Mercer Roofing roofing team

Roofers in South Gate - Free Inspection, Itemized Written Quote

Free roof inspection with photos, then an itemized written price before anything is ordered. Installed by our own licensed crews and backed by a workmanship warranty.

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Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation

Your new roof for as low as $159/month*on approved credit; ask for current terms
Styles & brands we work with

Architectural shingles
Architectural shingles
Metal roofing
Metal roofing
Tile roofing
Tile roofing
GAF
GAF
Owens Corning
Owens Corning
Flat & low-slope
Flat & low-slope

Before & after – our own jobs

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Recent Project
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Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Roofers in South Gate, CA

Roofing work in South Gate runs $180 for minor repairs up to $18,000 – $28,000 for full replacement on a typical 1,000 – 1,400 sq ft bungalow, with most repair calls completed in one visit. The city’s aging postwar housing stock and inland LA Basin heat create conditions we don’t see in newer coastal markets. Call (743) 200-8347 to schedule a free estimate with a written price before any work starts.

Call (743) 200-8347

Our crews serve South Gate from our Los Angeles dispatch office, with technicians who arrive in clean, marked uniforms and present a photo ID badge at your door. We send every technician’s name and photo ahead of the visit, so you know exactly who is coming.

Why South Gate Homes Are Different

South Gate’s residential landscape is overwhelmingly composed of small stucco bungalows built in the 1940s – 1960s for industrial workers at now-shuttered plants like the GM Fisher Body and Firestone Tire factories. These homes routinely feature low-pitch or flat-section roofs that have been patch-repaired in layers over six or seven decades, torchdown over rolled asphalt over original built-up roofing, making full tear-off and code-compliant replacement far more complex and more urgently overdue than in newer neighboring cities like Downey.

We regularly uncover a pattern local roofers know well: rooftop evaporative coolers, gas water heaters, and later solar water-heating panels bolted on across different eras, leaving a palimpsest of mismatched penetration patches and deteriorated curb flashings that are almost always active leak points. This failure mode is far more common here than in postwar tracts in neighboring Downey or Paramount where homes were updated more uniformly.

South Gate sits well inland in the LA Basin and lacks the coastal marine-layer moderation that cities like Long Beach or Torrance enjoy, pushing summer roof-surface temperatures significantly higher and accelerating UV cracking of aged asphalt and modified bitumen. Seasonal Santa Ana wind events, funneled through the basin, are a leading cause of lifted flashing and blown-off granule-depleted shingles on these aging, brittle roofs.

Our Main South Gate Services

These are the three services South Gate homeowners call us about most often, each with its own dedicated page for detailed pricing and scope.

Roof Repair in South Gate

Most South Gate repair calls involve stopping active leaks at cooler curbs, vent flashings, or the multiple membrane seams where decades of patch layers have separated. We carry GAF and Atlas repair materials on our trucks, and we provide a written price before starting and a 365-Day Done Right Promise on every repair. Roof Repair in South Gate covers typical leak sources, emergency response, and what we find most often in these 1940s – 1960s bungalows.

Roof Repair in South Gate

Roofing Company in South Gate

As a full-service roofing company in South Gate, we handle inspections, maintenance, and ongoing roof health for homeowners who want to avoid the sudden-failure cycle that deferred maintenance creates on these aging homes. Our inspections include attic ventilation assessment and decking condition checks, critical on homes with shallow pitches and partial flat sections. Roofing Company in South Gate explains our inspection process and maintenance programs.

Roofing Company in South Gate

Roof Installation in South Gate

Full replacement on South Gate bungalows almost always requires complete tear-off of multiple incompatible membrane layers, sheathing replacement where slow ponding leaks have rotted decking, and California Title 24 cool-roof compliance on the new system. We install GAF, CertainTeed, Owens Corning, and Tamko systems with manufacturer-recognized installation methods. Roof Installation in South Gate details material options, Title 24 requirements, and what full replacement involves on these homes.

Roof Installation in South Gate
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (743) 200-8347

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in South Gate

We install and repair with GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral shingles and systems, and we stock common repair materials for GAF and Atlas on our South Gate-area trucks. Most standard repairs use in-stock materials; specialty orders for color-matched Tamko or Boral tile typically arrive within 2 – 3 business days. See our brands for full specifications and warranty details.

Pricing for Roofers in South Gate, CA

Service Typical range in South Gate
Minor leak repair (flashing, small patch) $180 – $450
Moderate repair (multiple leaks, vent replacement) $450 – $950
Major repair (section rebuild, decking replacement) $950 – $2,800
Skylight leak repair $350 – $850
Chimney flashing repair $400 – $1,200
Flat roof section repair (modified bitumen) $500 – $1,500
Roof inspection with written report $150 – $300
Full roof replacement, 1,000 – 1,200 sq ft bungalow $12,000 – $18,000
Full roof replacement, 1,200 – 1,400 sq ft with flat section $15,000 – $24,000
Full replacement with complete decking replacement $18,000 – $28,000
Cool roof upgrade (Title 24 compliant materials) Add $800 – $1,500

Prices push higher in South Gate when we encounter the layered membrane palimpsest common to these bungalows, requiring extended tear-off time and unexpected sheathing replacement. We always provide a written, line-item price before any work starts, and that price does not change unless you approve additional scope in writing.

Neighborhoods We Serve in South Gate

We work across all of South Gate’s residential areas, from the compact bungalow blocks near Tweedy Boulevard to the neighborhoods south of Firestone Boulevard. Most calls receive same-day or next-day scheduling depending on inspection availability.

  • Tweedy Boulevard area
  • Firestone Boulevard corridor
  • State Street neighborhood
  • San Antonio Drive area
  • Imperial Highway vicinity

Service Area – Cities Near South Gate

Our crews regularly work in the communities surrounding South Gate, including Lynwood, CA to the north, Huntington Park, CA to the northwest, Bell, CA to the west, and Maywood, CA to the northwest. Dispatch and scheduling are coordinated from our Los Angeles office, with local crews serving each city.

Serving South Gate, CA - Our Local Coverage Area

We’re based in the South Gate 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 Roofers in South Gate

Ready to get started? Free estimates · Free in-home estimates response in South Gate
Call (743) 200-8347

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local roofing pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What South Gate Customers Say

★★★★★ 4.8 from 9+ reviews

"Leak showed up in the hallway ceiling after a big storm. They found the failed pipe flashing in about ten minutes, replaced it, and checked the attic for wet insulation."

- Sophie R.

"Chimney flashing was the culprit for years of dark stains on the ceiling. Fixed it in one visit and no more stains."

- Ian O.

"Roofer showed his ID and gave me the crew lead's name before anyone climbed the ladder. Replaced a patch of missing shingles and resealed two vent boots. Written estimate matched the final bill."

- Brian J.

How It Works in South Gate

Getting your roofing handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your roofing needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in South Gate - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

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Free

Free Second Visit if the Repair Fails

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