else out, then installed GAF architectural shingles on the main slope and modified bitumen on the low-slope section with new drip edge and counter-flashing. The homeowner got a signed change order and a County-inspected repair instead of a mid-job surprise. Call (743) 200-8347 and we’ll walk you through what an allowance is and why it protects you.
Yes. LA County Building & Safety requires Class A fire-rated roofing materials on re-roofs in the VHFHSZ portions of Citrus, and that applies to repairs that trigger re-roof thresholds. Wood shake is banned outright, and the assembly matters, not just the shingle. That’s why material specs and costs look different here than in flatland communities a few miles west toward Covina or Baldwin Park. When we write your quote, we include the fire-rated assembly from the start so the permit doesn’t stall at inspection. Call (743) 200-8347 for a price that already accounts for the County requirement.
LA County Department of Public Works handles every roofing permit in Citrus because the community is unincorporated. There’s no city building department here, so inspection windows and code interpretations follow County timelines and standards. Out-of-area roofers often quote the job like any other city, then get stuck when the County process doesn’t match their assumptions. We know the process and build the schedule around it. Written price first, permit pulled before we start, inspection passed before we call the job done.
Summer heat past 100°F paired with Santa Ana wind uplift drives most of what we see. The shingle deck expands and contracts daily in the inland San Gabriel Valley heat, and over twenty or thirty years, that thermal cycling backs nails out and cracks ridge caps. Then a wind event gets under the loose tabs and starts peeling layers. The fix is often a slope-level repair, not a cosmetic touch-up. Call (743) 200-8347 and ask for a written quote on the affected slope.
Yes, and we do it frequently. The low-slope patio and carport sections attached to Citrus ranch homes are commonly detailed with the wrong material from the start, which is why the leak keeps returning. The correct repair uses built-up or modified bitumen with proper flashing, and that’s what we install. If the decking beneath has failed, we’ll show you the soft wood and get written approval before replacing it. Every repair carries the 365-Day Done Right Promise.
If you have a ceiling stain, a missing shingle, or a leak you can’t trace, call (743) 200-8347. You’ll get a written quote before any work starts, a technician whose name and photo you receive before the visit, and a repair guaranteed for 365 days. That’s how roof repair in Citrus should work.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Citrus since 2000.