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 Orange
Roof replacement in Orange runs $9,500 – $18,000 for a typical asphalt shingle tear-off on a 1,500 – 2,000 sq ft home, and most projects take 3 – 5 working days once permits are issued. That’s the straight answer. We’re Millstone Roofing, and we’ve worked across every Orange neighborhood, from the Craftsman bungalows around the Plaza in 92866 to the mid-century tracts off Chapman and the newer builds east of the 55. If your roof is failing and you want a real assessment, not a sales pitch, call (855) 341-6021 and we’ll start with an inspection.
Why Millstone Roofing Is Orange’s Preferred Roof Replacement Company
Orange homeowners tend to be skeptical of roofing sales tactics. Fair. We are too. Nelson Ibarra built Millstone Roofing around a simple rule: inspect first, document what you find, and recommend repair when repair is right and Roof Replacement only when it isn’t. That’s why we stock materials from GAF, CertainTeed, and Owens Corning rather than pushing one brand. The right material for your roof, not the easiest one for us to stock.
We know the difference between a 1923 Spanish Colonial Revival near the Plaza and a 1978 ranch tract home in 92867. Different framing, different sheathing, different historic overlay rules. Our crews have pulled original wood shingles off Old Towne homes and found what’s underneath matters more than what’s on top. Before any quote, you get a written inspection report with photos. Before any extra work, you get a written change order with a price. No handoffs to another company, no subcontractor roulette. One crew from the first inspection to the final shingle.
Call (855) 341-6021 for a free inspection and a line-item quote. Here’s what to expect across Orange’s common roof replacement projects.
Styles & brands we work with
Asphalt Shingle Roof Replacement in Orange
Asphalt Shingle Roof Replacement is the most common project we do in Orange, especially in the tract subdivisions along Chapman and Tustin Avenues where homes were built and shingled the same year, meaning entire blocks often hit replacement age together. A standard tear-off and architectural shingle install here runs $9,500 – $15,500 depending on square footage, roof complexity, and what the tear-off exposes beneath. In Orange’s older 92866 neighborhoods, that exposure often means rotted skip-sheathing or failed flashing at the porch and carport transitions. That’s not a surprise to us; it’s part of the job.
What the Tear-Off Reveals
On a 1920s Craftsman off North Glassell, our crew pulled the original wood shingles and found sagging skip-sheathing plus a hot-mop porch roof flashing that had been failing for years. We re-decked the span, laid ice and water shield in the valleys, and matched a compatible low-slope membrane before hanging new drip edge and fascia. The homeowner got a written change order with the added cost before we touched any of it.
Santa Ana Wind Ratings
Orange sits in a wind corridor where Santa Ana events regularly push 40 – 60 mph gusts through the canyons. We install architectural shingles with a 110 – 130 mph wind rating when the roof pitch and exposure call for it. Standard 3-tab won’t last the same way in the east Orange foothills. We’ll spec it correctly.
New Roof Installation in Orange
New Roof Installation in Orange adds another layer of planning, especially when the project touches a historic overlay zone or involves a full re-deck. For new construction or a full re-deck on an existing home, expect $14,000 – $22,000 depending on the decking condision, the material choice, and any design-review requirements. In Old Towne, material specs for visible fascia and roofing can be dictated by the historic overlay before a permit gets issued. We handle that from day one.
When the Deck Has to Go
Skip-sheathing was common across 1900s – 1930s Orange construction. It’s spaced boards, not solid plywood, and it sags. When a tear-off exposes it, building code requires solid sheathing before new underlayment and shingles go down. That’s a line item we flag during the initial inspection when we can see the eave gaps, so you know it’s coming before work starts.
Historic-Overlay Material Matching
In the Old Towne Plaza historic overlay, the city can require era-compatible roofing such as wood shingle, clay tile, or a low-slope membrane that fits the original character. We’ve done this. We know how to spec it so the permit moves and your roof still performs. If you’re in 92866 and your roofer hasn’t mentioned design review, call us instead.
Trusted Brands We Service in Orange
We’re not tied to one manufacturer. Millstone Roofing works with GAF, CertainTeed, Owens Corning, and four other shingle brands, which means your recommendation is driven by what your Orange roof actually needs and what your budget supports, not a supplier quota. If your Old Towne home needs a wood-shingle look and your neighbor’s 1970s ranch needs a high-wind architectural class, we spec both correctly. Manufacturer-backed warranties are available through recognized brand programs, so you get documented protection that outlasts the installation crew.
Common Roof Replacement Problems We See in Orange Homes
- Rotted skip-sheathing under original wood shingles. Common across 92866’s Craftsman and Spanish Colonial Revival stock. The roof looks fine from the ground; the deck beneath is soft and sagging once shingles come off.
- Hot-mop and low-slope porch roof failures at the flashings and drains. Santa Ana heat cycles dry out the membrane and crack the flashing at the transitions. The field membrane often looks fine; the edges are where water gets in.
- Historic-overlay material requirements missed before tear-off. If the city requires wood shingle or clay tile and the roofer already ordered composition, you’re holding a permit delay mid-project. We verify design review requirements before we order anything.
- Cloth wiring exposed in opened eaves. This isn’t a roofing problem until we open the eave to replace fascia or decking, and then it’s a code issue that must be addressed. We photograph it, price it in writing, and get your approval before closing up.
See the difference
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After
Before
After
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AfterPricing for Roof Replacement in Orange, CA
Here’s what we see in current Orange pricing. Asphalt shingle tear-off and replacement: $9,500 – $15,500. New roof installation with full re-deck: $14,000 – $22,000. Low-slope or flat porch roof replacement: $3,000 – $7,000 per porch depending on membrane type and substrate condition. Re-decking only: $3 – $5 per square foot. What moves the number: the condition of the deck once shingles come off, historic overlay material requirements, roof pitch and access, and the shingle class you choose. Your written estimate includes allowance line items for the open-up unknowns common in older Orange homes. Call (855) 341-6021 for an exact line-item quote. Estimates are free.
We Also Serve Cities Near Orange
Millstone Roofing serves Orange and the surrounding communities, including Villa Park, North Tustin, Tustin, and Anaheim. The same inspection-first process, the same seven-brand material selection, and the same written-approval rule apply wherever your roof is. If you’re in one of those cities and your roof is showing its age, call us.
Serving Orange, CA — Our Local Coverage Area
We’re based in the Orange 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 Orange
Yes, in many cases. Orange’s Old Towne Plaza historic overlay can require design review for visible roofing materials, fascia, and low-slope membrane specifications before a permit is issued. We check the property’s overlay status and required material compatability before we quote, so you don’t get a permit hold mid-project. Call (855) 341-6021 and we’ll check your specific address.
Because the condition under the shingles isn’t visible until the shingles come off. Older Orange homes, especially those built before 1940 in 92866, often have rotted skip-sheathing, failed porch-roof flashings, or exposed cloth wiring in eaves that a tear-off reveals. A roofer who doesn’t flag these risks up front is giving you a number that will move. We write open-up allowances into every quote and get written approval before any added work. Call (855) 341-6021 for a quote that accounts for what your home is likely to have.
First, confirm both bids list the same shingle class and the same underlayment. Second, ask whether the bid includes re-decking if rotted sheathing is found. Third, ask about the historic overlay if you’re in 92866. We give you a line-item bid with named materials and explicit allowances, so you can place it next to another bid and see exactly what’s included. Call (855) 341-6021 for a bid that’s built for comparison, not confusion.
Yes. We spec shingles rated for 110 – 130 mph wind resistance in exposed Orange locations, particularly toward the eastern foothills and anywhere with an unobstructed north or east exposure. The shingle’s wind rating directly affects warranty coverage after a Santa Ana event. We’ll tell you what class fits your roof’s exposure and pitch. Call (855) 341-6021 for a spec based on your actual roofline, not a brochure.
They’re low-slope or dead-flat, so they can’t shed water the way a pitched roof does. The failure point is almost always the flashing, drain, or the transition to the main roof, not the field membrane. Hot Santa Ana heat cycles dry out old hot-mop membranes and crack those transitions. We need to inspect the draining plane, not just look at the surface. If your 92866 home has a flat porch or carport roof, call (855) 341-6021 and we’ll inspect it as part of the free roof assessment.
Written by Nelson Ibarra, Owner at Millstone Roofing, serving Orange and the surrounding communities. Millstone Roofing starts every job with a professional inspection, carries seven shingle brands including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and gives you written findings before any work is scoped. Call (855) 341-6021 to schedule a free roof inspection in Orange.