Updated: Jul 04, 2026
Location and Projects
Address
17426 DELLHAVEN COURT, Castro Valley, CA, 94552
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Tri Valley Roofing Inc
Tri Valley Roofing Inc, 17426 Dellhaven Ct, Castro Valley, CA (Employees: Catherine Marie Piekarczyk, Cornelius Estrada, and Cornelius Estrada) holds a Roofing license and 2 other licenses according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tri Valley Roofing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Tri Valley Roofing Inc Contact Information
Phone Number: (510) 432-9530
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Address: 17426 DELLHAVEN COURT, Castro Valley, CA 94552
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Tri Valley Roofing Inc Castro Valley
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tri Valley Roofing Inc has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
48 projects
|
2025 |
|
32 projects
|
2024 |
|
32 projects
|
2023 |
Our building permit records indicate that Tri Valley Roofing Inc has worked on at least
112.0 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
|
111 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Tri Valley Roofing Inc mostly works on
roofing project
projects.
Pricing
|
1 project
|
< $5k |
|
34 projects
|
$5k-$20k |
|
68 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
The typical size of their permits is approximately $23,540. 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.
Building Permits by Tri Valley Roofing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tearing off existing roofing material installing new solid sheathing and reroofing with new composition shingles 30 squares of cool roof (0668-0149) landmark tl solaris country gray zoning r-1-65
Valuation:
$40,264
Permit #:
B25-1121
Status:
final
Fee:
$312
Permit Type:
N/A
Building Type:
N/A
Tearing off existing roofing and reroofing with new composition shingles. 57/63 squares. cool roof exception (e) roof has existing r-38 ceiling insulation. zoning pud-rdr/ldr
Valuation:
$71,196
Permit #:
B25-2264
Status:
final
Fee:
$317
Permit Type:
N/A
Building Type:
N/A
Tearing off existing roofing materials and reroofing with new composition shingles. 31.50 squares cool roof (0668-0148) landmark tl solaris moire black zoning r-1-65
Valuation:
$25,421
Permit #:
B25-0252
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Reroofing tearing off exisiting roofing material and reroofing with composition shingles. new shingles will be graphite landmark solaris 0668-0155. 17 squares roof pitch 4/12
Valuation:
N/A
Permit #:
B25-00110
Status:
final
Fee:
$559
Permit Type:
Residential
Building Type:
N/A
Tear off existing roofing materials install new composition shingles on detached garage only. 8.75 squares crrc # (0668-0119) landmark solaris® weathered wood
Valuation:
$9,434
Permit #:
B25-0013
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Tearing off existing roofing material placing new underlayment on the pitched section of the roof. the pitched section will be reroofed with composition shingles (16 squares). the flat roof section is (6 squares) on low slope section of roof new certainteed flintlastic sa nail base sheets will be installed according to manufacturer’s specifications. next 1 layer of certainteed flintla... see more
Valuation:
$25,367
Permit #:
B24-1278
Status:
final
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Re-roof comparable to comparable 65 sq
Valuation:
$96,006
Permit #:
R24-007984
Status:
final
Fee:
$432
Permit Type:
N/A
Building Type:
N/A
Reroof -remove up to 1 layer of existing roofing. install new 30lb astm or premium underlayment. a new low slope ice and water shield will be installed on the low slope section of porch. install 26 squares of cool roof (0668-0132) presidential solaris charcoal black zoning r-1-65
Valuation:
$31,137
Permit #:
B24-0878
Status:
final
Fee:
$311
Permit Type:
N/A
Building Type:
N/A
Reroof - one/two family residential new roof: tear-out and composition asphalt shingle class a area 2933 sf use existing roof deck remove composition asphalt shingle existing roofing est. 4 ton to be recycled
Valuation:
$11,439
Permit #:
BLD2025-02519
Status:
final
Fee:
$0
Permit Type:
Reroof - single f...
Building Type:
N/A
Tearing off existing roofing materials and reroofing with new composition shingles. 16 squares cool roof material 0668-0071 landmark mist white pud- r-1-65
Valuation:
$13,905
Permit #:
B25-0126
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Tear off existing roofing materials and reroof with new composition shingles. 21.50 squares (0668-0071) landmark mist white zoning r-1-65
Valuation:
$14,995
Permit #:
B25-0014
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Up to 1 layer of existing roofing will be removed and hauled away in a legal manner. . new 2x8 preprimed cedar boards will be installed. new underlayment will be installed. new class a landmark solaris shingles will be installed. (0668-0129) landmark solaris® moire black zoning r-1-65
Valuation:
$23,995
Permit #:
B24-0512
Status:
final
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Reroof - installing 17 squares of new comparable shingles over one layer of comparable shingles (0668-0116) georgetown gray zoning r-1-65
Valuation:
$13,719
Permit #:
B25-1441
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Reroof with cool roof crrc #0668-0119 (certainteed llc landmark solaris weathered wood asphalt shingle multicolor) 25 sq r-1-65
Valuation:
$17,084
Permit #:
B25-1348
Status:
final
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Reroof up to 1 layer of existing roofing will be removed and hauled away in a legal manner. new 1/2’” cdx plywood will be fastened down over existing skip sheathing in order to achieve a solid surface. new underlayment will be placed. certainteed presidential shake solaris dimensional shingles will be installed (0068-0149) landmark® tl solaris country gray zoning r-1-65
Valuation:
$36,549
Permit #:
B23-4148
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Reroof comparable to comparable 29 sq
Valuation:
$35,371
Permit #:
R23-007820
Status:
final
Fee:
$363
Permit Type:
N/A
Building Type:
N/A
Reroof-tear off existing roofing and reroofing with new composition shingles. 28.97 squares (0668-0125) landmark pro solaris max def weathered wood zoning r-1-65
Valuation:
$23,868
Permit #:
B25-2067
Status:
final
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Tearing off existing roofing material placing new underlayment. reroofing with landmark tl solaris shingles. 18.50 squares (0668-0129) landmark solaris moire black zoning pud-mdr
Valuation:
$15,960
Permit #:
B24-1408
Status:
final
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Reroof tearing off the existing roof and placing new underlayment and re-roofing with new composition shingles install 31 squares of cool roof material (0668-0127) presidential solaris autumn blend zoning r1-65
Valuation:
$35,505
Permit #:
B23-2049
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Reroof on the pitched section of roof remove up to 3 layers of roofing. install new underlayment install 19s squares of cool roof comparable (0668-0129). zoning pud-c-s
Valuation:
$21,065
Permit #:
B24-1922
Status:
final
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
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Tri Valley Roofing Inc Reviews
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Tri Valley Roofing Inc License info
Verified License
| License # | 1100411 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Tri Valley Roofing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 573597 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Tri Valley Roofing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 511976 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| Business Type | Corporation |
- 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 Tri Valley Roofing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
491
Permits
- Building permit records show that Tri Valley Roofing Inc has worked on 491 permitted projects.
Tri Valley Roofing Inc Employees
CP
Catherine Marie Piekarczyk
Officer
CE
Cornelius Estrada
General Partner
CE
Cornelius Estrada
General Partner
PC
Patrick Louis Casarez
Rmo
RP
Ryan Daniel Piekarczyk
Rmo / Ceo / Pres