Updated: Mar 08, 2026
Location and Projects
Address
4111 18TH AVENUE, Brooklyn, NY, 11218
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Alef Construction Inc
Alef Construction Inc brings over three decades of experience to residential and commercial projects throughout Brooklyn, NY. Specializing in both interior and exterior renovations, the company handles a range of work including kitchen and bathroom remodeling, full-home renovations, and building additions. Alef Construction also manages new construction for custom homes and investment properties in neighborhoods such as Park Slope, Williamsburg, and Brooklyn Heights. Serving homeowners, developers, and property managers, Alef Construction focuses on delivering solutions tailored to Brooklyn’s historic and modern building styles. The team is experienced in overcoming the logistical challenges unique to New York City construction, such as working within landmark districts and confined urban lots. Their portfolio includes brownstone restorations and sleek, contemporary interiors, with a clear emphasis on functionality and value. With 36 years in the industry, Alef Construction supports clients through every phase, from planning and permitting to final finishes.
Alef Construction Inc Services
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Alef Construction Inc Contact Information
Phone Number: (718) 871-1318
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Address: 4111 18TH AVENUE, Brooklyn, NY 11218
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Alef Construction Inc Brooklyn
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alef Construction Inc has a BuildZoom score of 108, which places them above 95% of 77,888 contractors in New York.
Activity
|
16 projects
|
2025 |
|
7 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Alef Construction Inc has worked on at least
32.0 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
|
7 projects
|
Fences |
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Alef Construction Inc mostly works on
fences
and new construction
projects.
Pricing
|
8 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $27,455. 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 Alef Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Application filed herewith to propose new vertical and horizontal enlargement to existing one story commercial building. proposing semi-industrial (jewelry manufacturing) at first floor community facility (library) at second and third floor
Valuation:
$3,590,522
Permit #:
B00727811-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Soe work filed in conj with nb #b00940863-i1 fornew 6-story concrete building with cellar. support of excavation to include shoringand bracing with drilled soldier piles and lagging raker heelblocks slope of excavation steel bracing and underpinning
Valuation:
N/A
Permit #:
B00940863-S7-SE
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adding a new story to an existing 2 story 4 family dwelling. work as per plan
Valuation:
$808,361
Permit #:
B01029312-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Underpinning work filed in conjunction with nb application no.b00963009-i1 for new7-story residential concrete building. underpinning to include shoring and bracingwith lagging raker slope of excavation and underpinning
Valuation:
N/A
Permit #:
B00963009-S7-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Underpinning work filed in conjunction with nb application no. # for new 6-storyconcrete residential building. work to include underpinning of adjacentneighbor buildings at 5419 15 avenue & 1515 55 street
Valuation:
N/A
Permit #:
B00940863-S6-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Support of excavation work filed in conjunction with nb application no.# b00963009-i1for new 7 story concrete building. support of excavation to include shoring andbracing with drilled soldier piles and lagging raker heelblock and waler bracing and slo
Valuation:
N/A
Permit #:
B00963009-S6-SE
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing extension to existing 3 story building to 4 story building with penthouse
Valuation:
$1,400,217
Permit #:
B01113011-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Foundation and structural filed in conjunction with alter i s08040396
Valuation:
$328,450
Permit #:
S00893393-I1-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Foundation work filed in conjunction with nb application no.#b00963009-i1 for new7-story concrete building. foundation work includes mat foundation spread footing foundation wall wall footing and tie beam
Valuation:
N/A
Permit #:
B00963009-S5-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing foundation subsequent to primary application #b00940863-i1 for new 7-storyconcrete building foundation work and tie beams
Valuation:
N/A
Permit #:
B00940863-S8-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing for fence of propose new building withcommunity facility on first and second floors andresidential units above.all as per the nyc code & zoning rules and regulations
Valuation:
N/A
Permit #:
B00963009-S1-FN
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3 story horizontal & vertical enlargement on existing foundation
Valuation:
$1,158,656
Permit #:
B01233244-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Application filed herewith to propose new building with community facility use on the first and second floors and residential use from third to sixth floors
Valuation:
N/A
Permit #:
B00940863-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Window installation as per plan and remove ecb violation 39126785x. no change in use egress or occupancy
Valuation:
$61,600
Permit #:
B01134749-I1-GC-CX
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior removal work only. no change of bulk egress or use
Valuation:
$241,740
Permit #:
B01036650-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing foundation subsequent to primary application #b00727811-i1 for 2-story steeladdition to 1-story existing building
Valuation:
$1,000
Permit #:
B00727811-S5-FO
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 required to meet new building requirements (28-101.4.5) filing for interior renovations and horizontal extension to cellar, first and second floor with a vertical addition to third floor
Valuation:
$472,966
Permit #:
321912944-01-AL
Status:
issued
Fee:
$1,317
Permit Type:
N/A
Building Type:
N/A
New 7-story concrete building in conjunction with nb application no. #b00940863-i1
Valuation:
N/A
Permit #:
B00940863-S5-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2-story steel addition to 1-story existing building. in conjunction with alter 1 application no. #b00727811-i1
Valuation:
$1,000
Permit #:
B00727811-S3-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing for fence application installation of 8'-0 plywood construction fence
Valuation:
$160
Permit #:
B01113011-S1-FN
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Alef Construction Inc License info
Verified License
| License # | 026986 |
| Status | Active |
| State | New York |
| Type | Superintendent Of Construction |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Alef Construction Inc 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 # | 600310 |
| Status | Active |
| State | New York |
| Type | General Contractor Registered, General Contractor Registered, General Contractor Registered |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Alef Construction Inc at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Pcic |
Insured
| Workers Comp Provider | New York State Ins. Fund |
81
Permits
- Building permit records show that Alef Construction Inc has worked on 81 permitted projects.
Alef Construction Inc Employees
IK
Israel Kamionka
Owner