USBusinessLookup.com
Menu

LLC · Darien, CT

DD12, LLC

LLC in Darien, Connecticut · Document #3050175 · Active

Record reference date: October 18, 2026

Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.

About this record

DD12, LLC is an active Connecticut limited liability company filed on August 7, 2024 (document 3050175). Its registered agent is MARK SANK.

Registration details

Status
ActiveRecord reference date: October 18, 2026
Entity type
Limited Liability Company
Filed
August 7, 2024Reported filing date
Document number
3050175
Registration jurisdiction
Connecticut
Principal city + ZIP
Darien, CT 06820-2826
Registered agent
MARK SANK
Industry (NAICS)
Lessors of Residential Buildings and Dwellings (531110) · null
Address
220 Mansfield Ave, Darien, CT, 06820-2826

Registered agent and officers

Names and roles are reported on filings; matching names do not establish identity or ownership.

Registered agent
MARK SANK
Principal
EERTMANS DE SAMAME, TRUSTEE
Principal
EDUARDO SAMAME, TRUSTEE

What this status means / annual report due date

Connecticut reports an active registration. This does not by itself establish good standing, licensing, ownership or that the business is currently trading.

Connecticut LLC annual reports are filed January 1 through March 31, starting in the year after registration. Other entity types can have different reporting schedules.

Additional business details

View historical details and available fields

Historical values may differ from the registration summary.

Record reference date: 2026-11-02

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-11-02 00:11:09.7066667

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-24

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-24 00:10:50.2600000

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-23

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-23 00:10:59.4666667

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-22

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-22 00:11:15.7300000

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-21

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-21 00:11:13.2400000

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-20

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-20 00:11:11.9900000

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Record reference date: 2026-10-18

Directory details

Names

Legal
DD12, LLC

Entity

Type
Limited liability company

Registration

Status
Active
Number
3050175
Citizenship
Domestic
Home Country
US
Formation Place
Connecticut
Home Jurisdiction
CT

Dates

Annual Report Due
2027-03-31
Registration
2024-08-07

Addresses

Business · Street 1
220 Mansfield Ave
Business · City
Darien
Business · Country
US
Business · Postal Code
06820-2826
Business · Region
CT
Mailing · Text
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

Contacts

Business Email
mark@marksank.com

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Industry

Naics Code
Lessors of Residential Buildings and Dwellings (531110)

Additional reported values

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-18 00:11:33.9233333

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Download directory record (JSON)

All retained directory fields

Other reported details

Id
15341722
Slug
dd12-llc-3050175
Entity type
Limited Liability Company
Entity class
llc
Is foreign
0
Registry
CT
Doc number
3050175
Filed on
2024-08-07
Status
Active
Is active
1
Domicile
CT
Status known
1
Observed at
2026-10-18T19:49:17.610236+00:00

Addresses and locations

State
CT
City slug
darien
Address
220 Mansfield Ave, Darien, CT, 06820-2826
Zip
06820-2826
Location state
CT

Names and reported roles

Name
DD12, LLC
City name
Darien

Industry and classification

Naics code
Lessors of Residential Buildings and Dwellings (531110)

Additional Connecticut registry details

Linked through the registry’s business ID. Agents and principals are reported roles and do not establish beneficial ownership. Contact and residence addresses are labeled as reported.

Record reference date: 2026-10-18.

Registered and alternate business names

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Business names

Registered name
DD12, LLC

Complete business master fields

Other reported details

Id
0018y00000CST0LAAX
Business Type
LLC
Status
Active
Account Number
3050175
Annual Report Due Date
03/31/2027
Citizenship
Domestic
Date Registration
08/07/2024
Formation Place
Connecticut
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
CREATE DT
2026-10-18 00:11:33.9233333

Names and reported roles

Name
DD12, LLC

Addresses and locations

Business Street
220 Mansfield Ave
Business City
Darien
Business Country
United States
Business ZIP
06820-2826
Business State
CT
Country Formation
United States
State or Territory Formation
Connecticut

Mailing information

Business Email Address
mark@marksank.com
Mailing Address
220 Mansfield Ave , ,Darien ,CT ,United States ,06820-2826

IRS reported fields and codes

Organization is LGBTQI Owned
false

Industry and classification

NAICS Code
Lessors of Residential Buildings and Dwellings (531110)

Registered agents (1)

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Registered agents

Registered agent
MARK SANKFind records reporting this name →

Parsed registry details

Parties

Reported · Source Type
Individual
Reported · Name
MARK SANK
Reported · Given Name
MARK
Reported · Family Name
SANK

Contacts

Agent Phone
2039525661
Agent Email
mark@marksank.com

Addresses

Business · Text
666 Glenbrook Rd, Stamford, CT, 06906-1439, United States
Business · Street 1
666 Glenbrook Rd
Business · City
Stamford
Business · Region
CT
Business · Postal Code
06906-1439
Business · Country
US
Mailing · Text
666 Glenbrook Rd, Stamford, CT, 06906-1439, United States
Mailing · Street 1
666 Glenbrook Rd
Mailing · City
Stamford
Mailing · Postal Code
06906-1439
Mailing · Region
CT
Mailing · Country
US
Residence · Street 2
666 Glenbrook Rd
Residence · City
Stamford
Residence · Region
CT
Residence · Postal Code
06906-1439
Residence · Country
US

MARK SANK

Other reported details

Business ID
0018y00000CST0LAAX
Reported type
Individual
Record timestamp
2026-10-18 00:29:49.8700000

Names and reported roles

Reported name
MARK SANK
Firstname
MARK
Lastname
SANK

Registered agent information

Registered agent phone
2039525661
Registered agent email
mark@marksank.com

Addresses and locations

Business address
666 Glenbrook Rd, Stamford, CT, 06906-1439, United States
Business street address 1
666 Glenbrook Rd
Business city
Stamford
Business state
CT
Business zip code
06906-1439
Business country
United States

Mailing information

Mailing address
666 Glenbrook Rd, Stamford, CT, 06906-1439, United States
Mailing street address 1
666 Glenbrook Rd
Mailing city
Stamford
Mailing zip code
06906-1439
Mailing state
CT
Mailing country
United States

Reported residence addresses

Residence street address 1
666 Glenbrook Rd
Residence city
Stamford
Residence state
CT
Residence zip code
06906-1439
Residence country
United States

Showing 1–1 of 1.

Principals (2)

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Principals and members

Principal
EERTMANS DE SAMAME, TRUSTEEFind records reporting this name →

Parsed registry details

Parties

Reported · Name
EERTMANS DE SAMAME, TRUSTEE
Reported · Given Name
EERTMANS
Reported · Family Name
DE SAMAME, TRUSTEE

Addresses

Residence · Text
220 Mansfield Ave, Darien, CT, 06820-2826, United States
Residence · Street 2
220 Mansfield Ave
Residence · City
Darien
Residence · Region
CT
Residence · Postal Code
06820-2826
Residence · Country
US

EERTMANS DE SAMAME, TRUSTEE

Other reported details

Business ID
0018y00000CST0LAAX
Record timestamp
2026-10-18 00:39:18.5266667

Names and reported roles

Reported name
EERTMANS DE SAMAME, TRUSTEE
Firstname
EERTMANS
Lastname
DE SAMAME, TRUSTEE

Reported residence addresses

Residence address
220 Mansfield Ave, Darien, CT, 06820-2826, United States
Residence street address 1
220 Mansfield Ave
Residence city
Darien
Residence state
CT
Residence zip code
06820-2826
Residence country
United States

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Principals and members

Principal
EDUARDO SAMAME, TRUSTEEFind records reporting this name →

Parsed registry details

Parties

Reported · Name
EDUARDO SAMAME, TRUSTEE
Reported · Given Name
EDUARDO
Reported · Family Name
SAMAME, TRUSTEE

Addresses

Residence · Text
220 Mansfield Ave, Darien, CT, 06820-2826, United States
Residence · Street 2
220 Mansfield Ave
Residence · City
Darien
Residence · Region
CT
Residence · Postal Code
06820-2826
Residence · Country
US

EDUARDO SAMAME, TRUSTEE

Other reported details

Business ID
0018y00000CST0LAAX
Record timestamp
2026-10-18 00:39:18.5266667

Names and reported roles

Reported name
EDUARDO SAMAME, TRUSTEE
Firstname
EDUARDO
Lastname
SAMAME, TRUSTEE

Reported residence addresses

Residence address
220 Mansfield Ave, Darien, CT, 06820-2826, United States
Residence street address 1
220 Mansfield Ave
Residence city
Darien
Residence state
CT
Residence zip code
06820-2826
Residence country
United States

Showing 1–2 of 2.

Filing history (3)

Parsed registry details

Filing

Name
BF-0013664441
Source Type
Annual Report
Type
Annual Report
Physical Filing
No

Dates

Filing
2026-02-02

BF-0013664441 · 2026-02-02

Other reported details

Business ID
0018y00000CST0LAAX
Filing date
2026-02-02T00:00:00.000
Reported type
Annual Report
Filing type
Annual Report
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0013664441

Parsed registry details

Filing

Name
BF-0012884179
Source Type
Annual Report
Type
Annual Report
Physical Filing
No

Dates

Filing
2025-03-12

BF-0012884179 · 2025-03-12

Other reported details

Business ID
0018y00000CST0LAAX
Filing date
2025-03-12T00:00:00.000
Reported type
Annual Report
Filing type
Annual Report
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0012884179

Parsed registry details

Filing

Name
BF-0012719702
Source Type
Business Formation
Type
Certificate of Organization
Physical Filing
No

Dates

Filing
2024-08-07

BF-0012719702 · 2024-08-07

Other reported details

Business ID
0018y00000CST0LAAX
Filing date
2024-08-07T00:00:00.000
Reported type
Business Formation
Filing type
Certificate of Organization
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0012719702

Showing 1–3 of 3.

Correct or remove this record.

Filed in Darien around the same time

All Darien filings →
BusinessTypeFiledStatus
GrayMatter Advisory LLCActiveLLCAug 7, 2024Active
TFC FITNESS LLCActiveLLCAug 7, 2024Active
Hamilton Avenue Industrial, LLCActiveLLCAug 7, 2024Active
Morelli and Co., LLCActiveLLCAug 5, 2024Active
Yika Media LLCActiveLLCAug 5, 2024Active
JHTimes Marine LLCActiveLLCAug 5, 2024Active
WMEWS018 LLCActiveLLCAug 2, 2024Active
CT VIO Holdings I LLCActiveLLCAug 1, 2024Active