Old Mill Roofing Co.Compare Irvine roofing quotes without the runaround.My estimate

What roofing costs in Irvine

Ranges rather than prices, because nobody can price a roof they have not stood on. They are here so a quote that is well outside them prompts a question.

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What best describes your home?

Different buildings need different crews, so this is the first thing a roofer asks.

Nothing is charged and nothing is booked.

Full replacement, typical home$11,500 to $30,000Estimated installed range in Irvine for a single-family roof.
Per square, architectural asphalt shingle$650 – $950One square is 100 square feet of roof surface.
Emergency tarp-over$425 – $1,200Stops the water tonight. It is not a repair.

These are estimated ranges, not quotes. Compiled from public installed-cost data for California and adjusted for how Irvine is built. No contractor is bound by them, and nobody can price a roof they have not stood on.

What a roof looks like as a monthly payment

Straight amortisation on the amount and rate you type in. Nobody is offering you these terms, us least of all — this is the arithmetic so you can check whatever a lender or a contractor does offer.

Prefilled with the middle of the typical Irvine replacement range. Change it to whatever you have been quoted.

Roofing paper commonly lands somewhere between about 7% and 18% depending on credit and on the programme. Put in the number you have actually been given.

Try:

Monthly payment by term, at the amount and rate above. Illustrative only.
TermPer monthInterest paidTotal paid
3 years36 payments
5 years60 payments
7 years84 payments
10 years120 payments
15 years180 payments

The assumptions, in full

  • A fixed rate, equal payments, and interest compounded monthly. Nothing is deferred and nothing balloons at the end.
  • No down payment, no dealer or origination fee, no prepayment penalty, and no insurance product added on. Real roofing finance often carries a dealer fee, and it is usually already inside the price you were quoted.
  • Promotional "same as cash" and zero-interest offers work differently: the interest is typically owed retroactively if the balance is not clear by the deadline. This table does not model that.
  • The prefilled amount is the middle of the typical replacement range for Irvine from public cost data. It is not a quote for your roof.

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Roofing costs around Irvine

Estimated installed ranges for a typical 25-square roof in Irvine — around 2,500 square feet of roof surface. These are guidance, not quotes.

White single-ply membrane on a low-slope roof with welded seams
White single-ply membrane on a low-slope roof
Corrugated metal roofing panels with exposed fasteners
Corrugated metal panel with exposed fasteners
Dark modified-bitumen cap sheet on a flat roof with a parapet edge
Modified bitumen cap sheet on a flat roof

Illustrative photographs of roofing work in general. Not photographs of jobs arranged through this site.

Installed cost ranges, Irvine, CA. One square = 100 square feet.
CoveringPer squareTypical whole roofExpected life
Architectural asphalt shingleThe default choice on most American homes, and usually the right one.$650 – $950$11,500 – $29,50025 to 30 years
3-tab asphalt shingleThe cheapest thing that still counts as a roof. Fewer and fewer crews will install it.$525 – $700$9,500 – $21,50015 to 20 years
Impact-rated asphalt shingleClass 4 rated. Often earns an insurance discount where hail is a factor.$900 – $1,300$16,000 – $40,50025 to 35 years
Concrete tileThe tile lasts far longer than the underlayment beneath it, which is the catch.$1,200 – $2,100$21,500 – $65,00040 to 60 years
Clay barrel tileOften salvaged and re-laid over new underlayment rather than replaced.$1,600 – $3,300$29,000 – $102,50050 to 80 years

What moves the number

  • Warranty tier, which is really a question about who honours it in fifteen years
  • Whether the valleys, drip edge and step flashing are being replaced or reused
  • Whether the fasteners and flashing are specified for coastal exposure
  • How much decking turns out to be soft once the covering is stripped
  • Pitch — anything over about 7:12 needs staging and slows a crew down

Common repairs

Emergency tarp-over$425 – $1,200
Small leak, flashing or a few shingles$500 – $1,300
Valley, chimney or skylight reflash$950 – $3,100
Section replacement, one slope$1,600 – $5,200

What is behind these figures. National installed ranges, adjusted for California labour and material costs and for how Irvine is actually built. They are a sanity check on the quotes you receive, nothing more. No contractor is bound by them.

Extras that turn up on quotes

ItemTypical rangeNotes
Roof inspectionFree – $508Frequently free when it is tied to an estimate. Paid inspections buy you a written report you can hold somebody to.
Tear-off, per layer per square$158 – $303Two old layers costs roughly twice what one does to remove and tip.
Seamless aluminium gutter, per foot$12 – $28Most homes run 160 to 220 feet.
Ridge and intake ventilation upgrade$636 – $2,446The cheapest thing you can do to make the next roof last its full life.
Tile lift-and-relay, per square$726 – $1,377Existing tile comes off, new underlayment goes down, the same tile goes back.
Skylight replacement, each$1,244 – $3,675Cheaper done during a re-roof than on its own afterwards.

Cost questions

Are you a roofing company?

No, and it matters that we say so. We are a referral service, not a contractor. The roofing work, the licence, the insurance and the warranty all sit with the independent company you choose.

How quickly will someone call?

Most requests are picked up the same day, often within an hour. Emergencies are prioritised. If you have not heard anything by the next morning, check voicemail — contractors usually call from a mobile.

What if the decking is rotten underneath?

Expect a few sheets on most older roofs. Get the per-sheet rate in the contract. Open-ended decking charges are where a fixed price stops being fixed.

How long should a roof last here?

Rated life and real life are different numbers. Here, salt and sun together tend to take the low end of any rated life. Ventilation and the quality of the installation move that more than the brand does.

I have solar panels. What happens to them?

They come off and go back on, and that is a separate cost, often handled by the solar installer rather than the roofer. If the roof is near the end of its life, do the roof first — removing and refitting panels twice is money wasted.

What is it going to cost?

No cost, no obligation, and never more than three contractors.