
Find the Best Roof Repair for Your Business
No obligation • Fast responses • Nationwide coverage
- Home
- Roof Repair
- California
- Union City

Why you can trust Roof Lists
Roof Lists is a leading U.S. resource for finding and comparing roofing contractors. Our team researches providers, reviews customer feedback, and publishes clear, unbiased information. Companies cannot pay to change rankings or our editorial opinions.
Search providers near you
Top Roof Repair in Union City, California Ranked
Maintaining a sound roof is a critical part of homeownership in Union City. The local climate, with its strong winds, seasonal temperature swings, and winter precipitation, can take a toll on even the most durable roofing systems. From minor shingle repairs to addressing leaks from aging materials, understanding your options for roof restoration is key to protecting your investment. This guide provides an overview of common roofing issues, repair processes, and considerations for Union City residents.

CFY Construction Inc.
7204 Mission St, Daly City, CA 94014
CFY Construction Inc. is a roofing contractor based in San Francisco, CA, offering a full range of exterior home and commercial services throughout the Bay Area. Their services include roof installation, replacement, leak repair, roof inspections, and waterproofing to protect buildings from water damage. The company is experienced in handling storm damage and coordinates with insurance claims to assist clients. They also provide gutter installation and related exterior upgrades. CFY Construction is known for completing roof replacements efficiently and with attention to detail, including specialized capabilities like skylight installation and attic re-insulation.

NC Roofing Solution, Inc
2764 Camino Diablo, Walnut Creek, CA 94597
NC Roofing Solution, Inc is a roofing contractor based in Oakland, CA, specializing in roof installation, replacement, repair, and inspection services. They offer expertise in metal roofing, including standing seam systems, and handle roof leak repairs and certifications. The company is experienced in full roof replacements, gutter sealing, and ventilation installation, with a focus on thorough and efficient project completion. Customers have noted their ability to manage roof emergencies and provide clear communication throughout the process.

Equinox Roofing
1801 Oakland Blvd # 210, Walnut Creek, CA 94596
Equinox Roofing is a roofing contractor serving Oakland, CA, and the broader Bay Area. They specialize in residential and commercial roofing, including roof installation, replacement, repair, metal roofing, and roof inspections. The company uses advanced technology such as drone inspections and satellite imagery to provide thorough assessments and precise project planning. Equinox Roofing holds certifications from Owens Corning, CertainTeed, and Polyglass, and offers lifetime product warranties along with 10-year workmanship warranties. They also provide 24/7 emergency roof repair and tarping services to address urgent roofing needs.

7x7 Roofing
2443 Fillmore St, San Francisco, CA 94115
7x7 Roofing is a roofing and general contracting company based in San Francisco, CA. Since 1998, they have specialized in roofing installation, replacement, repairs, and inspections, with a focus on preserving the city's historic architecture. Their services include working with shingles and flat roofs, and they emphasize using eco-conscious materials to support sustainability. The company also offers remodeling and repair services, including plumbing and electrical work, all performed to code. 7x7 Roofing serves homeowners within San Francisco and is known for its expertise in restoring classic homes while upgrading them for modern performance.

NC Roofing Solution
3 E 3rd Ave site 329, San Mateo, CA 94401
NC Roofing Solution is a licensed and insured roofing company based in San Jose, CA, serving homeowners and businesses in the San Mateo area. They offer a wide range of residential and commercial roofing services including roof replacement, repairs, asphalt shingle roofing, flat roofs, standing seam metal roofing, tile roofing, TPO roofs, torch down roofs, commercial roof coatings, and gutter installation. The company specializes in durable, weather-resistant roofing systems designed to withstand the local climate. NC Roofing Solution is experienced in commercial roofing with expertise in flat roofs and TPO roofing systems, providing solutions that minimize business disruption. They are known for their thorough roof inspections and certifications.
Common Roofing Materials and Vulnerabilities in Union City
The majority of residential roofs in Union City are constructed with asphalt shingles, prized for their balance of affordability, durability, and ease of installation 1. However, some properties, particularly in denser multi-family or commercial buildings, may feature flat or low-slope roofs covered with single-ply membranes like EPDM or TPO 2. Each material has its own profile of vulnerabilities.
Asphalt shingles are susceptible to damage from high winds, which can lift, crack, or tear them away entirely. The intense summer sun and UV exposure in New Jersey can cause shingles to become brittle and lose their protective granules over time 3 4. In winter, the cycle of freezing and thawing can lead to ice dam formation at the eaves, forcing meltwater under the shingles and into the home 3.
Flat roofs, while designed for low slopes, face challenges with ponding water and seam integrity. Their repair often involves specialized materials and techniques distinct from shingle work 2.
Identifying Signs You Need Roof Repairs
Catching roofing problems early can prevent minor issues from escalating into major, costly damage. Homeowners should be vigilant for both interior and exterior warning signs.
Exterior Indicators:
- Granule Loss: Finding an accumulation of sand-like granules in your gutters or at the downspout outlets is a sign of advanced shingle wear.
- Shingle Deterioration: Look for shingles that are curling at the edges, cracking, buckling, or are completely missing.
- Flashing Damage: Check the metal flashing around chimneys, vents, and roof valleys for rust, cracks, or separation.
- Sagging: Any visible sagging or dip in the roof plane indicates potential structural issues requiring immediate attention.
Interior Indicators:
- Water Stains: Brownish-yellow stains on ceilings or along interior walls are classic signs of an active or past leak.
- Attic Moisture: During or after rain, inspect your attic for signs of daylight peeking through, damp rafters, or moisture on the insulation.
- Mold or Mildew: Unexplained mold growth in upper-level rooms can be caused by chronic moisture intrusion from a compromised roof 5.
Typical Roof Repair Scopes and Timelines
The scope of a roofing project in Union City can vary widely, from a quick patch to a multi-day overhaul. Understanding the general categories can help set expectations.
Minor Repairs: These are localized fixes often completed within a day. Examples include replacing a handful of damaged shingles, resealing a small section of flashing around a vent pipe, or patching a pinpoint leak. These address specific, isolated problems before they worsen 2 1.
Moderate Repairs: This category involves more substantial work, potentially taking a few days. It might include repairing a larger section of leak-damaged decking and shingles, addressing widespread flashing failures, or resolving chronic gutter and drainage issues that are affecting the roof's performance 3 6.
Major Repairs or Partial Replacement: For roofs with extensive storm damage, significant wear across large sections, or failures in flat roof membranes, the repair scope expands. This work can take several days to weeks and may involve replacing entire roof facets, installing new underlayment, or re-covering a flat roof section. When repairs approach 40-50% of the roof's cost, a full replacement is often recommended for long-term value and warranty purposes 2 6.
Find the perfect roof repair for your needs
Get personalized recommendations and expert advice
Understanding Roof Repair and Replacement Costs
Costs for roof restoration in Union City are influenced by the repair complexity, materials required, and the labor involved. Prices can vary significantly, so obtaining detailed quotes from local, licensed contractors is essential 2 7.
- Minor Repairs: For simple patching, small leak fixes, or minor shingle replacement, homeowners might expect costs ranging from $150 to $9002.
- Asphalt Shingle Repair: More involved shingle work is often priced per "square" (a 10'x10' area). Repair costs for asphalt shingles can range from $100 to $400 per square for material and labor 1.
- Flat Roof Repair: Repairing EPDM or TPO membranes is typically priced per square foot, with costs generally falling between $8 and $16 per sq. ft. for material and labor 2 8.
- Full Roof Replacement: When repair is no longer economical, a full replacement for an average-sized home with asphalt shingles can range from $8,000 to $18,000 or more, heavily dependent on the home's size, roof pitch, and material chosen 1 6.
It's important to note that while asphalt shingles are generally the most cost-effective option, repairs for metal, tile, or slate roofs will be at a higher price point due to material and specialized labor costs 4 9.
Choosing a Roofing Contractor in Union City
Selecting the right professional is as important as understanding the repair itself. Look for contractors who are licensed, insured, and have a verifiable physical address in the area. Ask for references from recent projects similar to yours and review their portfolio. A reputable roofer will provide a detailed, written estimate that breaks down material costs, labor, scope of work, and warranty information-never just a verbal quote 7. Be wary of door-to-door salespeople following storms, and always check online reviews and their standing with the Better Business Bureau.
The Importance of Local Expertise
A roofer familiar with Union City and the broader Hudson County region understands the specific environmental challenges homes face. They know local building codes and permit requirements and can accurately diagnose problems that are common in the area's architectural styles. This local expertise ensures the repair strategy is not only technically sound but also appropriately tailored for long-term resilience against New Jersey weather.
Frequently asked questions
Sources
Footnotes
-
Roofing Cost in New Jersey (2025 Price Guide) - https://njroofma.com/roofing-cost-2/ ↩ ↩2 ↩3 ↩4
-
What are roof repair costs in New Jersey? | AHC NJ - https://njahc.com/what-are-roof-repair-costs-in-new-jersey/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7
-
What is the most common roof damage in NJ? - M&J Roofing - https://www.mjroofingllc.com/what-is-the-most-common-roof-damage-in-nj/ ↩ ↩2 ↩3
-
Decoding Roof Repair Costs in New Jersey - https://naileditroofing.us/2025/09/26/roof-repair-costs-in-new-jersey/ ↩ ↩2
-
9 Signs You Have Roof Damage - KPost Company - https://kpostcompany.com/9-signs-you-have-roof-damage/ ↩
-
The True Cost of Roof Replacement in New Jersey (Updated 2025 Guide) - https://njroofingcompany.com/the-true-cost-of-roof-replacement-in-new-jersey-2025/ ↩ ↩2 ↩3
-
How To Quote A Roofing Job That Converts - Roofr - https://roofr.com/blog/how-to-write-an-organized-roofing-quote-that-converts ↩ ↩2
-
How Much Does It Cost to Repair a Roof Leak in 2025? - https://www.fixr.com/costs/repair-roof-leaks ↩
-
What Is the Most Expensive Part of a New Roof? - https://www.cloudroofing.com/blog/what-is-the-most-expensive-part-of-a-new-roof ↩