Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Westchester
Roof repair and replacement in Westchester runs $450 – $18,000 depending on whether you need a patch, a membrane overlay, or a full HVHZ code-compliant roof, and most of our Westchester calls are quoted within 48 hours. We’re Mercer Roofing, and we work throughout Westchester every week, from the CBS ranch neighborhoods along Coral Way and Bird Road down to the acreage lots east of the Palmetto. Call (743) 200-8347 and a live person answers, day or night.
Westchester roofs fail differently than roofs in Broward. The flat and low-slope CBS homes built here in the 1950s through 1970s carry decades of UV stress and summer ponding, and most of them sit inside Miami-Dade’s High Velocity Hurricane Zone. That means every product, every fastener pattern, and every permit inspection follows a stricter code than what a contractor just across the county line answers to. Knowing that before we quote is the difference between a real price and a surprise change order. Our Roofing Company team works this geography daily, and we scope Westchester jobs against Miami-Dade requirements from the first visit.
Why Mercer Roofing Is Westchester’s Preferred Roofing Company Company
Homeowners in Westchester tell us the same thing: they want to know who’s walking up the driveway before the doorbell rings. We send every technician’s name and photo to your phone before the visit. When they arrive, they’re in a clean, marked uniform with a photo ID badge at the door. That’s the Threshold Standard, and it’s the same on every single job, whether it’s a small repair near Tropical Park or a full replacement off SW 8th Street.
Mercer Roofing was founded in 2000 as part of the Threshold Group family of home-service companies. Every Westchester customer gets a written price before work starts and a written 365-Day Done Right Promise on every repair. If the repair fails within a year, we come back and make it right at no charge. That’s not a marketing line. It’s in the paperwork we hand you before a single nail goes in.
Dispatch and scheduling are coordinated from our Miami (South FL) office, and crews serve Westchester locally. Led by Grant Whitlock, the team knows which Westchester streets carry the oldest decks, which block clusters need extra flashing attention, and how to schedule around the summer rain pattern so your job actually gets done on the day we set.
Roof Inspection in Westchester
A roof inspection in Westchester costs $250 – $500 and is the single most valuable call a homeowner can make before listing a house, after a named storm, or when a flat roof starts holding water after the June rains. We walk the entire roof, check the membrane or shingle condition, document the fastener pattern where accessible, map every ponding zone, and photograph every flashing penetration. What you get is a written report you can hold: specific findings, photos, and a repair or replacement scope with real dollars attached.
What the Inspection Actually Looks At
On a Westchester CBS ranch, the inspection focuses on the weak points: valley metal, parapet wall cap flashing, scupper drains, and the roof-to-wall connection at the eaves. We also look for the original smooth-shank 6d nail patterns that Miami-Dade inspectors flag when a permit gets pulled. Finding that early saves you a surprise line item later.
When to Schedule One
Before you buy or sell, before hurricane season, and whenever you see a water stain on a ceiling or a seam lifting on a flat roof. Westchester’s summer convective storms put standing water on low-slope roofs every afternoon; if the membrane has a pinhole, it will find it. An inspection now costs less than a rotted deck later.
Commercial Roofing in Westchester
Commercial roofing in Westchester typically runs $6 – $14 per square foot for a code-compliant flat or low-slope membrane replacement, including the Miami-Dade HVHZ deck verification and any required renailing. We handle medical offices along Coral Way, retail strips on Bird Road, warehouses off 87th Avenue, and the mixed-use buildings that line the Palmetto corridor.
How Commercial Scoping Works Here
Westchester commercial roofs are almost entirely flat or very low-slope, which makes drainage the central issue. We measure ponding after a rain event, not just from drawings. A roof that holds water for 48 hours after a storm is a roof that will fail early, regardless of what membrane goes on top. We build the drainage fix into the quote, not as an add-on.
Permit and Code Reality
Commercial re-roofs in Westchester almost always require a building permit through Miami-Dade, and the inspector will look at the deck fastening before any new membrane is laid. If your building dates to the 1970s or earlier, plan for a renailing or deck replacement line item. We pull the permit, schedule the inspection, and stand there for it. You don’t have to.
Trusted Brands We Service in Westchester
We install and repair GAF, CertainTeed, and Owens Corning systems, all with products carrying Miami-Dade Notices of Acceptance for Westchester’s HVHZ requirements. For flat and low-slope work, we stock the modified bitumen and coating lines that match what was originally put on these CBS homes, so a repair blends instead of creating another seam. Because we service Westchester weekly, turnaround on common flashings, underlayments, and ridge materials is fast, and you’re never waiting on a parts order from out of state.
Common Roofing Company Problems We See in Westchester Homes
- Pre-Andrew deck fastening failures. Original decks from the 1950s through 1980s were often nailed with smooth-shank 6d nails at spacing far looser than the 8d ring-shank 6-inch field pattern Miami-Dade requires today. When a re-roofing permit is pulled, the inspector flags it, and a renailing line item appears.
- Ponding on flat CBS roofs. Westchester gets over 60 inches of rain a year, much of it in violent afternoon storms from June to October. Flat roofs that don’t drain fully saturate the membrane, and the UV breaks down the top layer faster than on any pitched roof.
- Attached carports and outbuildings left out of the square count. Many Westchester homes have a carport or a detached shop or ADU. Quoting the main roof but not the attached structure strands you with two permits and two mobilization fees. We fold them in from the start.
- Flashing rot at parapet walls. The CBS ranch stock often has low parapet walls capped with old metal that’s rusted through. Water gets behind the cap, runs down the wall, and shows up as a ceiling stain far from the actual entry point.
Pricing for Roofing Company in Westchester, FL
A shingle re-roof on a typical Westchester CBS ranch runs $8,500 – $18,000 depending on square count, tear-off, and whether the deck passes inspection or needs renailing. Flat roof membrane replacement runs $9,000 – $16,000 for the same range of homes, with ponding corrections and HVHZ deck work as the biggest variables. Roof repairs start around $450 for a targeted patch or flashing fix. Every quote includes a written line-item price, and every repair includes a 365-Day Done Right Promise. Grant Whitlock insists on one thing: no work starts without a written price in your hand. Call (743) 200-8347 for a free, specific estimate.
One thing worth knowing up front: the renailing line item is not an upcharge. It’s the code. If a contractor quotes a Westchester re-roof without mentioning Miami-Dade deck fastening at all, the low price is a signal that someone hasn’t pulled a permit history. We scope the deck during the estimate so the written price you sign is the price you pay.
We Also Serve Cities Near Westchester
Mercer Roofing serves Westchester and the surrounding South Florida communities. If you’re in Roofing Company in Westchester or the nearby areas of Miami, Hialeah, Fort Lauderdale, and Pembroke Pines, we can quote your roof, schedule an inspection, or handle a repair. The same written-price rule applies everywhere we work.
Serving Westchester, FL - Our Local Coverage Area
We’re based in the Westchester 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 Roofing Company in Westchester
Westchester sits inside Miami-Dade County’s High Velocity Hurricane Zone, which requires roof decks to be fastened with 8d ring-shank nails at 6-inch spacing in the field and tighter at the edges. Homes built before Hurricane Andrew, which includes most of Westchester’s CBS stock, were often nailed with smooth-shank 6d nails at much looser spacing. When you pull a re-roofing permit, the Miami-Dade inspector checks the deck and requires renailing or replacement before the new roof goes on. Broward County doesn’t enforce the same HVHZ deck-fastening standard, so the line item doesn’t appear across the county line. The renailing is not optional in Westchester; it’s what keeps the roof attached in a named storm. Call (743) 200-8347 and we’ll pull your permit history before we quote.
Every shingle and membrane we use on a Westchester roof carries a Miami-Dade Notice of Acceptance, the product-approval document required inside the HVHZ. We verify the NOA number against Miami-Dade’s current database before the material is ordered, and the NOA paperwork stays in your job file. If a product doesn’t carry an active NOA, it doesn’t go on your roof, period.
Yes, if we see it at the estimate. Ponding is the most common failure driver on Westchester flat roofs, and any quote we write for a membrane replacement on this housing stock includes a drainage assessment. That means we identify every zone that holds water after a storm, determine whether the deck is sagging or the slope was never adequate, and put the correction, whether it’s a tapered system, additional drains, or deck reinforcement, in the written price. A quote that ignores ponding is a quote that will fail. Call (743) 200-8347 for a free estimate that includes the ponding survey.
Yes, whenever possible we fold detached structures into the same permit package as the main roof. Westchester has a surprising number of acreage lots east of the Palmetto with detached shops, garages, and ADUs, and many roofing quotes treat each structure as a separate job with its own mobilization fee and permit. We count the full square footage, including attached carports and outbuildings, and write one scope, one permit, and one crew schedule.
On an acreage lot, the permit still runs through Miami-Dade County, and the HVHZ inspection requirements are identical to a subdivision home. What changes is the site scope: access for a roofing trailer and tear-off bin, setbacks from septic drain fields if you have a septic system, and the distance from the street to the house. We walk the lot before quoting so the equipment access and material staging costs are in the written price, not added after the fact. For a free estimate on any Westchester property, call (743) 200-8347.
Contact Mercer Roofing in Westchester
If you need a roof inspection, a repair, or a full replacement in Westchester, start with a real person. Call (743) 200-8347 and you’ll get a live voice, not a voicemail. We’ll schedule a walkthrough, send the technician’s name and photo before they arrive, and hand you a written price before any work begins. That’s how we’ve done it since 2000, and that’s how we do it in Westchester.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Westchester and South Florida since 2000.






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