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Gramajo Roofing Inc vs Capstone Roofing Inc

Marin-Sonoma Roofing Comparison · Updated January 2026

Gramajo Roofing Inc Capstone Roofing Inc
Rating 4.5 4.8
Years Licensed 7 years 34 years
License # 1043262 629383
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Santa Rosa, CA Santa Rosa, CA
Website www.gramajoroofing.com www.capstoneroofing.biz

Our Analysis

Both companies are based in Santa Rosa, Sonoma County, CA, and each is listed as having an active license, workers’ compensation coverage, and a $25,000 bond. A key difference is time licensed: Gramajo Roofing Inc is listed at 7 years, while Capstone Roofing Inc is listed at 34 years.

In terms of customer-referenced scope, both are associated with roof replacements and shingle installations. Gramajo Roofing Inc is also referenced for coordinating with other trades for repair work connected to roofing projects, and for handling residential and multi-unit work, including an apartment complex installation. Capstone Roofing Inc’s customer feedback focuses more on process execution, including organized estimating and scheduling, timely arrivals, and efficient crews; several customers mention roof replacements completed within a single day.

Customer-described experience differs in emphasis. Gramajo Roofing Inc is frequently described as attentive to requests, listening to concerns, and explaining the work, with one contrasting account noting dissatisfaction with jobsite cleanup and on-site conduct on a multi-unit project. Capstone Roofing Inc is commonly associated with clear communication, walkthroughs or explanations, and thorough cleanup, while pricing feedback is mixed, with some describing quotes as competitive and others noting higher bids.

Why choose Gramajo Roofing Inc?

  • You want a contractor described as attentive to project requests, with customers noting listening and explanations of the work.
  • Your project may include add-ons like gutters, downspouts, and gutter screens alongside roofing work.
  • You may need coordination with other trades for repairs connected to the roofing project.
  • You are evaluating a contractor with 7 years licensed experience, and you want to ask upfront about jobsite cleanup and site management expectations.
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Why choose Capstone Roofing Inc?

  • You prefer a process that customers describe as organized from estimate through scheduling and installation.
  • You value efficiency and punctuality, including reports of crews arriving on time and completing some replacements within a single day.
  • You want thorough cleanup and a walkthrough or explanation after the job, as commonly mentioned by customers.
  • You are comparing bids and want to clarify what is included, since customer feedback notes that pricing can be viewed as either competitive or higher depending on the project.
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What do you need help with?

Frequently Asked Questions

Yes. Both are listed with an active license status and workers’ compensation coverage.

Customer references for both include exterior water-management upgrades such as gutters, downspouts, and gutter screens.

Capstone Roofing Inc is listed as licensed for 34 years, while Gramajo Roofing Inc is listed as licensed for 7 years.

Based on customer feedback, ask about project scheduling and expected duration, cleanup procedures, what the estimate includes (roofing plus any gutters/downspouts/screens), and how coordination with other trades is handled if repairs are needed.

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.