Roofing contractor
Mortensen Roofing & Gutters
4010 Folsom Ct, Concord, CA 94520
Listed under Pittsburg, CA
- Google average
- 5.0
- Ratings counted
- 5
- One and two star
- 0 of 5
- California median
- Not comparable
The first three are Google’s own figures for Mortensen Roofing & Gutters, read on 24 September 2026; the share is of every rating Google has counted, not of the review texts on this page. The median is ours — the middle figure among the California roofers we list with enough ratings to compare.
Rating breakdown
| 5 | 5 | 100% | |
|---|---|---|---|
| 4 | 0 | 0% | |
| 3 | 0 | 0% | |
| 2 | 0 | 0% | |
| 1 | 0 | 0% |
Too few ratings to compare against other roofers — at 5 ratings a single unhappy customer moves this figure by several points.
The critical reviews
The one and two-star reviews, first. These are what a star average hides, and they are the reason this page exists.
We hold no one or two-star review text for Mortensen Roofing & Gutters. That is not the same as there being none — it means our capture did not reach any. The rating breakdown above is Google’s own count and is the number to go on.
Other reviews we hold
5 more of the 5 reviews we hold text for, most recent first. We do not hold every review Google has.
- 5 out of 5Lawrencebabe6 months ago
Mortensen roofers were efficient and respectful. They showed up on time and finished their work quickly. The work was high quality and helped us install exhaust fans in our bathrooms. The price was reasonable and didn’t break the bank. I would book them again.
- 5 out of 5Jennifer PratherEdited 2 years ago
Mortensen Roofing roofed our house 35 years ago and it still stand strong. That is until a branch came and chipped a cement tile - they were great and helping me procure a new one a tiny bit different than our old one. However, it will do …
Google cut this review short. The full text is on their Google profile.
- 5 out of 5Rebecca Graham2 years ago
Very reasonably priced. Quality workmanship. Timely and consistent with deign.
- 5 out of 5Michael Anon5 years ago
From the estimate forward, I found working with the owner, John Mortensen, to be easy and professional. His bid was clearly the best I received. His crew, especially the supervisor, Humberto were skilled, professional, friendly, and …
Google cut this review short. The full text is on their Google profile.
- 5 out of 5Lisa Conners7 years ago
Thank you for fixing my mother's roof leaks on Elkwood dr, she is thrilled
Other roofers in Pittsburg
Ranked by how many ratings Google has counted.
| Roofing contractor | Google average | Ratings counted | One and two star | Contact |
|---|---|---|---|---|
| All Spec Sheet Metal Incfast turnaround4.118 ratings22.2% one and two star(925) 427-4900 | 4.1 | 18 | 22.2%4 of 18 | (925) 427-4900 |
| Fredy's Roofing Inc.project5.05 ratingstoo few to compare(925) 565-0747 | 5.0 | 5 | —too few | (925) 565-0747 |
| Rick's Quality RoofingRoofing contractor5.03 ratingstoo few to compare(925) 458-8889 | 5.0 | 3 | —too few | (925) 458-8889 |
Where this page comes from
Every figure above is Google’s, captured on 24 September 2026. The star average and the 5 ratings behind it are counted by Google across all of its reviews. The review text on this page is a sample — we hold 5, of which 5 have any text — and it is not everything Google shows.
Roof Warden does not verify licenses, bonds, insurance or workers’ compensation cover, and nothing on this page should be read as though we had. Confirm those directly with the contractor and with your state or provincial licensing body before you hire anyone.
There is not much data on Mortensen Roofing & Gutters. A short record here means our capture found little — not that there is nothing to find, and not that the business is new or inactive.