Updated: May 29, 2026
Location and Projects
Address
149 S BARRINGTON AVENUE SUITE 671, Brentwood, CA, 90049
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The Gramercy Group Design And Build Construction
Based in Brentwood, The Gramercy Group Design And Build Inc has nearly two decades of experience serving residential clients throughout Los Angeles and surrounding areas. The firm specializes in new home construction, major home remodels, and custom renovations, with a portfolio that includes both contemporary and traditional architecture. From foundation to finish, the company manages every phase of the building process, working closely with clients to realize custom kitchens, luxury bathrooms, and whole-house transformations. The Gramercy Group Design And Build Inc also provides design-build services, streamlining communication and efficiency by integrating design and construction under a single contract. Projects have included the construction of accessory dwelling units (ADUs), additions, and outdoor living spaces. The company’s work reflects an expertise in maximizing property value and functionality for homeowners in Brentwood and neighboring communities.
The Gramercy Group Design And Build Inc Services
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The Gramercy Group Design And Build Inc Contact Information
Phone Number: (310) 869-7376
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Address: 149 S BARRINGTON AVENUE SUITE 671, Brentwood, CA 90049
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The Gramercy Group Design And Build Inc Brentwood
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
The Gramercy Group Design And Build Inc has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
9 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that The Gramercy Group Design And Build Inc has worked on at least
19.0 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
|
6 projects
|
New Constructions |
|
4 projects
|
Home Additions |
|
3 projects
|
Multi-room remodels |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that The Gramercy Group Design And Build Inc mostly works on
new construction
and home addition
projects.
Pricing
|
4 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
The typical size of their permits is approximately $20,000. 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.
The Gramercy Group Design And Build Inc Reviews
5 out of 5 stars, based on
1
review
-
By Drew H.March 9, 2023
Building Permits by The Gramercy Group Design And Build Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
E-plan. addition and remodel to existing 2-story single family dwelling with (e) porte-cochere to remain addition expands kitchen family room and guest bedroom on first floor and includes new master bathroom laundry and balcony on second floor
Valuation:
$145,000
Permit #:
25014-10000-00335
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New addition to existing single family dwelling with attached garage. new deck at the rear of the building. remove and replace windows and install new windows. interior remodel of existing single family dwelling
Valuation:
$400,000
Permit #:
19014-10000-07208
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan addition 30'9"x 13 two stories addition to and convert existing 18'1-1/2 x 20'1-1/2 detached garage to accessory dwelling unit as per lamc 12.22.a.33(c) and (d) all work per engineering
Valuation:
$85,000
Permit #:
22010-10000-04308
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace existing roofing material with spanish clay tiles proposed new shear wall at 2nd floor replace existing windows and exterior doors (same size) replace existing kitchen and bathroom finishes plumbing and electrical fixtures and cabinets - fixture locations to remain the same. replace existing floor finishes throughout
Valuation:
$45,500
Permit #:
24016-10000-16934
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 19014 - 10000 - 07208. repair and replace small portion of the existing roof members. revise framing and foundation plans along with details due to site conditions and owners requests
Valuation:
$25,000
Permit #:
19014-10002-07208
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. construction of a detached accessory dwelling unit at the rear yard of the property per state law lamc12.22a.33(b)(6)
Valuation:
$280,450
Permit #:
22010-20000-00829
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Major remodel and 1 & 2-story addition to (e) 2-story single family dwelling w attach. 2-car garage
Valuation:
$750,000
Permit #:
19014-30000-05484
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1 kitchen/bathroom (3 ) remodel for residential buildings (no structural changes)
Valuation:
$20,000
Permit #:
25016-20000-18254
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 20014-10000-04836 to convert the existing mechanical room at the garage into a new laundry room and addition (3) windows per engineer design
Valuation:
$10,000
Permit #:
20014-20005-04836
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 64'4"x37'11-1/2 2-story single family dwelling with basement and attached garage. nfpa 13r fire sprinklers req'd throughout
Valuation:
$385,000
Permit #:
20010-20000-01612
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
5 bathroom(s).bathroom remodel for residential buildings (no structural changes). kitchen remodel for residential buildings (no structural changes)
Valuation:
$1,002
Permit #:
24016-90000-33587
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 20014-10002-04836 to revise setback of fireplace on site plan and addition foundation below the fireplace. all work per eng
Valuation:
$501
Permit #:
20014-20003-04836
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to detached garage and convert to adu
Valuation:
$179,200
Permit #:
21010-10000-06597
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bathroom and kitchen remodel
Valuation:
N/A
Permit #:
25041-90000-27783
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bathroom and kitchen remodel
Valuation:
N/A
Permit #:
25042-90000-11243
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Addition and remodel of existing 2-story single family dwelling
Valuation:
$105,000
Permit #:
21014-10000-02026
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 20010-20000-01612 to revise the basement layout framing and foundation plans. see comments
Valuation:
$20,000
Permit #:
20010-20002-01612
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit 20014-10000-04836 to recheck lost plan approved under 20014-10001-04836. revise structural inventory
Valuation:
$501
Permit #:
20014-10002-04836
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan new detached 1-story accessory dwelling unit per ca govt. code 65852.2(e)
Valuation:
$373,516
Permit #:
22010-10000-01544
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New detached adu per ca govt. code 65852.2 (e)(1)(b)
Valuation:
$55,000
Permit #:
21010-10000-02046
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Projects
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
The Gramercy Group Design And Build Inc License info
Verified License
| License # | 943331 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for The Gramercy Group Design And Build Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
63
Permits
- Building permit records show that The Gramercy Group Design And Build Inc has worked on 63 permitted projects.
The Gramercy Group Design And Build Inc Employees
CT
Camille Diane Tennyson
Officer
DS
Darryl Michael Seif
Rmo / Ceo / Pres
I have worked with the Gramercy team on several ADUs over the last year, and I couldn't be more pleased with the experience. From start to finish, they were professional and easy to work with. The team was reliable and the quality of workmanship was top-notch. Darryl is friendly, knowledgable, and provides an excellent experience for all of his clients. I highly recommend Darryl and his team for anyone looking to build an ADU or any other construction project.