Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Citrus
Roof replacement in Citrus runs $11,000 to $22,000 for a typical single-family home, with asphalt shingle systems at the lower end and standing seam or tile at the top. Most Citrus projects take 2 to 5 days once tear-off begins, and the deciding factor here isn’t shingle choice, it’s the metal underneath. Millstone Roofing has torn off and rebuilt roofs in every corner of Citrus, from the mid-century tracts off East Baseline Road to the newer stucco homes near the 210 corridor, and we know exactly what this valley’s heat and wind does to a roof over 20, 30, 40 years.
Call (855) 341-6021 to schedule a roof inspection in Citrus. We start every project there, not at the sales pitch.
Why Millstone Roofing Is Citrus’s Preferred Roof Replacement Company
Citrus homeowners tend to ask harder questions than most, and we like that. They’ve seen enough roofs fail on this side of the San Gabriel Valley to know the difference between a recommendation backed by findings and a recommendation backed by a sales quota. Our process is inspection-first, always. Nelson Ibarra built Millstone Roofing around a simple rule: we document what’s actually happening on your roof before we propose anything. That means photos, measurements, and written findings you can hold us to.
What Citrus customers tell us they value most is that we carry seven major roofing material lines, including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. A single-brand contractor has to make their product fit your roof. We don’t have that problem. If a mid-century Citrus bungalow needs a fire-resistant asphalt shingle, we spec it. If a newer two-story needs architectural shingles with a higher wind rating, we spec that. The right material for your roof, not the easiest one for us to stock.
Response time matters here, too. Citrus sits in the hot interior, and when a Santa Ana event peels back an east-facing slope, you want a crew that can get to 91702 quickly. We’re based nearby and run a tight schedule of inspections and estimates across Citrus weekly. One crew, one company, from the first inspection to the final shingle.
Styles & brands we work with






Asphalt Shingle Roof Replacement in Citrus
Asphalt shingle roof replacement is the most common full replacement we do in Citrus, largely because so many of the city’s 1950s and 60s tract homes were originally built with wood shake or low-slope built-up roofs that have hit the end of their useful life and need a complete re-roof, not another patch. In Citrus, a full asphalt shingle replacement on a typical 1,200 to 1,800 square foot ranch runs $11,000 to $16,000, including tear-off, underlayment, new drip edge, and new shingles with a manufacturer-backed warranty. The labor is straightforward, but the details here are where Citrus roofs live or die.
What Gets Replaced Under the Shingles
Most Citrus homeowners only see the shingles, but the real work is underneath. We routinely replace rotted or fatigued decking on mid-century homes where 100°F-plus thermal cycling has wallowed out fastener holes over 50 years. Older galvanized drip edge and valley flashing, corroded by the inland-pushed marine air that reaches Citrus on afternoon winds through the San Gabriel Valley, gets swapped for hot-dip galvanized or stainless spec. If you skip that metal work, the new shingles will outlast the roof they’re nailed to.
Architectural vs. Three-Tab in This Climate
Architectural shingles cost roughly 15 to 20% more than three-tab in Citrus, but they hold up measurably better under repeated Santa Ana wind cycling and intense UV exposure. We recommend architectural grade for most Citrus replacements, particularly on east-facing slopes that take the brunt of the dry fall winds. Three-tab still works on low-visibility rear slopes or tight budget projects, and we’ll tell you honestly when that’s the case.
New Roof Installation in Citrus
New roof installation in Citrus applies to additions, ADU builds, and full tear-down rebuilds on the city’s 1950s to 70s lots, where homeowners are finally updating original homes rather than replacing individual layers. A complete new roof install on a newly framed Citrus structure typically runs $14,000 to $22,000, depending on the system specified, the footage, and the roof geometry. New construction gives us one advantage: we build the ventilation and flashing details right the first time, without working around 50 years of previous repairs.
Ventilation and Underlayment for Valley Heat
New builds in Citrus need attic ventilation calculated for 100°F-plus summer highs, not for a coastal climate. We size ridge and soffit venting to move hot air continuously, and we specify a high-temperature synthetic underlayment that won’t break down under sustained interior heat. This matters more here than in Pasadena or Glendora because Citrus sits in the valley’s hot interior with less marine cooling.
Fire-Resistant Options Worth Considering
Given Citrus’s dry summers and Santa Ana wind season, many homeowners choose Class A fire-rated shingle assemblies on new construction. We carry rated products from Atlas, Tamko, and Boral, and we’re glad to walk through the cost difference between a standard composition roof and a fire-resistant assembly. In this specific part of the San Gabriel Valley, that upgrade often makes more sense than upgrading shingle color.
Trusted Brands We Service in Citrus
Millstone Roofing works with seven of the roofing industry’s leading manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Citrus homeowners, that means we can pull from local suppliers quickly when a project needs a specific shingle color, profile, or wind rating. We don’t push a single brand because we don’t have to. If you want Atlas architectural shingles on your East Baseline Road ranch, we’ll get them. If a CertainTeed product fits your budget better, we’ll tell you that instead. Manufacturer-backed warranties are available through each brand’s recognized programs, and we document which warranty applies to your specific roof.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Citrus Homes
- Split and lifting wood-shake butts after dry summers: Citrus’s combination of extreme inland heat and dry Santa Ana winds causes original wood shakes to dry, split, and cup at the edges. The first strong wind event in October or November peels back east-facing slopes, and that’s when the emergency calls start, not during the rainy season.
- Corroded drip edge, valley flashing, and ridge vent hardware: Salt-laden marine air still reaches Citrus on the afternoon push through the San Gabriel Valley. It settles on metal fastener heads and flashing, not on the shingles themselves, so a cheap inland-spec roof leaks at the metal long before the shingle surface wears out.
- Wallowed fastener holes and telegraphing underlayment on 1950s-70s homes: Original built-up and shake roofs were never detailed for Citrus’s thermal cycling. The roof deck expands and contracts through 40 to 60 summers, the fastener holes fatigue, and the next layer of underlayment telegraphs through as visible ridging.
- Improper attic ventilation accelerating shingle failure: Many original Citrus homes have undersized or blocked attic venting, which pushes attic temperatures past 140°F in July and August. That heat bakes the shingle mat from underneath, shortening the roof’s life regardless of what product was installed on top.
Pricing for Roof Replacement in Citrus, CA
Expect to pay $11,000 to $16,000 for a full asphalt shingle replacement on a standard Citrus ranch home, $14,000 to $22,000 for new construction or a more complex architectural system, and $18,000 to $30,000 for standing seam metal or tile. The big variable in Citrus isn’t shingle brand, it’s the metal spec. Coastal-spec details, which means stainless ring-shank fasteners, hot-dip galvanized drip edge, and marine-grade ridge vent hardware, add roughly $800 to $1,500 to a typical roof. Inland-spec galvanized metal saves that money up front, but we’ve torn off roofs where the cheap galvanized flashing rusted paper-thin in under a decade. The cheap spec costs more within 10 years. Call (855) 341-6021 for a written line-item quote, free of charge, with no change orders after the contract is signed.
We Also Serve Cities Near Citrus
Millstone Roofing’s Roof Replacement team regularly serves homeowners in Azusa, Irwindale, Covina, and Glendora, in addition to our work throughout Roof Replacement in Citrus. If you’re just over the Citrus border and weighing a replacement, we’ll bring the same inspection-first process to your roof.
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 Replacement in Citrus
Yes, and the reason is the inland-pushed marine air that reaches Citrus through the San Gabriel Valley on afternoon winds. It corrodes galvanized drip edge, valley flashing, and ridge vent hardware at the fastener heads, often within a decade. We recommend stainless ring-shank fasteners and hot-dip galvanized or stainless flashing details on every Citrus replacement. Call (855) 341-6021 and we’ll show you the difference on your own roof during the inspection.
Because Citrus’s dry summers bake wood shakes and aged shingles until they’re brittle, and the first strong Santa Ana wind event in fall peels back east-facing slopes all at once. The damage happens before the rain arrives. If you think your roof won’t survive the next wind event, schedule an inspection now rather than waiting for the emergency rush. Estimates are free at (855) 341-6021.
For most original shake roofs in Citrus, replacement is the right call. By the time the butts are split, the shakes are cupped, and the decking underneath has gone through 50 years of thermal cycling, restoration means paying to preserve a roof system that no longer meets current fire or wind standards. We’ll inspect the decking and fastener holes and tell you honestly whether any of the original roof is worth saving. Call (855) 341-6021 to schedule that inspection.
Look at the metal spec first, because that’s where cheap bids hide in Citrus. One bid might be $1,200 lower because it uses standard galvanized drip edge and flashing that will corrode at the fastener heads within 10 years. Ask for line items on fasteners, drip edge, flashing, and ridge vent hardware, and compare the underlayment spec. If a bid won’t itemize those materials, that’s your answer. We give every Citrus homeowner a written line-item quote before starting, no exceptions. Call (855) 341-6021 for one on your roof.
Yes, and this is one of the most overlooked factors in Citrus roof replacements. Summer highs regularly exceed 100°F in the valley, and an under-ventilated attic can hit 140°F or more, baking shingles from underneath and cutting their life short. We calculate ridge and soffit venting for Citrus’s climate and offer reflective shingle options that lower attic temperatures. If you’re replacing a roof, fix the ventilation before it becomes the reason the next roof fails early. Call (855) 341-6021 to have your current attic ventilation evaluated as part of the free inspection.
Written by Nelson Ibarra, Owner at Millstone Roofing, serving Citrus and the San Gabriel Valley with inspection-first roof replacement, repair, and new installation.