Roofing Company in Union City - Written Price, Workmanship Warranty

Fast, Reliable Roofing Company Across Union City

A new roof in Union City should not be a gamble. Brennan Roofing puts the price on paper before any work starts, sends background-checked uniformed technicians, and backs every job with a written one-year guarantee. We serve homeowners throughout Union City, from the fog-shrouded hills west of Mission Boulevard to the sun-baked tract homes east of I-880. Call (361) 320-9467 for a free estimate.

Call (361) 320-9467

Roofing in Union City is a story of two microclimates. Understand which one your address sits in, and you will understand every quote you get.

Key Takeaways

• Union City’s fog line roughly tracks Mission Boulevard. West side roofs need marine-grade fasteners and moss-resistant materials. East side roofs need heat-tolerant shingles and sealed venting.
• Typical roof replacement in Union City runs $12,000 – $24,000 for a standard single-story ranch, depending on decking condition and which microclimate spec applies.
• The Written Price before any work starts is the Brennan Roofing standard. It does not move at the door.
• Every job is backed by the 365-Day Done Right Promise in writing.

Why Brennan Roofing Is Union City’s Preferred Roofing Company

Union City homeowners call us because the quotes they get from other roofers do not explain the city’s fog line. A bid that lumps your west-of-Mission Boulevard roof into a generic “Bay Area” spec is a bid you should question. Our team knows the difference. We are part of the Garrison Partners family, founded in 2000, and each location is independently owned and operated to the same Garrison Standard. That standard means a live person answers the phone around the clock, technicians are background-checked and in uniform, and the price goes on paper before we touch your roof.

We have worked on roofs all over Union City. Ranches near Alameda Creek with moss tracked across north slopes. Eichler-style homes near Decoto with flat sections that pool water. Tract homes off Dyer Street with sun-baked shingles that snap at the ridge. Local knowledge is not a slogan here. It determines the material spec. That is why our Roofing Company team scopes every Union City bid by which side of Mission Boulevard the address sits on, before we talk materials.

Homeowners who have been burned by no-show roofers and door-shift pricing deserve a clear answer. Roofing Company in Union City work is what we do every day. We arrive inside the promised window. We clean the job site. We put the guarantee in writing.

Metal Roof Installation in Union City

Metal roof installation in Union City is a strong fit for the city’s damp west side, where marine fog accelerates corrosion of conventional flashings and fasteners. A standing-seam or metal shingle roof installed with the right spec sheds fog moisture cleanly and resists the salt air that eats galvanized steel. Typical metal roof installation in Union City runs $18,000 – $32,000 for a standard single-story home, depending on decking repairs and the gauge and finish selected.

The fog line matters here. West of Mission Boulevard, we specify stainless ring-shank fasteners and marine-grade flashing as standard on metal roofs. East of I-880, the same roof system performs well with less corrosion-resistant hardware, but the heat demands adequate ventilation to prevent trapped attic heat from aging the underlayment.

Standing Seam on Low-Pitch Ranches

Union City’s 1960s and 70s ranch stock often carries low-pitch roofs where standing seam metal outperforms shingles in long-term moisture resistance. The interlocking panels seal at a lower slope than most shingle warranties allow. We inspect the decking first. A 40-60 year old deck may need selective re-decking before the metal goes down. That work is quoted in writing before any work starts.

Fastener and Flashing Spec

On the damp west side, we use stainless ring-shank nails or clips and hot-dip galvanized flashings as the baseline. Builder-grade steel flash-rusts within a few seasons of fog exposure. East of I-880, hot-dip galvanized is generally sufficient. The price difference between a coastal-spec metal roof and an inland-spec version runs $1,500 – $3,000 on a typical ranch. The cheaper spec fails inside a decade.

Residential Roofing in Union City

Residential roofing in Union City means working with the city’s housing stock: post-WWII tract homes, 1960s-70s low-pitch ranches, and a significant number of Eichler-style homes with flat or near-flat sections. Many of these roofs are 40-60 years old and still carrying original wood shake or early composition shingles. A full residential roof replacement in Union City typically runs $12,000 – $24,000 depending on size, decking condition, and which microclimate spec your address needs.

The same floor plan can need completely different roof work a few blocks apart. We scope every residential job by Mission Boulevard first. Then we walk the roof. Then we put the price on paper.

Wood Shake and Early Composition Tear-Offs

Older Union City neighborhoods still have original wood shake roofs. Some are at end of life. Others have dry rot under the shake that is invisible until tear-off. We quote tear-off and decking inspection as a line item, so you know exactly what the total is before we start. Selective re-decking is only done where the sheathing is actually soft.

Architectural Shingles and Sealed Ridge Venting

East of I-880, the sun bakes shingles brittle. Architectural shingles with a sealed ridge vent hold up far better than builder-grade three-tab on these hot, flat light tracts. We also repair soffit and fascia at the same time where heat cracks have let moisture into the eaves. The quote includes it all in writing before any work starts.

Trusted Brands We Service in Union City

We install materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Union City homeowners, the brand choice often comes down to the microclimate: GAF architectural shingles for sun-baked east-side homes, Atlas or Tamko products with stronger wind and moisture ratings for fog-exposed west-side roofs. We stock common components locally and coordinate fast turnaround for Union City customers. You choose with confidence because the options are explained plainly, not pitched.

Common Roofing Company Problems We See in Union City Homes

• Moss and algae on north slopes west of Mission Boulevard. Fog keeps these roofs damp most mornings. Moss holds moisture against the shingles and lifts them over time.
• Rusted drip edge, vent flanges, and valley flashing. The salt-laced marine air west of Mission Boulevard corrodes steel flashings fast, even when the shingles above them still look new.
• Brittle shingles and cracked valleys east of I-880. Sun-exposed tract homes get intense heat that bakes shingles until they snap at penetrations and valleys, not in the field where you would notice it from the street.
• Pooling water on Eichler-style low-slope sections. Flat or near-flat roofs near Decoto and throughout older Union City neighborhoods pond after winter rains. A properly sealed low-slope membrane with the right edge detail fixes this for good.

On a low-pitch 1960s ranch west of Mission Boulevard, our crew pulled a roof that had moss tracked across the north slope and rust weeping from every galvanized vent flange and drip edge. The decking under the valleys was still sound, so we re-decked only where it was soft, laid ice and water shield through the valleys, and reset the whole roof with stainless ring-shank nails, hot-dip galvanized flashing, and a copper drip edge instead of the builder-grade steel the original had. The neighbor’s house, same floor plan but east of I-880, needed the opposite job: no moss at all, but sun-baked shingles so brittle they snapped at the starter strip and ridge vent. That roof got architectural shingles with a sealed ridge vent and fresh soffit and fascia detailing.

Pricing for Roofing Company in Union City, CA

We Also Serve Cities Near Union City

Brennan Roofing serves Union City plus Fremont, Newark, San Lorenzo, and Castro Valley. If you live near the Union City border, the same background-checked uniformed technicians serve your street. Call (361) 320-9467 for a free estimate anywhere in the area.

FAQs About Roofing Company in Union City