Updated: May 12, 2026
Location and Projects
Address
28 OAK ST, Holbrook, MA, 02343
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Thanh G Do HVAC/Mechanical Contractor
Thanh G Do, 28 Oak St, Holbrook, MA (Owned by: Do Thanh) holds a Sheet Metal license and 2 other licenses according to the Massachusetts license board.
Their BuildZoom score of 101 ranks in the top 12% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Thanh G Do, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Thanh G Do Contact Information
Phone Number: (781) 600-9262
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Address: 28 OAK ST, Holbrook, MA 02343
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Thanh G Do Holbrook
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Thanh G Do has a BuildZoom score of 101, which places them above 88% of 139,240 contractors in Massachusetts.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Thanh G Do has worked on at least
19.0 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
|
17 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Thanh G Do mostly works on
hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
13 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $29,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 4 hydro air all new duct work 4 condenser
Valuation:
$48,500
Permit #:
SH-25-0063
Status:
issued
Fee:
$588
Permit Type:
Newwork
Building Type:
1to2family
Install one mitsubishi air handler for third floor new duct insulated duct work one mitsubishi heat pump condenser. relocate 4 old vent supply in basement
Valuation:
$26,300
Permit #:
SH-22-1493
Status:
issued
Fee:
$324
Permit Type:
Newwork
Building Type:
1to2family
Changing existing flex vent from existing kitchen hood/microwave to new ridged vent piping. all work to comply with 780 cmr and local bylaws. dust mitigation required during permitted work
Valuation:
$285
Permit #:
MP-2025-000266
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Install 4 hydro air handler all new duct work condenser
Valuation:
$49,000
Permit #:
SH-25-0910
Status:
issued
Fee:
$588
Permit Type:
Newwork
Building Type:
1to2family
Install two furnace two coil new insulated supply duct work two condenser
Valuation:
$22,500
Permit #:
SH-23-0451
Status:
final
Fee:
$276
Permit Type:
HVAC
Building Type:
1to2family
Install three bryant air handler 3 heat coil new duct work 3 bryant condenser
Valuation:
$48,500
Permit #:
SH-24-0114
Status:
issued
Fee:
$588
Permit Type:
Newwork
Building Type:
1to2family
Replace two furnace. install two furnace air conditioning coil new duct work two condenser
Valuation:
$22,500
Permit #:
SMP-22-42
Status:
issued
Fee:
$285
Permit Type:
HVAC
Building Type:
N/A
Replace one unico unit install one new unico unit new ductwork condenser
Valuation:
$26,500
Permit #:
SH-24-0113
Status:
issued
Fee:
$324
Permit Type:
Renovation
Building Type:
1to2family
Install one rooftop unit all new duct work
Valuation:
$28,500
Permit #:
SH-23-0582
Status:
complete
Fee:
$570
Permit Type:
Newwork
Building Type:
Retail
Install 4 hydro air unit new duct work 4 condenser
Valuation:
$48,500
Permit #:
SH-24-0699
Status:
final
Fee:
$588
Permit Type:
Newwork
Building Type:
1to2family
Replace two air handler and two condenser install two hydro air handler , two condenser some duct work
Valuation:
$18,500
Permit #:
M-21-0086
Status:
final
Fee:
$228
Permit Type:
Renovation
Building Type:
1to2family
Install two hydro air handler new duct work two condenser
Valuation:
$29,500
Permit #:
SH-24-0111
Status:
final
Fee:
$360
Permit Type:
Newwork
Building Type:
1to2family
Install two hydro air handler one furnace coil new duct wok three condenser
Valuation:
$30,500
Permit #:
B-23-76
Status:
complete
Fee:
N/A
Permit Type:
Sheet metal
Building Type:
N/A
Install one hydro air all new duct work one condenser
Valuation:
$18,500
Permit #:
SH-24-1003
Status:
issued
Fee:
$230
Permit Type:
Newwork
Building Type:
1to2family
Install two hydro air new duct work two condenser
Valuation:
$28,000
Permit #:
M-22-0046
Status:
final
Fee:
$336
Permit Type:
Newwork
Building Type:
1to2family
Install 2 furnace coil new duct work condenser
Valuation:
$25,500
Permit #:
1931
Status:
issued
Fee:
$510
Permit Type:
N/A
Building Type:
Residential
Install two hydro air handler some new duct work two condenser
Valuation:
$38,000
Permit #:
SH-23-1289
Status:
final
Fee:
$456
Permit Type:
HVAC
Building Type:
1to2family
Install one bryant rooftop unit
Valuation:
N/A
Permit #:
MEC-23-0592
Status:
complete
Fee:
$50
Permit Type:
New
Building Type:
N/A
Install the furnace coil new ductwork condesner
Valuation:
$21,500
Permit #:
2068
Status:
issued
Fee:
$430
Permit Type:
N/A
Building Type:
Residential
Install two hydro air new duct work and 2 condensers
Valuation:
$8,500
Permit #:
22030359
Status:
filed
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
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Thanh G Do Reviews
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Verified License
BuildZoom confirmed this contractor's license
Thanh G Do License info
Verified License
| License # | 8880 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Thanh G Do at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CS-098433 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thanh G Do at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 8880 |
| Status | Active |
| City | Newton |
| Type | Sheetmetal Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Thanh G Do with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
124
Permits
- Building permit records show that Thanh G Do has worked on 124 permitted projects.
Thanh G Do Employees
DT
Do Thanh
Owner