Updated: May 31, 2026
Location and Projects
Address
Mamaroneck, NY, 10543
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Marsella + Knoetgen Architects
Marsella + Knoetgen Architects, Mamaroneck, NY (Owned by: Marsella Frank) holds a Architect license and 2 other licenses according to the Connecticut license board.
Their BuildZoom score of 93 ranks in the top 27% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Marsella + Knoetgen Architects, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Marsella + Knoetgen Architects Services
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Marsella + Knoetgen Architects Contact Information
Phone Number: (914) 381-5198
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Building Permits by Marsella + Knoetgen Architects
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing - alteration type 1 conversion of an existing (10) family residence to a three (3) family. structural work and renovation of partitions doors flooring ceiling windows and finishes. installation of hvac equipment along w/ductwork fire dampers and related piping. remove and installation of new plumbing fixtures as shown on drawings filed herewith
Valuation:
$400,000
Permit #:
104154442-01-PL
Status:
issued
Fee:
$4,209
Permit Type:
N/A
Building Type:
C0-walk-up apartment
Alteration type 1 - conversion of an existing (10) family residence to a three (3) family. structural work and renovation of partitions doors flooring ceiling windows and finishes. installation of hvac equipment along w/ductwork fire dampers and related piping. remove and installation of new plumbing fixtures as shown on drawings filed herewith
Valuation:
$400,000
Permit #:
104154442-01-AL
Status:
issued
Fee:
$4,209
Permit Type:
N/A
Building Type:
C0-walk-up apartment
Alteration type 2 - gc filing for interior renovations to kitchen and bathroom in apartment. minor modification to mechanical system. modification to the existing plumbing system as shown ondrawings filed herewith. no change in use egress or occupancy
Valuation:
$100,000
Permit #:
104924593-01-EW-OT
Status:
issued
Fee:
$1,119
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - mech/hvac filing for interior renovations to kitchen and bathroom in apartment. minor modification to mechanical system. modification to the existing plumbing system as shown ondrawings filed herewith. no change in use egress or occupancy
Valuation:
$100,000
Permit #:
104924593-01-EW-MH
Status:
issued
Fee:
$1,119
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 herewith file plans to renovate existing single family residence. work to include removal of interior non-load bearing partitions new partitions and finishes and plumbing. no change to use egress or occupancy
Valuation:
$42,497
Permit #:
420190126-01-PL
Status:
issued
Fee:
$296
Permit Type:
N/A
Building Type:
A1-1 family dwelling
Alteration type 2 - general const. filing for the interior and exterior renovation of an existing two-story church as per plans. no change in use egress or occupancy
Valuation:
$345,000
Permit #:
200730682-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
M1-church synagogue
Alteration type 2 - gen construct filing for the removal and installation of non-loadbearing partitions and related general construction and plumbing work as per plans. no change in use egress or occupancy
Valuation:
$120,000
Permit #:
103115166-01-EW-OT
Status:
issued
Fee:
$1,325
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 filing for the removal and installation of non-loadbearing partitions and related general construction and plumbing work as per plans. no change in use egress or occupancy
Valuation:
$120,000
Permit #:
103115166-01-PL
Status:
issued
Fee:
$1,325
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - gen. constr herewith file plans to renovate existing single family residence. work to include removal of interior non-load bearing partitions new partitions and finishes and plumbing. no change to use egress or occupancy
Valuation:
$42,497
Permit #:
420190126-01-EW-OT
Status:
issued
Fee:
$296
Permit Type:
N/A
Building Type:
A1-1 family dwelling
Alteration type 2 - gen. const. filing for the renovation and combination of apartments 15c and 15d as shown on drawings filed herewith.no change on use egress or occupancy
Valuation:
$150,000
Permit #:
104743379-01-EW-OT
Status:
issued
Fee:
$1,634
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 filing for the renovation and combination of apartments 15c and 15d as shown on drawings filed herewith.no change on use egress or occupancy
Valuation:
$150,000
Permit #:
104743379-01-PL
Status:
issued
Fee:
$1,634
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - architectural renovation of existing retail space at cellar 1st 2nd and roof. architectural work. no change in use occupancy or egress
Valuation:
$125,000
Permit #:
120689193-01-EW-OT
Status:
issued
Fee:
$1,376
Permit Type:
N/A
Building Type:
K2-store building
Combination of apartment 10a & 10j. no change to use occupancy or egress
Valuation:
$65,000
Permit #:
103148755-01-EW-OT
Status:
issued
Fee:
$758
Permit Type:
N/A
Building Type:
N/A
Alteration type 3 - gen. constr. file to legalize aluminum screen patio/shed to clear ecb violation #35011456j and dob #010814cn03mj04.no change in use occupancy or egress
Valuation:
$2,500
Permit #:
520189199-01-AL
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
A2-1 family dwelling
Alteration type 2 - gen.constructn. filing for minor apartment renovations as shown on drawings filed herewith. no change in use egress or occupancy
Valuation:
$120,000
Permit #:
104511850-01-EW-OT
Status:
issued
Fee:
$1,325
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 filing to combine apartment 20e & 20f and related general construction and plumbing work as per plans. no change in use egress or occupancy
Valuation:
$65,000
Permit #:
103408787-01-PL
Status:
issued
Fee:
$758
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 filing for minor apartment renovations as shown on drawings filed herewith. no change in use egress or occupancy
Valuation:
$120,000
Permit #:
104511850-01-PL
Status:
issued
Fee:
$1,325
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - gc filing to combine apartment 20e & 20f and related general construction and plumbing work as per plans. no change in use egress or occupancy
Valuation:
$65,000
Permit #:
103408787-01-EW-OT
Status:
issued
Fee:
$758
Permit Type:
N/A
Building Type:
D4-elevator apart...
Plumbing - alteration type 2 filing for renovations to apartment 3 including partition changes ans new plumbing fixtures as per plans. no change in use egress or occupancy
Valuation:
$40,000
Permit #:
103422958-01-PL
Status:
issued
Fee:
$501
Permit Type:
N/A
Building Type:
C6-walk-up apartment
Alteration type 2 - gc filing for renovations to apartment 3 including partition changes ans new plumbing fixtures as per plans. no change in use egress or occupancy
Valuation:
$40,000
Permit #:
103422958-01-EW-OT
Status:
issued
Fee:
$501
Permit Type:
N/A
Building Type:
C6-walk-up apartment
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Verified License
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Marsella + Knoetgen Architects License info
Verified License
| License # | ARI.0014332 |
| Status | Active |
| State | Connecticut |
| Type | Architect |
| Date Issued | 08-01-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Marsella + Knoetgen Architects at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 025864 |
| Status | Active |
| State | New York |
| Type | Architect |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Marsella + Knoetgen Architects at the New York Office of the Professions.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 027681 |
| Status | Active |
| State | New York |
| Type | Architect |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Marsella + Knoetgen Architects at the New York Office of the Professions.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
26
Permits
- Building permit records show that Marsella + Knoetgen Architects has worked on 26 permitted projects.
Marsella + Knoetgen Architects Employees
FM
Frank Marsella
KM
Knoetgen John Michael
Owner
MF
Marsella Frank
Owner
MK
Mr. John Michael Knoetgen