Updated: Jun 24, 2026
Location and Projects
Address
500 Old Bethpage Road, Plainview, NY, 11803
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Guaranteed Home Improvement HVAC/Mechanical Contractor
Guaranteed Home Improvement LLC, 500 Old Bethpage Rd, Putnam County, NY (Owned by: Jason Robado) holds a Chimney Service license and 12 other licenses according to the Putnam County license board.
Their BuildZoom score of 112 ranks in the top 3% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Guaranteed Home Improvement LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Guaranteed Home Improvement LLC Services
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Guaranteed Home Improvement LLC Contact Information
Phone Number: (516) 809-7603
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Address: 500 Old Bethpage Road, Putnam County, NY 11803
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Guaranteed Home Improvement LLC Putnam County
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guaranteed Home Improvement LLC has a BuildZoom score of 112, which places them above 97% of 77,888 contractors in New York.
Activity
|
53 projects
|
2025 |
|
99 projects
|
2024 |
|
57 projects
|
2023 |
Our building permit records indicate that Guaranteed Home Improvement LLC has worked on at least
209.0 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
|
135 projects
|
Mechanical projects |
|
3 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Guaranteed Home Improvement LLC mostly works on
mechanical project
and hvac project
projects.
Pricing
|
3 projects
|
< $5k |
|
58 projects
|
$5k-$20k |
|
103 projects
|
$20k-$50k |
|
22 projects
|
$50k-$100k |
|
12 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $27,800. 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.
Guaranteed Home Improvement LLC Reviews
5 out of 5 stars, based on
2
reviews
-
By Elisabeth S.March 29, 2023Flue cleaning$70
-
By Kevin R.November 30, 2022
These guys were great. Mario and two other guys put in a new chimney liner and the piping I needed connected to my boiler. Professional. Cleaned up. Great guys. Showed me everything, including pictures of top of chimney which I couldn’t see. I would recommend them to everyone. Great operation . They were brought to me by Home Serve because I need a new gas boiler
Building Permits by Guaranteed Home Improvement LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
General construction for the installation of a new natural gas fired steam boiler hot water boiler and associated plumbing. installation of new mechanical piping & chimney in association with plumbing and boiler permits. no change in egress oroccupancy
Valuation:
$100,000
Permit #:
M00887647-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Provide new liner at existing chimney and provide new fire rated door and misc. installation of gypsum at ceiling to create a fire rated ceiling. there is no change in use egress or occupancy under this application
Valuation:
$7,500
Permit #:
M00944238-S2-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new breeching and chimney liner. installation of related piping and electrical components. no change in egress or occupancy
Valuation:
$239,500
Permit #:
M00893622-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new chimney liner. all work as per plans filed herewith. no change in use egress or occupancy
Valuation:
$364,000
Permit #:
M00857979-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 10 gage all welded 304 stainless steel extension on existing tile lined chimney in conjunction with nb 121204801. no change in means of egress use group or occupancy
Valuation:
$25,000
Permit #:
M01148805-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing to obtain certificate of compliance for one (1) packaged rooftop hvac unit previously filed under dob application no. 510036382. install new exhaust vent for replacement hot water heater as per plans. no change in use egress or occupancy
Valuation:
$2,000
Permit #:
S01094105-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install temporary supported scaffolding as per plans. no change in use occupancy or egress
Valuation:
$160,000
Permit #:
X01157255-I1-SF
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) new metal chimney offset/extension on existing brick chimney. remove rain cap and extenf metal 10 gage 304ss chimney 3 feet above adjacent new building. no change in means of egress use group or occupancy
Valuation:
$10,000
Permit #:
M01127233-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner in existing masonry chimney as per plans. no change in use egress or occupancy
Valuation:
$110,000
Permit #:
Q00995898-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner as per plans. repair and repoint existing masonry chimney as per plans. no change in use occupancy or egress
Valuation:
$132,300
Permit #:
Q01064889-I1-GC-CX
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new chimney liner and section of chimney breeching in existing tunnel. general construction for the installation of new clean outs. no change in egress or occupancy
Valuation:
$145,000
Permit #:
M00820684-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney extension as per plans. no change to use occupancy or egress
Valuation:
$98,600
Permit #:
M01104632-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New chimney liner. new gas meter room. remove existing 5000 gal oil tank. no change in means of egress use group or occupancy
Valuation:
$100,000
Permit #:
M01093303-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement (1) new doublewall flue connected to existing wood burning fireplace filed under dob# 320483758. no change in means of egress use group or occupancy
Valuation:
$23,000
Permit #:
B00974441-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner as per plans. no change in use occupancy or egress
Valuation:
$172,300
Permit #:
M00938016-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install temporary supported scaffold for chimney installation as per plans. no change in use occupancy or egress
Valuation:
$10,000
Permit #:
S01214015-I1-SF
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner in existing masonry chimney as per plans. no change in use egress or occupancy
Valuation:
$15,000
Permit #:
Q00989397-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new exhaust vents and air intake vents to connect to existing gas-fired boilers as per plans. no change in use egress or occupancy
Valuation:
$30,000
Permit #:
M00995512-I1-GC-CX
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new chimney liner and chimney offset as per plans. no change in use occupancy or egress
Valuation:
$114,500
Permit #:
M01114437-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) new doublewall chimney extension on existing metal stack. offset existing kitchen exhaust. seal (5) existing abandon fireplace flues. all in conjunction with nb 121190745. no change in means of egress use group or occupancy
Valuation:
$23,000
Permit #:
M08037091-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Guaranteed Home Improvement LLC License info
Verified License
| Status | Active |
| County | Putnam County |
| Type | Chimney Service |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H0708530000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Guaranteed Home Improvement LLC at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Westchester County |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0616856 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Guaranteed Home Improvement LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1281168-DCA |
| Status | Active |
| State | New York |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Guaranteed Home Improvement LLC at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 164678 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 10-27-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Guaranteed Home Improvement LLC at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA106397 |
| Status | Active |
| State | Pennsylvania |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Guaranteed Home Improvement LLC with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 612866 |
| Status | Active |
| State | New York |
| Type | General Contractor Non Registered |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Guaranteed Home Improvement LLC with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 43556 |
| Status | Active |
| County | Suffolk County |
| Type | H H6 - Windows And Siding, H9 - Roofing, H23 - Chimneys, H1 - Gc |
- When BuildZoom last verified this license, it had an expiration date of August, 2016. Check the current license status of Guaranteed Home Improvement LLC with the Suffolk County Department of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H18C3860000 |
| Status | Inactive |
| County | Nassau County |
| Type | Home Improvement Contractors |
- According to the Nassau County Office of Consumer Affairs, 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 Guaranteed Home Improvement LLC at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H07085300 |
| Status | Inactive |
| County | Nassau County |
| Type | Home Improvement Contractors |
- According to the Nassau County Office of Consumer Affairs, 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 Guaranteed Home Improvement LLC at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | L003265 |
| Status | Inactive |
| Town | Town Of Southampton |
- According to the Town of Southampton Department of Land Management, 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 Guaranteed Home Improvement LLC at the Town of Southampton Department of Land Management.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PC6046 |
| Status | Inactive |
| County | Putnam County |
| Type | General Carpentry |
- According to the Putnam County Department of Consumer Affairs, 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 Guaranteed Home Improvement LLC at the Putnam County Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Northland Ins Company |
Insured
| Workers Comp Provider | National Liability & Fire |
496
Permits
- Building permit records show that Guaranteed Home Improvement LLC has worked on 496 permitted projects.
Guaranteed Home Improvement LLC Employees
AR
Alberto Roman
Salesman
HE
Hussein A Elshazly
Owner
JR
Jason Robado
Owner
JF
John Fimbel
Owner
JR
Justin A Romano
Member
JR
Justin A. Romano
President
JR
Justin Romano
Owner
OB
Oscar Barrios
Removed
RA
Romano Justin A.
I was very happy with the work that was done today. Walter and Steve arrived on time and were clean, efficient,friendly and worked hard to answer my questions and to do a great job. I definitely would use this company again. Everything was done as promised and the cost was extremely fair. Best of all, after the men had left, I received a call from the business office to check that I was satisfied with the work!