Updated: Jun 30, 2026
Location and Projects
Address
45 WEST 36 STREET, Manhattan, NY, 10018
Use our bidding system to
request a quote
Richter & Ratner Contract HVAC/Mechanical Contractor
Richter & Ratner Contract, 45 W 36th St, Manhattan, NY (Employees: Abraham Richter, B, and Charles Ratner) holds a Home Improvement Contractor license and 14 other licenses according to the New York license board.
Their BuildZoom score of 111 ranks in the top 4% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Richter & Ratner Contract, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Richter & Ratner Contract Contact Information
Phone Number: (212) 545-0500
Edit
Address: 45 WEST 36 STREET, Manhattan, NY 10018
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Richter & Ratner Contract Manhattan
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Richter & Ratner Contract has a BuildZoom score of 111, which places them above 96% of 77,888 contractors in New York.
Activity
|
6 projects
|
2025 |
|
8 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Richter & Ratner Contract has worked on at least
22.0 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
|
3 projects
|
Commercial Renovations |
|
11 projects
|
Mechanical projects |
|
4 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Richter & Ratner Contract mostly works on
mechanical project
and hvac project
projects.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
8 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
5 projects
|
$500k-$1mil |
|
7 projects
|
$1mil+ |
The typical size of their permits is approximately $310,000. 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.
Richter & Ratner Contract Reviews
5 out of 5 stars, based on
1
review
-
By BrettSeptember 14, 2018Verified Hire
Building Permits by Richter & Ratner Contract
This is a sample of this contractor's permits. Click here to access their complete permit history.
Removal of railings conduits equipment supports and 18 000 sf of roofing. install new roof new railings fall protection infill existing roof penetrations and repair parapets and copings as shown on drawings. no change use egress or occupancy
Valuation:
$2,233,079
Permit #:
M01014091-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.3s: partial int. fitout @1fl (n) & basement including dismanting/installation of non-load bearing walls ceilings floors and finishes. minor work @ cel (n) and sc (n). exterior work at 1fl west elevation including remove of existing marquee
Valuation:
$1,047,650
Permit #:
M01080724-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Int. renovation on existing 1st floor with trenching work & levelling of concrete slab per plans. exterior renovation on existing 1st floor south & east elevations with demolition & replacement of existing windows & partial non bearing exterior walls
Valuation:
$500,000
Permit #:
Q08021603-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.1: partial int. fitout @ n2m & s4 spaces including dismantling/installation of non-load bearing walls ceiling floors finishes. roof re-cover @s4 terrace replace existing windows with glazed doors and existing opaque door with window @ s4
Valuation:
$770,955
Permit #:
M01077016-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.3 n : cut/cap existing duct main serving n bas area. new multi-zone dedicated outdoor air unit w/chilled & hw coils along w/new vavs & ductwork. doas-nc-1 will provide ventilation air to portions of n bas & n1 local 4 pipe fan coil units
Valuation:
$825,277
Permit #:
M01080724-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new multi zone ahu w/chilled hot water coils new vavs and ductwork on a portion of the floor designated n2m. replace perimeter fcu's w/addition of two supplemental chilled and hot water horizontal ducted fcu's on s4
Valuation:
$374,250
Permit #:
M01077016-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing herewith for modification to the existing hvac and associated ducts and piping as per plans. no change to use egress or occupancy
Valuation:
$1,647,000
Permit #:
M00996528-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.2 s6: installation of new chilled and hot water fan coil units to serve spaces. new exhaust fans and ductwork serving arts spaces
Valuation:
$335,060
Permit #:
M01130120-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change of use for buttenwieser hall 2fln dance studio n2m classrooms/offices may center men's locker rooms and n10 offices. change of use for s1 n1 n2m s4 and s6. general construction for buttenwieser space only
Valuation:
$3,499,860
Permit #:
M00695880-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of entire existing roof membrane. replacement of existing skylight above stair shaft with new roof and shaft vent. no change to building bulk & floor area. no change to egress use or occupancy
Valuation:
$322,250
Permit #:
Q00925975-I1-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing herewith interior renovation removal and installation of non load bearing partitions ceilings floors as per plans. no change to use egress or occupancy
Valuation:
$3,938,499
Permit #:
M00996528-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.3 north tower: minor alterations including new slab openings and infills and new openings in non-structural exterior walls @ north tower
Valuation:
$523,825
Permit #:
M01080724-S1-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Provide a new 100% outdoor air unit with split dx cooling hot water heat and energy recovery to serve renovated locker room and restroom spaces. provide new vrf heat pump system to serve auxiliary office spaces. provide new associated ductwork piping
Valuation:
$110,000
Permit #:
B00976418-S1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Proposed pavement extension and general constructionconsisting of site fencing concrete and light poles inconjunction with alt-co application b00617396
Valuation:
$680,340
Permit #:
B01118156-I1-EA
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of hvac system in one-story building used as assembly (a-3). no change to use egress or occupancy under this application
Valuation:
$439,350
Permit #:
B00778446-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Phase 3.3 minor interior demolish work at south wing including demolition of ceilings and above ceiling equipment
Valuation:
$532,000
Permit #:
M01130126-S5-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Herewith filing mechanical scope related to replacing the existing front vestibule as well as adding a door to the rear facade
Valuation:
$735,000
Permit #:
M00956164-S1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Herewith filing fitout to nb(b00772431-i1) mechanical work as per plans. no chang to use egress or occupancy
Valuation:
$1,014,250
Permit #:
B01158482-S1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ms work as per plans filed herewith. no change to use egress or occupancy. replace existing chimney for existing boilers to remain. addition draft inducer and new draft controls
Valuation:
$1,000,000
Permit #:
M00810333-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Removal and installation of interior non-bearing partitions and related finishes as per drawings filed herewith. no change of use egress or occupancy
Valuation:
$4,200,000
Permit #:
B00976418-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
135
BZ Score
$37.3K
Avg Project
-
Projects
License # 028375
New York, NY
122
BZ Score
$99.8K
Avg Project
-
Projects
122
BZ Score
$91K
Avg Project
-
Projects
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Richter & Ratner Contract License info
Verified License
| License # | 1465536-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 Richter & Ratner Contract 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 # | 028903 |
| Status | Active |
| State | New York |
| Type | Superintendent Of Construction |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 001953 |
| Status | Active |
| State | New York |
| Type | Gc Safety Registration, Gc Safety Registration, Gc Safety Registration |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Richter & Ratner Contract at 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 # | H18A38800 |
| Status | Active |
| County | Nassau County |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Richter & Ratner Contract with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0851965-DCA |
| Status | Inactive |
| State | New York |
| Type | Home Improvement Contractor |
- According to the New York 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 Richter & Ratner Contract at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H18A3880000 |
| 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 Richter & Ratner Contract 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 # | 020131 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 022011 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 020464 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 026058 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 021035 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 020218 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 020186 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 022754 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 020238 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 Richter & Ratner Contract at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Harleysville Insurance Co |
Insured
| Workers Comp Provider | Nysif |
326
Permits
- Building permit records show that Richter & Ratner Contract has worked on 326 permitted projects.
Richter & Ratner Contract Employees
AR
Abraham Richter
Sec
B
B
CR
Charles Ratner
Chaiman
Would recommend.