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Gramajo Roofing Inc vs Northgate Roofing

Marin-Sonoma Roofing Comparison · Updated January 2026

Gramajo Roofing Inc Northgate Roofing
Rating 4.5 5.0
Years Licensed 7 years 26 years
License # 1043262 779474
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Santa Rosa, CA Novato, CA
Website www.gramajoroofing.com northgateroofing.net

Our Analysis

Gramajo Roofing Inc (Santa Rosa, Sonoma County) has been licensed for 7 years with an active status, workers’ compensation coverage, and a $25,000 bond. Customer-referenced services include full roof replacement, shingle installation, and work on mansard-style roofing with a silicone base application. Reviews also mention related exterior water-management upgrades such as gutters, downspouts, and gutter screens, plus coordination with other trades for repair work connected to roofing projects. Project examples range from single-family homes to an apartment complex.

Northgate Roofing (Novato, Marin County) has been licensed for 26 years with an active status, workers’ compensation coverage, and a $25,000 bond. Customer feedback commonly emphasizes an organized process from initial consultation through completion, competitive pricing compared with other quotes, and the ability to complete projects within a short timeframe. Reviews also reference workmanship and roofs holding up over time and through storms.

Side-by-side, both companies share similar compliance indicators (active license, workers’ comp, and bond amount). Differences include location and years licensed, and the types of details customers highlight: Gramajo’s references include specific add-on water-management items and a noted concern about cleanup/on-site conduct on one multi-unit job, while Northgate’s feedback focuses more on process organization, timeline, and longer-term performance observations.

Why choose Gramajo Roofing Inc?

  • You want a Santa Rosa/Sonoma County-based contractor with customer references in and around Santa Rosa, including projects near Sonoma.
  • Your scope includes roof replacement or shingle installation plus related water-management upgrades (gutters, downspouts, gutter screens) mentioned in customer experiences.
  • You need experience that includes both single-home and multi-unit/apartment-complex type projects.
  • You value detailed communication (listening to concerns and explaining the work) and also want to clarify expectations for jobsite cleanup and site management upfront.
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Why choose Northgate Roofing?

  • You prefer a Novato/Marin County-based contractor with a longer licensing history (26 years) and active status.
  • You want an organized process from consultation through completion, as commonly described by customers.
  • You’re comparing quotes and care about pricing relative to other bids, since customers frequently mention competitive pricing.
  • You want to discuss scheduling and turnaround time, as reviews often note completion within a short timeframe and roofs holding up over time and through storms.
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Frequently Asked Questions

Yes. Both Gramajo Roofing Inc and Northgate Roofing are listed as having workers’ compensation coverage and a $25,000 bond, and both have active license status.

Gramajo Roofing Inc is based in Santa Rosa, Sonoma County, and customer references mention work in the local area and near the city of Sonoma.

Northgate Roofing is listed as licensed for 26 years, while Gramajo Roofing Inc is listed as licensed for 7 years.

For Gramajo Roofing Inc, customers reference exterior water-management upgrades such as gutters, downspouts, and gutter screens, and also mention coordination with other trades for related repair work connected to roofing projects.

Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 13, 2026.

This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.