Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Installation Across Cudahy
A new roof in Cudahy almost always costs more than the phone bid you got, because most homes here hide rotted decking and failed waterproofing under decades of patchwork. We expect that, plan for it, and put every change order in writing before we touch it. If you’re pricing a roof for a Cudahy home, duplex, or rental property, call Grant Whitlock’s team at Mercer Roofing at (743) 200-8347 for a free estimate. We know the zero-setback lots, the narrow side yards, and the layer-on-layer repair history that makes Cudahy different from every neighboring city.
Why Mercer Roofing Is Cudahy’s Preferred Roof Installation Company
Cudahy homeowners call us because we treat a roof installation as an investigation, not a guess. The visible surface of a roof on a 1950s duplex off Clara Street or a bungalow near Lugo Park rarely tells you what the decking looks like underneath. We have torn off enough Cudahy roofs to know that the original board sheathing is often soaked through at the low corners, that ponding on flat sections gets ignored until a ceiling stains, and that Santa Ana winds past 50 mph peel back edge flashing on membranes that lost their adhesive years ago.
Every Mercer Roofing technician is background-checked, identity-verified, and photo-badged before they step onto your Cudahy property. We send you the name and photo of the technician ahead of the visit, so the person at your door is never a stranger. That matters here, where many homeowners are older, home alone during the day, or raising young kids. Before any work begins, you get a written price. Every repair and installation is covered by our 365-Day Done Right Promise: if it is not right within a year, we make it right. Founded in 2000 and part of the Threshold Group family, Mercer Roofing holds every independently owned location to the Threshold Verified standard, which requires background-checked, uniformed technicians with photo ID on every visit.
TPO Roofing Installation in Cudahy
TPO Roofing Installation in Cudahy is the right call for most flat and low-slope roofs here, especially on the small single-family homes and converted duplexes built between the 1940s and 1960s. TPO, a single-ply thermoplastic membrane, handles UV exposure far better than the older roll roofing and elastomeric coatings that Cudahy roofs have been layered with for decades. A typical TPO installation in Cudahy runs $9 to $14 per square foot including tear-off, new underlayment, and edge detailing, though a two-story duplex with awkward access can push that higher.
Steep-Roof Membrane Replacement
Some Cudahy homes have gently sloped roofs that got treated like flat roofs. When we install TPO on those, the old membrane has to come off completely so we can check the board sheathing underneath. If the boards are rotted from ponding that sat through multiple winters, we replace them, then apply a clean TPO membrane with properly fastened edge flashing.
Zero-Setback Flat Systems
This is where Cudahy jobs separate from the rest of the LA Basin. On a zero-setback lot, we cannot always get a dumpster next to the structure. Our crews hand-carry torn-off debris and new TPO rolls through side yards that are sometimes four feet wide, over shared fences, or through narrow alleys. That labor is real and should be in every Cudahy bid from day one.
Shingle Roof in Cudahy
A Shingle Roof in Cudahy generally fits the few pitched-roof homes here, which tend to be the older, owner-occupied houses near the northern edge of town. Asphalt shingles also make sense when a homeowner is converting a flat roof to a low-slope shingle system over new framing, which we occasionally do on Cudahy homes where ponding has been a chronic problem. A standard architectural shingle installation in Cudahy typically runs $6.50 to $9.50 per square foot for tear-off and replacement, with upgrades like ice and water shield or new decking priced as written change orders before any work starts.
Architectural Shingle Systems
We primarily install architectural shingles from GAF, CertainTeed, and Owens Corning. These hold up better against the Santa Ana gusts that hit Cudahy each fall and winter than three-tab shingles ever did, and they give a steeper roofline more visual weight.
Low-Slope Shingle Transitions
When a Cudahy homeowner wants to switch from a flat membrane to a pitched shingle roof, the job requires new tapered framing, new decking, and a properly tied-in edge system. That is a structural change, not a surface swap, and we price it as such with the permit pulled and inspections passed before we finish.
Trusted Brands We Service in Cudahy
We install and repair roofing systems from GAF, CertainTeed, and Owens Corning, and we maintain strong relationships with local suppliers so Cudahy customers are not waiting on special-order materials. For flat roof work, we use TPO systems that carry manufacturer warranties matched to our own 365-Day Done Right Promise. Because Cudahy homes have so many flat and low-slope sections, we keep a steady supply of TPO membrane, drip edge, and edge flashing ready for local jobs. That means faster starts on a Cudahy roof installation once you approve the written estimate.
Common Roof Installation Problems We See in Cudahy Homes
- Layer-on-layer patchwork hiding rotten decking. Most Cudahy roofs have been repaired, not replaced, for decades. When we tear off the top membrane, we often find original board sheathing that is soft, stained, or split, and that changes the job from a membrane swap to a decking replacement.
- Santa Ana wind damage to edge flashing. Gusts over 50 mph regularly peel back flashing and bubbled membrane on flat roofs whose adhesive has failed from years of UV exposure. We check every edge before installing new roofing so the new system is not built on a loose frame.
- Ponding on low-slope sections. Cudahy’s flat roofs collect water at the low corners during concentrated winter rains. If a landlord waited until the interior ceiling stained, the decking underneath usually needs replacement before any new roofing goes on.
- Zero-setback staging problems. Many Cudahy homes sit so close to the property line that a dumpster will not fit. Crews have to hand-carry debris and materials, which adds labor time and has to be in the original bid, not discovered halfway through the job.
Pricing for Roof Installation in Cudahy, CA
You should expect a full tear-off and roof installation in Cudahy to land between $9 and $14 per square foot for a flat TPO system, and $6.50 to $9.50 per square foot for architectural shingles on a pitched roof. What moves the number is not the visible surface, it is what we find underneath: rotted board sheathing, failed edge flashing, or old framing that has to be corrected before new materials go on. Zero-setback lots also add hand-carry labor that many out-of-town roofers forget to price. We write allowances into our contracts for decking and waterproofing, so when we open up a 1950s Cudahy roof and find damage, you approve a written change order before we spend a dollar of your money. Call (743) 200-8347 to schedule a free estimate with Mercer Roofing.
We Also Serve Cities Near Cudahy
Our crews run roof installations throughout the LA Basin. Beyond our work in Cudahy, we take on jobs in Los Angeles, San Diego, San Jose, and San Francisco. If your property is outside Cudahy but still nearby, call us at (743) 200-8347 and we will let you know if we can schedule a visit.
Serving Cudahy, CA - Our Local Coverage Area
We’re based in the Cudahy 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 Installation in Cudahy
Because a phone bid cannot see what is under the surface. Cudahy’s post-WWII homes and duplexes have been patched so many times that the original decking is often rotted, and that only shows up once tear-off begins. A real Cudahy roof installation price includes removing multiple layers, replacing damaged sheathing, and hand-carrying materials on zero-setback lots. Call (743) 200-8347 for an exact quote, and we will write every allowance into the contract before work starts.
Sometimes, but not always. Many Cudahy homes have zero-setback lots and side yards under five feet wide, which means a dumpster will not fit anywhere near the structure. Our crews routinely hand-carry torn-off debris and new roofing rolls through narrow side yards and over shared fences. That labor is real and is factored into every Cudahy estimate we write.
Honestly, if there is ponding that has been coming back for years, a patch will not fix it. The low corner where water sits has probably already rotted the board sheathing underneath. We can inspect the roof, tell you exactly what is going on beneath the membrane, and give you a written price for either a targeted repair or a full TPO installation. Call (743) 200-8347 to schedule a free estimate.
You get a written change order with a specific price before we touch it. This is the single biggest reason a Cudahy roof installation quote moves, and it is why we build allowances into our contracts for decking, waterproofing, and framing. We never start surprise work on a Cudahy roof without your written approval, and we never spring a new number on the final invoice.
For most Cudahy homes, which are flat or very low-slope, TPO is the better call. Architectural shingles are only right when the roof has enough pitch to drain properly, or when you are converting a flat roof to a pitched one with new framing. We will walk you through both options and give you a written price for each scenario. Call (743) 200-8347 to get a straight answer and a free estimate.
Every roof in Cudahy tells a story once you pull back the top layer. Ours is a company that writes the ending in plain English, with a written price and a photo-badged technician at your door. Call Mercer Roofing at (743) 200-8347 to schedule your free roof installation estimate.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Cudahy homeowners with written pricing and the 365-Day Done Right Promise.