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 South Pasadena
Roof replacement in South Pasadena typically runs $14,000 – $28,000 for a standard single-family home, with historic clay tile or custom-matched profiles pushing the upper end. Most full replacements take 3 – 7 days once materials are on site and permits are cleared. If you’re reading this from a 1920s Craftsman on Mission Street or a Spanish Colonial up near Raymond Hill, you already know your roof isn’t a simple tear-off job. Koreatown Roofing works in South Pasadena every week, and we know exactly what those roofs throw at you the moment the old tile comes up. Call (866) 974-2271 for a free estimate, and we’ll explain what your specific roof needs before you spend a dollar.
Why Koreatown Roofing Is South Pasadena’s Preferred Roof Replacement Company
South Pasadena homeowners keep calling us for one reason: we’re roofing specialists, not generalists. Manny Cordero built this company around a single trade. Every job we do is a roof. That focus matters when you’re dealing with a 1922 Spanish Colonial whose original tile profile hasn’t been manufactured in six decades. General contractors in South Pasadena often sub the roofing to whoever’s available. We don’t. Our crew shows up knowing the difference between a Boral clay tile profile and a salvaged 1920s Catalina profile before we ever set a ladder.
We also carry relationships with seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That means when a South Pasadena homeowner asks for a specific material match, we’re not locked into whatever one supplier happened to have in stock this month. Your roof, your material choice. We work with the brands you already trust, and we’ll tell you honestly when a less expensive option will perform just as well on your specific roofline. Neighborhood accountability means our reputation lives or dies on every street we work in South Pasadena, from the 91030 flats to the 91031 hills.
Styles & brands we work with






New Roof Installation in South Pasadena
New Roof Installation in South Pasadena means a complete tear-off down to the decking, structural inspection of the framing, any required decking replacement, new underlayment, and the new roof system itself. On most pre-1930 homes here, this is where the real conversation starts. A straightforward new roof install on a mid-century ranch in the 91030 ZIP typically runs $15,000 – $22,000. On a larger historic home with custom clay tile profiles, expect $24,000 – $32,000. The range exists because what’s under the old roof changes the scope, and in South Pasadena, what’s under the old roof is rarely pretty.
The Tear-Off Truth
Any roofer in South Pasadena who quotes you a price before seeing the decking is guessing. We open up roofs in this city and find soft spots from decades of small leaks that never showed inside the house. On older Craftsman bungalows, the decking can be 100 years old and thinner than current code allows. We factor decking replacement into the bid upfront, with clear unit pricing per sheet, so the allowance is already in your contract instead of surfacing as a surprise change order later.
Permit-Triggered Upgrades
South Pasadena’s building department reviews every full roof replacement. Once your roof is open and the inspector walks it, undersized framing that met code in 1925 often has to be brought up to current standards. We handle that in writing before any work starts: any code-required framing upgrade gets priced and approved by you, line by line. No verbal “we’ll figure it out.” No handshake scope creep. This is how Koreatown Roofing protects South Pasadena homeowners from the remodel-quote spiral no one warns you about.
Reroofing in South Pasadena
Reroofing in South Pasadena typically means installing a new roof system over the existing one without a full tear-off, and it’s usually only viable when there’s a single layer of roofing and the decking is in sound condition. On South Pasadena’s older homes, that second condition fails often. We evaluate the decking before recommending reroofing, and in many cases, what looks like a simple reroof opportunity turns into a partial replacement once we inspect. A reroof on a single-story bungalow here usually lands between $9,000 and $14,000, but the honest number comes only after the inspection.
When Reroofing Makes Sense Here
Some mid-century ranches in South Pasadena still have their original wood shake or composition shingle over solid plywood decking. If the decking is dry and the rafter spacing meets current code, a reroof with architectural shingles from GAF or CertainTeed is a legitimate, budget-friendly option. We’ll tell you if your house qualifies. We’ll also tell you when it doesn’t, because a reroof over failing decking just hides the problem under a new roof you’ll be paying to tear off in five years.
Historic District Complications
If your Reroofing project sits in the Raymond Hill or Mission Street historic districts, the city’s design-review process applies regardless of whether you tear off or reroof. The replacement material must match the original profile. That means wood shingle stays wood shingle or an approved lookalike, clay tile stays clay tile, and no one puts architectural asphalt shingles on a 1925 Spanish Revival without a fight. We know the review process, we know the forms, and we’ve matched more original South Pasadena roof profiles than any general contractor working the area.
Trusted Brands We Service in South Pasadena
We install and service roofing systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, which gives South Pasadena homeowners a genuine material choice instead of whatever one manufacturer had in the warehouse. If your home needs a clay tile profile matched, Boral’s current catalog often covers what we need. If you’re replacing a composition roof on a mid-century ranch, GAF or Owens Corning architectural shingles are reliable options we regularly install here. We keep local parts stocked for common South Pasadena repair scenarios, so material delays don’t drag your project past its completion date. When you call, ask us which brand fits your roofline and your budget. We’ll give you a straight answer.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in South Pasadena Homes
- Hidden decking rot under original clay tile. Cracked 1920s tile lets water sit on the underlayment for decades, and by the time we pull the tile, the decking is often too far gone to save. You won’t know until the roof is open. We write the decking allowance into your contract before we start so the cost is transparent, not a shock.
- Historic design-review delays. If your replacement material doesn’t match the original profile, South Pasadena’s review board will bounce the application. We submit the right match the first time. In the Raymond Hill and Mission Street districts, that often means sourcing salvaged tile or custom-matching clay profiles that haven’t been manufactured since the Coolidge administration.
- Santa Ana wind damage to tile and flashing. High, dry winds crack clay tile and tear flashing at valleys and penetrations. That damage rarely shows from the ground. Our inspections catch it early, before a winter rain turns a cracked tile into a living room ceiling stain.
- Undersized framing from pre-1930 construction. Many original South Pasadena roofs were framed for materials far lighter than today’s tile systems. When we replace, the code trigger often requires sistering or upgrading rafters. We price that with clear per-linear-foot costs before any work begins.
Pricing for Roof Replacement in South Pasadena, CA
Here’s what you’re actually looking at in South Pasadena in 2026. A full tear-off and replacement on a mid-century ranch runs $15,000 – $22,000. A reroof over sound decking on a smaller single-story bungalow lands at $9,000 – $14,000. Historic homes requiring salvaged tile, custom profile matching, or significant framing upgrades push $24,000 – $32,000. The biggest swing factors are decking condition, whether design review applies, and what you’re putting back on. Asphalt architectural shingles are the most economical. Clay tile and wood shingle, especially when matched to historic profiles, cost more. Every estimate we give is free, written, and line-itemed. Call (866) 974-2271 to schedule yours. You’ll know the exact number before you sign anything.
We Also Serve Cities Near South Pasadena
Our Roof Replacement team works throughout the San Gabriel Valley. If you live in Alhambra, Pasadena, San Marino, or San Gabriel, we handle full roof replacement there too, with the same material selection and the same written allowances. Read more about our South Pasadena coverage or visit our Roof Replacement page to see how we handle projects across the region.
Serving South Pasadena, CA — Our Local Coverage Area
We’re based in the South Pasadena 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 South Pasadena
Yes. If your home sits in the Raymond Hill or Mission Street historic districts, or on any property covered by the city’s 1984 historic preservation ordinance, you’ll need design-review approval before replacing the roof. The replacement material must match the original profile: clay tile stays clay tile, wood shingle stays wood shingle, and an asphalt shingle swap won’t pass on a designated historic home. We prepare the application, source the matching material, and submit it for you. Call (866) 974-2271 and we’ll check your property’s status before you spend time or money.
We write allowances into your contract before the tear-off starts. If we find rotted decking or framing that needs upgrading to pass inspection, you get a written line-item price for the additional work and you approve it before we proceed. We will not do surprise work and bill you after the fact. That’s how Manny Cordero runs every South Pasadena job.
In most cases, yes. We source salvaged tile from decommissioned buildings and work with suppliers who custom-match historic clay profiles. If a true match is impossible, we present you with the closest approved alternative and walk you through the design-review conversation. On a 1922 Spanish Colonial in the Raymond Hill historic district, our crew opened up the roof to find the original 1920s clay tile had cracked along the ridges and the underlayment was failing, but more critically, the decking had soft spots and the framing was undersized for current code. We sourced salvaged tile to match the historic profile, replaced the damaged decking and added ice and water shield in the valleys, then upgraded the framing to meet permit requirements, all documented and approved in writing before we touched a single tile. That’s the standard on every historic South Pasadena roof we touch.
A square is 100 square feet of roof surface. When a quote says your roof is 24 squares, you’re paying for 2,400 square feet of materials and labor. Your quote should show a cost per square, because that’s how you compare bids honestly. If a South Pasadena roofer gives you a lump sum with no square count and no decking allowance, ask why. Call (866) 974-2271 for a line-itemed square-by-square estimate you can actually read.
South Pasadena’s hot, dry summers and Santa Ana wind events accelerate tile cracking and shingle deterioration, while winter rains expose flashing and underlayment failures on aging roofs. High UV exposure also degrades underlayment faster than most homeowners realize. We recommend annual inspections after installation so small wind damage or cracked tile doesn’t turn into a decking replacement, and we handle those inspections for every roof we replace. Call (866) 974-2271 to schedule yours.
Written by Manny Cordero, Owner at Koreatown Roofing, serving South Pasadena since day one.