Location and Projects
Address
105 W Britania Ave, Durham, NC, 27704
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Cornerstone Foundation Repair and Waterproofing LLC Photos
Cornerstone Foundation Repair and Waterproofing LLC
Cornerstone specializes in foundation repair, floor framing repairs, crawlspace and basement waterproofing.
From BuildZoom: Cornerstone Foundation Repair and Waterproofing LLC, 105 W Britania Ave, Durham, NC (Owned by: Hallenborg, Jonathan Sherman) holds a Residential license and 2 other licenses according to the North Carolina license board.
Their BuildZoom score of 117 ranks in the top 1% of 101,103 North Carolina licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cornerstone Foundation Repair and Waterproofing LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cornerstone Foundation Repair and Waterproofing LLC Services
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Cornerstone Foundation Repair and Waterproofing LLC Contact Information
Phone Number: (919) 599-6687
Address: 105 W Britania Ave, Durham, NC 27704
Cornerstone Foundation Repair and Waterproofing LLC Durham
Quality
117
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cornerstone Foundation Repair and Waterproofing LLC has a BuildZoom score of 117, which places them above 99% of 101,103 contractors in North Carolina.
Activity
|
21 projects
|
2025 |
|
15 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Cornerstone Foundation Repair and Waterproofing LLC has worked on at least
45.0 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.
Pricing
|
11 projects
|
< $5k |
|
15 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $5,000. 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 Cornerstone Foundation Repair and Waterproofing LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Structural foundation repair: replace rotten wood. install cmv piers and dropped girders. install cmv pilasters. *engineer will inspect and write letter. no m/e/p work
Valuation:
N/A
Permit #:
CB23-0672
Status:
expired
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Floor support drop girder piers. 5224 purnell rd wake forest 27587
Valuation:
$2,000
Permit #:
RABS-146280-2025
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Floor support drop girder piers. 5224 purnell rd wake forest 27587
Valuation:
$2,000
Permit #:
RABS-146280-2025
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Install cmu piers and footings
Valuation:
$5,000
Permit #:
BLDR-010827-2025
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of (4) deep foundation helical piers at the front and left elevations of the house. space the helical piers no more than 6’-0” apart and install to an ultimate bearing capacity of 18 kips. see attached sketch
Valuation:
N/A
Permit #:
BLDR-035516-2020
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 helical piles
Valuation:
$2,000
Permit #:
BLDR-012133-2025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Helical pile installation
Valuation:
N/A
Permit #:
BLDR-010237-2025
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building permit - existing residential (addition/alteration/accessory)
2025-11-10
Install helical piles. replace girder section. shim 5 cmu piers
Valuation:
$14,000
Permit #:
BLDRE-009234-2025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install helical piles
Valuation:
N/A
Permit #:
BLDR-011269-2025
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace damaged floor joists and girders. install new and replace damaged cmu piers
Valuation:
N/A
Permit #:
CB24-1023
Status:
expired
Fee:
$267
Permit Type:
N/A
Building Type:
N/A
Repair floor framing in crawl space install drop girder replace damaged ledger strip new joist @ fireplace new joists @ hallway
Valuation:
N/A
Permit #:
CB20-2478
Status:
complete
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$7,500
Permit #:
25-6801|000/000/RSRP/00
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
Planned dev major
Install 3 helical piers
Valuation:
$3,000
Permit #:
25-3648|000/000/RSRP/00
Status:
final
Fee:
$85
Permit Type:
Building - reside...
Building Type:
Residential district
Fairfield - single family dwelling - no trades - repair damaged floor framing. install cmu piers and new floor joists
Valuation:
$14,000
Permit #:
RABS-120327-2024
Status:
complete
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Install helical piles to stabilize the foundation. replace rotten wood inside crawlspace
Valuation:
$22,900
Permit #:
BLDR-046780-2023
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Enchanted oaks - lot 113 - single family dwelling - install dropped girder
Valuation:
$1,800
Permit #:
RABS-079648-2022
Status:
complete
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install helical piles and cmu piers
Valuation:
$25,000
Permit #:
BLDR-039197-2025
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Sister damaged floor joists and install blocking
Valuation:
$2,500
Permit #:
BLDR-037624-2025
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$4,500
Permit #:
25-10354|000/000/RSRP/00
Status:
plancheck
Fee:
$85
Permit Type:
N/A
Building Type:
Residential district
No Description Available
Valuation:
$2,500
Permit #:
25-5330|000/000/RSRP/00
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
Residential district
Cornerstone Foundation Repair and Waterproofing LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cornerstone Foundation Repair and Waterproofing LLC License info
Verified License
| License # | 107590 |
| Status | Active |
| State | North Carolina |
| Type | Residential |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cornerstone Foundation Repair and Waterproofing LLC at the North Carolina Licensing Board for General Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 63950 |
| Status | Active |
| State | North Carolina |
| Type | Residential |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cornerstone Foundation Repair and Waterproofing LLC at the North Carolina Licensing Board for General Contractors.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 87152 |
| Status | Active |
| State | North Carolina |
| Type | Residential |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Cornerstone Foundation Repair and Waterproofing LLC with the North Carolina Licensing Board for General Contractors
This is a sample of licensing data; click here to access a complete history.
117
BuildZoom Score
Insured
| Insurer | Liberty Mutual |
| Insured up to | $5,000,000 |
Insured
| Workers Comp Provider | Travellers |
| Workers Comp Value | $1,000,000 |
210
Permits
- Building permit records show that Cornerstone Foundation Repair and Waterproofing LLC has worked on 210 permitted projects.
Cornerstone Foundation Repair and Waterproofing LLC Employees
HS
Hallenborg, Jonathan Sherman
Owner
JH
Jonathan Sherman Hallenborg