Updated: Jul 22, 2026
Location and Projects
Address
197 DESMOND STREET, San Francisco, CA, 94134
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J O Roofing Co
J O Roofing Co, 197 Desmond St, San Francisco, CA (Employees: Janos Oszaszy, Janos Oszaszy, and Jesus Casimiro Ontiveros) holds a Roofing license and 5 other licenses according to the California license board.
Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring J O Roofing Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
J O Roofing Co Contact Information
Phone Number: (818) 345-9471
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Address: 197 DESMOND STREET, San Francisco, CA 94134
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J O Roofing Co San Francisco
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
J O Roofing Co has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
26 projects
|
2025 |
|
21 projects
|
2024 |
|
19 projects
|
2023 |
Our building permit records indicate that J O Roofing Co has worked on at least
66.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
66 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that J O Roofing Co mostly works on
roofing project
projects.
Pricing
|
3 projects
|
< $5k |
|
40 projects
|
$5k-$20k |
|
15 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $15,450. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00212
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00211
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00210
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00209
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203). 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00208
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203). 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00207
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00206
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203) 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00205
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(sub case to rerc2025-00203). 108 131 or 132 inspection required prior to covering any work; re-roofing asphalt shingles and modified bitumen roofing system re-roofing
Valuation:
$240,000
Permit #:
RERC2025-00204
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing windows or siding fire repair other repairs
2025-08-11
(main case) install new underlayment tyvek and hardie lap siding building 1 units - 1 - 101 102 201 202 building 2 units -111 110 109 108 211 210 209 208 building 3 units -103 104 203 204 building 4 units -112 113 212 213 building 5 units -105 106 107 205 206 207 building 6 units -114 115 214 215 building 7 units -118 218 117 217 116 216 building 8 units -119 120 121 122 123 219 220 2... see more
Valuation:
N/A
Permit #:
CBRC2025-00389
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing windows or siding fire repair other repairs
2025-08-11
(main case) install new underlayment tyvek and hardie lap siding building 1 units - 1 - 101 102 201 202 building 2 units -111 110 109 108 211 210 209 208 building 3 units -103 104 203 204 building 4 units -112 113 212 213 building 5 units -105 106 107 205 206 207 building 6 units -114 115 214 215 building 7 units -118 218 117 217 116 216 building 8 units -119 120 121 122 123 219 220 2... see more
Valuation:
N/A
Permit #:
CBRC2025-00388
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re roofing modified bitumen system remove existing roofing material install 1/2 protection board install sa base install modified bitumen roofing system. (hot work)
Valuation:
$19,500
Permit #:
202505206894
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Re roofing modified bitumen system remove existing roofing material install 1/2 protection board install sa base install modified bitumen roofing system. (hot work)
Valuation:
$19,500
Permit #:
202505206894
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 40 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$8,000
Permit #:
24016-90000-00869
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroofing
Valuation:
$14,000
Permit #:
202302222382
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remove existing shingles and gutters. remove existing roof in the flat roof area. install new shingles gutters and downspouts over slope area. over flat roof area install three ply modified bitumen roof. install flashing as needed
Valuation:
N/A
Permit #:
BLD2024-02237
Status:
issued
Fee:
$461
Permit Type:
N/A
Building Type:
N/A
Re roofing remove existing roof down to wood and install all new underligment and all new shingles. (no hot torch)
Valuation:
$16,800
Permit #:
202505237149
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Re-roofing at flat portion only. no hot work. no work to (e) roof structural sheathing. no work at front sloped roof
Valuation:
$10,800
Permit #:
202504144305
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
23 sq.ft. re-roof; house duplex detached garage; tear off; class a; asphalt/composition shingles; install cool roof product labeled and certified by cool roof rating council (crrc) per bmc 9-1-11-4.509
Valuation:
$115
Permit #:
BS2406274
Status:
issued
Fee:
N/A
Permit Type:
Repair & maintenance
Building Type:
Single-family res...
Reroof with 37 sqrs comparable shingle roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$7,400
Permit #:
22016-90000-15792
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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J O Roofing Co Reviews
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Verified License
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J O Roofing Co License info
Verified License
| License # | 1091379 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for J O Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 759694 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for J O Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 756679 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for J O Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 765051 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J O Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 765051 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J O Roofing Co at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 668484 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J O Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
689
Permits
- Building permit records show that J O Roofing Co has worked on 689 permitted projects.
J O Roofing Co Employees
JO
Janos Oszaszy
Sole Owner
JO
Janos Oszaszy
Sole Owner
JO
Jesus Casimiro Ontiveros
Sole Owner
JS
Jozsef Szaldobagyi
Sole Owner
JO
Juan Osorio Osorio
Rmo / Ceo / Pres
JO
Juan Manuel Ortiz
Sole Owner
JO
Juan Osorio Osorio
Rmo / Ceo / Pres