Independently Rated Highest in Quality
F o u r t h                              Consecutive Year        
Originally Earned:
December 2008
We declare that Simpson Roofing Service HAS QUALIFIED for and continues to meet the Ongoing Research and Rating Requirements for Diamond Certified® status.
Certificate #1473
(650) 918-6988

Simpson Roofing Service is a general roofing contractor that serves residential clients throughout the San Francisco Peninsula. The company provides complete roof construction, reroofing and waterproofing services, and it can work with a variety of roofing materials, including wood, slate, clay, shake and composition. It also installs gutters, drainage systems and skylights.

Owner Mark Simpson spent several years teaching biology and chemistry before moving to the Bay Area and rekindling his childhood passion for roofing. After working as a roofing estimator for a construction firm, Mr. Simpson established Simpson Roofing Service with the goal of bringing his 40 years of industry experience to every job. He’s joined by a staff that includes two Master Roofers and several journeymen roofers with decades of experience.

Simpson Roofing Service prides itself on its project coordination skills and ability to communicate effectively with its clients. “We have to manage several different aspects during each job,” explains Mr. Simpson. “From the building department to the distributors to the demolition people…it can be challenging, but that’s where we excel.” The company can also obtain building permits to facilitate the construction process for its clients.

Company Philosophy

“Quality work is all about paying attention to detail, so we meticulously check our work during all phases of a roofing job. We listen to our clients, communicate with them throughout their projects and follow up afterward to make sure they’re satisfied. We enjoy educating them about all their options, and we make sure they have positive, enjoyable experiences.”

Serving all of San Mateo County including Menlo Park, Daly City, San Mateo, Foster City, Redwood City, S San Francisco, San Bruno and Hillsborough.

Complete Roof Construction
Gutters & Drainage Systems
Skylights
Slope Roof Systems
Wood, Clay & Shakes
Composition

Findings based on statistically reliable research from 40 surveys

Customer Satisfaction

Survey Question: On a scale of 1 to 10 how satisfied were you with the quality you received?
Chart.

Company Credentials

Workers Compensation
Liability Insurance
License Verification
Business Practices
Current Complaint File

Customer Loyalty

Survey Question: If you needed this product or service in the future, would you use this company again?
Chart.
95%
n = 40

Diamond Certified Qualification

Based on 40 customer surveys, we declare
Simpson Roofing Service
has passed all rating steps and has earned
The Diamond Certified Award
No. 1473
Continuously qualified since December 2008.
David Pak
Director of Ratings Research
American Ratings Corporation

Verbatim Survey Responses From Only Verified Customers

Bob S. Verified Customer Name
"They were friendly. They did a great job."
Research conducted by American Ratings Corporation. Ratings Methodology

Diamond Certified® Video Profile

See video

Company Capabilities Table

Simpson Roofing Service
(650) 918-6988
(650) 589-0805 fax
DCID6505980805

Mon - Fri: 7am - 5pm

Serving all of San Mateo County including Menlo Park, Daly City, San Mateo, Foster City, Redwood City, S San Francisco, San Bruno and Hillsborough.

4
526499
Liability Insurance, Worker's Compensation
Mark Simpson, Owner
San Mateo Roofing

Survey Responses For

Simpson Roofing Service

Simpson Roofing Service: Average 9.2 out of 10 based on 40 unique customer surveys of these open ended questions.
Bob S. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were friendly. They did a great job."

Geri B. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They did my roof inspection. They were very professional, thorough, and efficient."

Dawn M. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Very professional, honest, and reliable."

Al G. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"That the owner is available at anytime for discussion, he is always on top of it and right there. His customer service level is excellent."

Brian F. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"He returns my phone calls when I call, and he is on time. I think his prices are pretty reasonable."

Bruce K. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were on time and on budget."

Bryan S. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I liked that the quality of their work was very good."

Claudia D. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Very friendly and easy to work with, they also got the job done quickly."

Dennis R. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Their promptness, and the work was done to my satisfaction."

Gary G. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were fast, efficient, and they came when they said they would. They also finished when they said they would."

Greg H. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Very thorough."

Greg L. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"He was very flexible when working with an elderly lady."

Jeanee K. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"He was very helpful. He drove us around and showed us some roofs that we might like. He was very courteous, prompt, efficient, and knowledgeable. He also cleaned up. I would highly recommend him."

Linda T. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"He was very good and very knowledgeable. He did the job he was supposed to do. I have to tell you that I've had many horror stories dealing with different contractors. I was very comfortable with him."

Mark H. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"The owner is always on the job."

Mel G. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They did a good job."

Mr. L. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were quick, and they did a good job."

Mr. P. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were prompt, on time, and they cleaned up after themselves."

Peggy B. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"They were efficient, prompt, and they did a good job. All together, it was a good experience."

Dean. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"I liked their knowledge about their job and their industry. They were there when they said they would be, and they finished when they said they would finish. They were a great company."

Spencer. Verified Simpson Roofing Service Customer Name
Q1:10 out of 10
Q2:Yes
Q3 & Q4:"Actually, it was the fact that he was adversely unhindered by the circumstances of the job, it was a very difficult job that needed to be assessed from many angles. It was a multi-family dwelling that had issues. He knew multiple trades and knew what other liabilities were involved. I have been a licensed contractor for years and that type of work requires a certain type of personality to succeed. He has what it takes."

Jeff H. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The roof is really solid. It should last for years. He's worked with my family for years. I found out about him by word of mouth. Several years ago, I bought a house, and there were four layers of roofing. There was a storm and part of the roof blew off and took out my neighbor's car. It needed to be replaced right away. My family recommended him. The roof went up very quickly with minimal problems and interruptions."

Jim L. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They got it done on time and on budget. Those are the really important things. It's so rare today to find a company that stays on budget or gets things done on time. It's almost a miracle. I've used them several times."

Leo B. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Everything was done properly."

Mark W. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"The roofing was done professionally."

Mrs. P. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"He came when I had a problem. He was one of the only roofers that was able to take care of it right away."

Phil N. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They got the job done in a good amount of time. I was satisfied with the service."

Tom A. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They seemed to do a very good quality job."

Mr. R. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Generally, it all worked out great."

Tim. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"Quality and dependability."

Mr. W. Verified Simpson Roofing Service Customer Name
Q1:9 out of 10
Q2:Yes
Q3 & Q4:"They showed up when they said they would. Some roofers don't do that."

W.L. Verified Simpson Roofing Service Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"He aims to please."

Aaron C. Verified Simpson Roofing Service Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"They were fast."

Donna C. Verified Simpson Roofing Service Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"It seemed like he had guys who knew what they were doing."

Robert W. Verified Simpson Roofing Service Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"He organized his work pretty well compared to other roofing contractors."

Michael. Verified Simpson Roofing Service Customer Name
Q1:8 out of 10
Q2:Yes
Q3 & Q4:"He is a hands-on guy. He runs the whole operation. I am very comfortable with him."

Barbara W. Verified Simpson Roofing Service Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:"The communication, he told me when he would be here and explained exactly what he was going to do."

Jim B. Verified Simpson Roofing Service Customer Name
Q1:7 out of 10
Q2:Yes
Q3 & Q4:"They finished the job quickly. They did an okay job."

Rosemarie S. Verified Simpson Roofing Service Customer Name
Q1:7 out of 10
Q2:No
Q3 & Q4:"They did a great job on the roof."

Don M. Verified Simpson Roofing Service Customer Name
Q1:5 out of 10
Q2:No
Q3 & Q4:"They came on time, and the roof doesn't leak. Actually, the roof looks really nice."