Updated: Jun 24, 2026
Location and Projects
Address
1766 Bedford St, Stamford, CT
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Guiltec Development LLC Photos
Guiltec Development Construction
Guiltec Development is a construction company managed by skilled Master Carpenter Denis Guilfoyle. His skilled work force has brought him through basically every level of residential and light commercial construction since the company began many years ago.
From BuildZoom: Guiltec Development LLC, 1766 Bedford St, Stamford, CT holds a Renovation license and 2 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 101 ranks in the top 12% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Guiltec Development LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Guiltec Development LLC Services
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Guiltec Development LLC Contact Information
Phone Number: (203) 912-9224
Address: 1766 Bedford St, Stamford, CT
Guiltec Development LLC Stamford
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guiltec Development LLC has a BuildZoom score of 101, which places them above 88% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Guiltec Development LLC has worked on at least
1.0 project over the past year.
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
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 Guiltec Development LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Legalize unpermitted work performed on patio & terrace areas. construction of pool house by converting the garage and adding a porch to it. retaining walls proposed and legalization of existing (ones). ***4/9/2020-epb and zoning approvals required for air conditioning condenser location***
Valuation:
$75,000
Permit #:
TB-19-1044
Status:
filed
Fee:
$1,020
Permit Type:
Additions - resid...
Building Type:
Single family
Remove and install new kitchen cabinets granite island and appliances. remove and install new floor 250sqft
Valuation:
$40,000
Permit #:
B-22-513
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair tree damage to roof of existing 2 car detached garage
Valuation:
$50,000
Permit #:
BLD-2021-00673
Status:
issued
Fee:
$513
Permit Type:
N/A
Building Type:
N/A
Flood- install new floors, install new kitchen cabinets, repair & replace damaged sheetrock in 3 bathrooms and master bedroom where pipes burst & paint entire interior
Valuation:
$44,000
Permit #:
B-18-232
Status:
complete
Fee:
$762
Permit Type:
Renovation - Resi...
Building Type:
Condo
Kitchen refit. new cabinetry. *wpca pmt. made 12/2/19. see attached
Valuation:
$42,000
Permit #:
B-19-1885
Status:
complete
Fee:
$582
Permit Type:
Alterations - res...
Building Type:
Single family
Renovate and update existing kitchen
Valuation:
$40,000
Permit #:
B-21-1684
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roofing residential
Valuation:
$12,000
Permit #:
B-20-68
Status:
issued
Fee:
$184
Permit Type:
Roofing - residen...
Building Type:
Single family
~ 20 sq 10 boral ( fiber cement) siding
Valuation:
$15,000
Permit #:
B-19-1261
Status:
issued
Fee:
$224
Permit Type:
Siding - residential
Building Type:
Single family
Remove old shingles and re- roof
Valuation:
$25,000
Permit #:
B-19-1662
Status:
issued
Fee:
$357
Permit Type:
Roofing - residen...
Building Type:
Single family
Legitimize existing 15' x 20' open deck and shed.
Valuation:
$10,000
Permit #:
TB-18-1182
Status:
filed
Fee:
$158
Permit Type:
Additions - Resid...
Building Type:
Single Family
Sheetrock basement for storage use
Valuation:
$25,000
Permit #:
B-20-462
Status:
issued
Fee:
$494
Permit Type:
Alterations - com...
Building Type:
Commercial
Raise up existing structure to meet new flood zone requirements. build new addition as per plan & renovate existing house *10/30/14 permit made inactive notice - e-mailed to applicant *1/20/15 permit re-activated *1/20/15 permit cloned from tb-14-608 *11/20/15 reverted to revise scope of work to include finishing attic. departmental approvals needed epb & zoning. add'l cost $22k - bon... see more
Valuation:
$522,000
Permit #:
B-15-150
Status:
issued
Fee:
$6,456
Permit Type:
Additions - Resid...
Building Type:
Single Family
Build new addition to kitchen, new porch & kitchen interior rennovations *11/17/15: reverted for revision of scope of work to omit deck; installing new roof framing & roof replacement. needs health, zoning, and epb department approvals. add'l cost of $10k per pz.
Valuation:
$310,000
Permit #:
B-15-509
Status:
complete
Fee:
$4,135
Permit Type:
Additions - Resid...
Building Type:
Single Family
Finish existing basement extend existing deck this project will also require electrical and plumbing permits. existing hvac system to be used. ***revised to addition structural beams to kitchen area to open floor area. roof work removed fromscope. additional fees paid.approvals from other departments granted.***sr 10/11/19
Valuation:
$115,000
Permit #:
B-19-1310
Status:
issued
Fee:
$2,213
Permit Type:
Alterations - res...
Building Type:
Single family
Build laundry in basement change out toilet & vanity in basement bathroom add gas line to 2 fireplaces and bbq grill add dehumidifier to mechanical room refrigerating unit to wine cellar
Valuation:
$10,000
Permit #:
B-16-2286
Status:
complete
Fee:
$157
Permit Type:
Renovation - Resi...
Building Type:
Single Family
Build 2 new additions over existing porches and small single story addition at rear of house
Valuation:
$200,000
Permit #:
B-16-2133
Status:
complete
Fee:
$2,677
Permit Type:
Additions - Resid...
Building Type:
Single Family
Water damage-cut 2ft of sheetrock around entire 1st floor, install insulation remove damaged oak flooring, replace subfloor and install new oak flooring. inspect all electric on first floor
Valuation:
$69,000
Permit #:
B-14-10
Status:
complete
Fee:
$870
Permit Type:
Alterations - Res...
Building Type:
Single Family
Remove old kitchen & install owners supplied new kitchen. remove carpet & install homeowners new engineered flooring. touch up paint as needed
Valuation:
$20,000
Permit #:
B-14-1789
Status:
complete
Fee:
$350
Permit Type:
Alterations - Res...
Building Type:
Condo
Remove wall between kitchen & dining room install beam install owner supplied kitchen. patch existing sheetrock
Valuation:
$46,000
Permit #:
B-15-140
Status:
issued
Fee:
$588
Permit Type:
Renovation - Resi...
Building Type:
Single Family
Turn 3 dormers into 1 large dormer and add shed dormer at rear of home
Valuation:
$119,900
Permit #:
B-14-1695
Status:
complete
Fee:
$1,496
Permit Type:
Alterations - Res...
Building Type:
Single Family
Guiltec Development LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Guiltec Development LLC License info
Verified License
| License # | NAT-F254677-1 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Guiltec Development LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0012533 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Guiltec Development LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HIC.0623494 |
| Status | Inactive |
| State | Connecticut |
| Type | Home Improvement Contractor |
- According to the Connecticut Department of Consumer Protection, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Guiltec Development LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
45
Permits
- Building permit records show that Guiltec Development LLC has worked on 45 permitted projects.