Updated: Apr 28, 2026
Location and Projects
Address
405 51ST ST, Brooklyn, NY, 11220
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Rock & Hammer Construction Corp
Serving Brooklyn and the surrounding New York City area, Rock & Hammer Construction Corp brings seven years of experience to residential and commercial building projects. The company specializes in new construction, renovations, and remodeling for townhomes, brownstones, and apartments throughout neighborhoods such as Park Slope, Williamsburg, and Carroll Gardens. Rock & Hammer Construction Corp manages all phases of a project, from demolition and structural framing to interior finishes and occupancy. The team is experienced in kitchen and bathroom remodels, custom carpentry, roofing, and masonry work. The company serves property owners, architects, and developers seeking expertise in both restoration of historic buildings and modern construction methods. Rock & Hammer Construction Corp emphasizes clear project timelines and coordination with architects and clients to ensure projects remain on schedule and meet New York City building standards.
Rock & Hammer Construction Corp Services
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Rock & Hammer Construction Corp Contact Information
Phone Number: (718) 593-1683
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Address: 405 51ST ST, Brooklyn, NY 11220
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Rock & Hammer Construction Corp Brooklyn
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Rock & Hammer Construction Corp has a BuildZoom score of 95, which places them above 78% of 77,888 contractors in New York.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Rock & Hammer Construction Corp has worked on at least
6.0 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.
Pricing
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $30,000. 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.
Building Permits by Rock & Hammer Construction Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Converting an existing 2 family into a one family house. interior renovation to all floors
Valuation:
$250,000
Permit #:
B00909625-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propose interior renovation at partial 1st floor existing residential building with minor partition work and finish work as per plans. no change in use egress or occupancy
Valuation:
$18,400
Permit #:
B01047499-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
File to address dob violation #39104870n 39104868y 39104869x with interior demolition @cellar & attic and finish work as per plans. restore back to legal condition. no change in use egress and occupancy
Valuation:
$60,000
Permit #:
B01266273-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propose interior renovation @ partial 3rd floor apt#6 with partition work and floor finish as per plan. no change in use egress or occupancy
Valuation:
$30,000
Permit #:
B00984981-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This work consists of a single-story horizontal addition at rear of existing building
Valuation:
$15,000
Permit #:
B00940184-I1-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate kitchen general cosmetic renovation
Valuation:
$20,000
Permit #:
B00831728-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propose renovation at cellar of existing 2 family building. work finish as per plan. no change in use egress or occupancy
Valuation:
$5,000
Permit #:
S00528157-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propose interior renovation with minor partition and floor finish @ 2nd fl as per plans. no change in use egress or occupancy
Valuation:
$36,000
Permit #:
B00678407-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Proposed interior renovation on partial 1st floor unit 1fw with minor partition work and finish work as per plan. no change in use egress or occupancy
Valuation:
$12,000
Permit #:
M00643484-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install temporary construction fence as per plan. no change in use egress or occupancy
Valuation:
$3,000
Permit #:
S00379275-I1-FN
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
540183941-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321946613-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321946613-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
540181765-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
322017036-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
540183941-02-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
540181765-02-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
340681596-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Rock & Hammer Construction Corp Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Rock & Hammer Construction Corp License info
Verified License
| License # | 2096650-DCA |
| Status | Active |
| State | New York |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Rock & Hammer Construction Corp 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 # | 618904 |
| Status | Active |
| State | New York |
| Type | General Contractor Registered, General Contractor Registered, General Contractor Registered |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for Rock & Hammer Construction Corp at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Insured
| Insurer | Preferred Contractors Ins |
Insured
| Workers Comp Provider | Nysif |
12
Permits
- Building permit records show that Rock & Hammer Construction Corp has worked on 12 permitted projects.