Updated: May 25, 2026
Location and Projects
Address
1597 WARREN AVE, Downers Grove, IL, 60515
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Green Grass Landscape Contractor
Green Grass Inc, 1597 Warren Ave, Downers Grove, IL (Owned by: Jeff Ai Ani) holds a Landscaper license and 7 other licenses according to the Hoffman Estates license board.
Their BuildZoom score of 103 ranks in the top 10% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Green Grass Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Green Grass Inc Services
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Green Grass Inc Contact Information
Phone Number: (331) 233-6022
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Address: 1597 WARREN AVE, Downers Grove, IL 60515
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Green Grass Inc Downers Grove
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Green Grass Inc has a BuildZoom score of 103, which places them above 90% of 65,686 contractors in Illinois.
Activity
|
1 project
|
2025 |
|
7 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Green Grass Inc has worked on at least
20.0 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
|
12 projects
|
Patios |
|
4 projects
|
Retaining walls projects |
Analyzing permits over the last 4 years shows that Green Grass Inc mostly works on
patio
and retaining walls project
projects.
Pricing
|
1 project
|
< $5k |
|
7 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
The typical size of their permits is approximately $25,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove existing patio. istall new unilock patio w/gas firepit (unilock) seatwall (unilock) built in bbq (unilock) and new concrete step on existing stoop
Valuation:
$18,000
Permit #:
21-ACC-0020
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permeable paver patio stoop step retaining wall built-in bbq bar fireplace pavilion
Valuation:
$75,000
Permit #:
21-ACC-0060
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove 314sf patio and install new 808sf patio. install a full as fire feature. install new paver stoop
Valuation:
$28,720
Permit #:
19-ACC-0053
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rear permeable paver patio seatwall retaining wall piers pergola arbor built in bbq
Valuation:
$40,000
Permit #:
21-ACC-0021
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permeable paver patio seatwall retaining wall steps built-in bbq fire pit deck
Valuation:
$38,000
Permit #:
22-ACC-0030
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove granite chips in permeable patio voids and install polymetric sand- expand paver patio
Valuation:
$10,000
Permit #:
21-PAT-0172
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing failing timber retaining walls that are locatedacross multiple properties. replace with concrete block wall placed within 1712 alamance pl property lines
Valuation:
$25,000
Permit #:
19-STM-0037
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permeable paver patio new deck steps retaining wall
Valuation:
$15,000
Permit #:
22-DCK-0046
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing deck and patio- replace w paver patio and steps on compacted gravel base ( concrete slab& tube footing for steps)
Valuation:
$4,000
Permit #:
18-PAT-0018
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing sidewalk leading to the e parking lot on the s side of building 1315
Valuation:
$6,681
Permit #:
20-PAT-0136
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Front carriage walk rear patio fire pit retaining seat wall stoop steps fence
Valuation:
$10,000
Permit #:
21-ACC-0002
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove impervious patio replace iwth permeable patio. permeable paver driveway widening retaining wall seat wall non-wood burining full gas fire pit
Valuation:
$20,000
Permit #:
20-ACC-0017
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove shed paver walk addition paver patio hot tub gravel patio and firepit
Valuation:
$10,000
Permit #:
22-PHT-0010
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Paver patio seatwall steps curb and outcropping wall
Valuation:
$60,000
Permit #:
PB22-0059
Status:
final
Fee:
$625
Permit Type:
Alteration
Building Type:
N/A
Paver patio gas firepit (concrete block) stoop and steps pergola
Valuation:
$30,000
Permit #:
20-ACC-0023
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing patio. install new patio sitting walls bbq center arbor and pier
Valuation:
N/A
Permit #:
19-ACC-0069
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Creating firepit area with bluestone patio and masonry seat wall
Valuation:
$30,000
Permit #:
18-ACC-0026
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove exisiting front steps and walk- install new masonry steps and walk- install new firepit and patio - remove exisiting patio and plant
Valuation:
$16,800
Permit #:
20-PAT-0126
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Concrete sport court concrete parking spot flagstone patio block wall/step paver removal paver re-lay
Valuation:
N/A
Permit #:
18-PAT-0091
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permeable paver patio seatwall steps piers fire feature pavers glued to existing stoop
Valuation:
$15,000
Permit #:
21-ACC-0046
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Green Grass Inc License info
Verified License
| License # | 19095 |
| Status | Active |
| Hoffman Estates | |
| Type | Landscaper |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Green Grass Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR0003085 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Landscaping |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Grass Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR4062 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of June, 2015. Check the current license status of Green Grass Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2012-CR4062 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of June, 2015. Check the current license status of Green Grass Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 32485 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Landscaper |
- According to the Village of Hoffman Estates, 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 Green Grass Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 33399 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Landscaper |
- According to the Village of Hoffman Estates, 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 Green Grass Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR4062 |
| Status | Inactive |
| County | Dupage County |
| Type | Landscaping |
- According to the County of Dupage Contractor Registration Information, 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 Green Grass Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR4062 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Landscaping |
- According to the County of Dupage Contractor Registration Information, 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 Green Grass Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
244
Permits
- Building permit records show that Green Grass Inc has worked on 244 permitted projects.
Green Grass Inc Employees
JA
Jeff Ai Ani
Owner
SH
Scott Hutchings
Owner