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 Roof Replacement Across Pasadena
Roof replacement in Pasadena usually costs between $14,000 and $32,000 for a full tear-off on a typical single-family home, with most projects finishing in five to eight working days once materials arrive. That range shifts based on square footage, pitch, and whether your home sits in a historic district that requires Cultural Heritage Commission review before the first shingle comes off. We know Pasadena’s housing stock and the rules that govern it, which means fewer surprises and a tighter schedule from tear-off to final inspection. Call (866) 942-4187 for a written estimate.
Key takeaways:
- Historic-district homes often need city approval before visible roof work starts.
- Title 24 cool-roof requirements apply to most Pasadena reroofs and affect material choice.
- Older homes frequently hide skip-sheathing, dry-rot, and old wiring once decking comes up.
- We carry seven major shingle brands, so you choose the roof that fits your home and budget, not ours.
Why Orange County Roofing Co Is Pasadena’s Preferred Roof Replacement Company
Pasadena homeowners call us because we treat a roof replacement as more than a material swap. We inspect the whole assembly, from decking to flashings to ventilation, and we write everything into a line-item contract before work begins. If we find something once the old roof comes off, you see the exact cost in writing and approve it before we touch it. No change orders that show up after the fact.
Our crews work regularly from the Bungalow Heaven landmarks to the ranch tracts east of the 210. We understand what a 1920s Craftsman needs versus what a 1963 ranch needs, and we quote accordingly. Kurt Hensley leads the team, and he personally reviews estimate details for homes in Pasadena’s historic districts, because the margin for error there is zero.
We carry seven major brands, GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters here. When the Cultural Heritage Commission or Title 24 pushes you toward a specific profile, we can match the spec across competing manufacturers and find the best price for the same performance, instead of forcing you into whatever one brand offers.
Styles & brands we work with






Reroofing in Pasadena
Reroofing in Pasadena means removing the existing roof down to the deck and installing a new system, underlayment, shingles or tile, flashings, vents, and edge details, rather than layering new over old. Most Pasadena homes built before 1960 need this full tear-off approach, because the original decking was often skip-sheathing, boards spaced apart, that cannot support a modern nailed shingle system properly. A typical Pasadena reroof runs $14,000 to $28,000 depending on size, material, and whether the home falls under historic review.
Historic District Approvals
In Bungalow Heaven, Prospect Park, and Orange Heights, a roof visible from the street can trigger Cultural Heritage Commission review before replacement. Homeowners must match the original clay tile profile or win approval for modern cool-roof shingles, a step neighboring cities don’t impose. We handle the submittal, photographs, and documentation, and we do not start demolition until the approval letter is in your hands.
Decking and Structural Repairs
Once the old roof comes off, we inspect every board. Skip-sheathing, rotted valleys, and sagging rafters are common in Pasadena’s older homes, and we price each repair in writing before moving forward. You never get a vague “decking as needed” line that turns into a surprise bill at the end.
Flat Roof Replacement in Pasadena
Flat roof replacement in Pasadena typically covers low-slope sections on mid-century ranches, room additions, and garage roofs, where standing water and intense UV exposure break down conventional asphalt systems quickly. Depending on the system you choose, modified bitumen, TPO, or a multi-ply built-up roof, a Pasadena flat roof replacement generally runs $9,000 to $18,000 for an average garage or addition footprint. Full flat roofs on larger mid-century homes can push higher.
UV and Heat Performance
Pasadena summers regularly exceed 100°F, and flat roofs absorb that heat directly. We recommend reflective cap sheets or TPO membranes for low-slope sections, which also help meet Title 24 cool-roof performance standards. A lighter, reflective surface reduces attic heat gain and can extend the life of the membrane substantially.
Drainage and Overflow
Flat roofs live and die by drainage. On Pasadena ranch homes and additions, we check scupper placement, slope direction, and parapet flashings before quoting. If the existing deck doesn’t shed water properly, we re-set the slope as part of the replacement, because a new membrane over bad drainage fails just as fast as the old one.
Trusted Brands We Service in Pasadena
We install products from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. Carrying all seven means we can recommend honestly. If a Pasadena homeowner needs a cool-roof shingle that clears Title 24 and matches a historic profile, we have multiple manufacturers to choose from, each with its own manufacturer-backed warranty tier. We stock common profiles and colors locally for Pasadena projects, which shortens material lead times, and we source specialty historic-match tile through our supplier network when a district requirement dictates it.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Pasadena Homes
- Historic-district compliance failures. A contractor skips Cultural Heritage Commission review, swaps the original clay tile for an off-spec shingle, and the city flags it at inspection. The homeowner pays for a second tear-off and starts over. We verify the approval path before quoting, not after installation.
- Skip-sheathing and aged underlayment. Homes from the 1920s through the 1960s often have gapped decking and felt that has disintegrated under decades of Pasadena sun. A cheap overlay traps dry-rot underneath instead of replacing the deck, and the new roof fails within a few seasons.
- Santa Ana wind-uplift damage. Hillside homes in the arroyos around 91105 and 91103 catch the full force of Santa Ana winds. Missing starter strip, improper nailing patterns, and exposed ridge edges show up fast on steep pitches. We replace the whole perimeter edge detail, not just the field shingles.
- Attic heat and ventilation gaps. Older Pasadena homes often lack balanced intake and exhaust ventilation, which bakes the underside of the roof deck. We calculate vent area against Title 24 requirements and install new intake and exhaust as part of the replacement.
Pricing for Roof Replacement in Pasadena, CA
A full tear-off and re-roof on a typical Pasadena single-family home runs $14,000 to $32,000. Historic-district homes that require clay-tile matching or custom cool-roof profiles land on the higher end, while straightforward ranch homes in the 91107 and 91104 ZIPs come in lower. Factors that shift the number: roof pitch and accessibility, decking condition, number of roof planes, whether electrical or framing corrections are triggered once walls and decking are opened, and the material tier you select. We write every allowance into the contract, so if we open the roof and find rotted framing, you see the exact per-square cost and approve it before we proceed. Call (866) 942-4187 to schedule a free inspection and written estimate, no replacement required to get a real number.
We Also Serve Cities Near Pasadena
Our Roof Replacement crews cover Pasadena and the surrounding communities, including South Pasadena, San Marino, Altadena, and East Pasadena. If you’re in one of these areas and researching what a new roof costs or what your existing one needs, we can help. Learn more about our service area at our Pasadena page.
Serving Pasadena, CA — Our Local Coverage Area
We’re based in the 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 Pasadena
Because once the shingles and decking come off, what’s underneath is revealed, and Pasadena’s pre-1960 homes frequently hide rotted valley boards, undersized rafters, and old electrical runs stapled to the framing. On a 1920s Craftsman in Bungalow Heaven, we tore off three layers of shingle and found skip-sheathing and a rotted valley, plus knob-and-tube wiring once the decking came up. We priced the framing repair and wiring correction in writing, with a Title 24 cool-roof shingle profile already approved by the Cultural Heritage Commission, before a single new square went down. If an inspector would flag it, we fix it, and we tell you the cost up front. Call (866) 942-4187 for an exact quote on your home.
Yes, if the roof is visible from the street in districts like Bungalow Heaven, Prospect Park, or Orange Heights, the Cultural Heritage Commission generally requires review before replacement, and you must match the original clay tile profile or get approval for a modern cool-roof alternative. We prepare the submittal, document the existing condition, and do not begin work until the city signs off. Call (866) 942-4187 and we’ll tell you whether your specific property triggers review.
Title 24 requires most replacement roofs in Pasadena to meet minimum solar reflectance and thermal emittance values, which means darker traditional shingles may not comply unless they carry a cool-roof rating. The practical effect is that your shingle color and profile may be constrained. We can show you compliant options from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so you aren’t stuck with a single brand’s lineup. Call (866) 942-4187 to discuss what’s available for your roof.
Because Pasadena’s summers push past 100°F and the city sits close to the Angeles National Forest, which means two things: intense UV exposure ages asphalt shingles faster than cooler coastal climates, and wildfire ember risk makes Class A fire-rated assemblies and ember-resistant vents a practical necessity. We build both factors into our recommendations for Pasadena homes as standard practice. Call (866) 942-4187 to review your roof’s current assembly.
Ask whether each bidder has accounted for Cultural Heritage Commission review if your home requires it, whether decking and framing repairs are included as priced allowances or left as “as needed” open lines, and whether their shingle selection actually meets Title 24 cool-roof standards. Also ask which specific manufacturer materials they are pricing, not just a generic “architectural shingle.” Then call (866) 942-4187 for our written estimate and compare it line by line.
Call Orange County Roofing Co at (866) 942-4187 to schedule a free inspection and get a line-item written estimate for your Pasadena roof replacement.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Pasadena and surrounding communities.