LLC · Hartofrd, CT
MECHANICAL DESIGN SERVICES, LLC
LLC in Hartofrd, Connecticut · Document #0618347 · Forfeited
Record reference date: October 20, 2026
Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.
About this record
MECHANICAL DESIGN SERVICES, LLC is a forfeited Connecticut limited liability company filed on April 12, 1999 (document 0618347). Its registered agent is SEBASTIAN LAROSA.
Registration details
- Status
- ForfeitedRecord reference date: October 20, 2026
- Entity type
- Limited Liability Company
- Filed
- April 12, 1999Reported filing date
- Document number
- 0618347
- Registration jurisdiction
- Connecticut
- Principal city + ZIP
- Hartofrd, CT
- Registered agent
- SEBASTIAN LAROSA
- Address
- 216 MAIN ST, HARTOFRD, CT
Registered agent and officers
Names and roles are reported on filings; matching names do not establish identity or ownership.
- Registered agent
- SEBASTIAN LAROSA
What this status means / annual report due date
Connecticut reports forfeited status. This describes the registration record; the exact effect depends on the entity type and reason recorded. A past listing does not establish current authority to operate.
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
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:14:51.0500000
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-24
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:14:38.4333333
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-23
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:14:35.7133333
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-22
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:15:07.0366667
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-21
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:15:06.9333333
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-20
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:15:00.9500000
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-18
Directory details
Names
- Legal
- MECHANICAL DESIGN SERVICES, LLC
Entity
- Type
- Limited liability company
Registration
- Status
- Forfeited
- Number
- 0618347
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- 216 MAIN ST
- Business · City
- Hartofrd
- Business · Region
- CT
- Mailing · Text
- 216 MAIN ST. , ,HARTFORD ,CT , ,
Dates
- Registration
- 1999-04-12
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Additional reported values
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:15:39.9500000
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Download directory record (JSON)
All retained directory fields
Other reported details
- Id
- 14521952
- Slug
- mechanical-design-services-llc-0618347
- Entity type
- Limited Liability Company
- Entity class
- llc
- Is foreign
- 0
- Registry
- CT
- Doc number
- 0618347
- Filed on
- 1999-04-12
- Status
- Forfeited
- Is active
- 0
- Domicile
- CT
- Status known
- 1
- Observed at
- 2026-10-21T07:22:48.934593+00:00
Addresses and locations
- State
- CT
- City slug
- hartofrd
- Address
- 216 MAIN ST, HARTOFRD, CT
- Location state
- CT
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
- City name
- Hartofrd
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
- MECHANICAL DESIGN SERVICES, LLC
Complete business master fields
Other reported details
- Id
- 001t000000Wmm3AAAR
- Business Type
- LLC
- Status
- Forfeited
- Account Number
- 0618347
- Citizenship
- Domestic
- Date Registration
- 04/12/1999
- Formation Place
- CT
- 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 00:15:39.9500000
Names and reported roles
- Name
- MECHANICAL DESIGN SERVICES, LLC
Addresses and locations
- Business Street
- 216 MAIN ST
- Business City
- HARTOFRD
- Business State
- CT
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 216 MAIN ST. , ,HARTFORD ,CT , ,
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Registered agents (1)
Reported name and role
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Registered agents
- Registered agent
- SEBASTIAN LAROSAFind records reporting this name →
Parsed registry details
Parties
- Reported · Source Type
- Individual
- Reported · Name
- SEBASTIAN LAROSA
- Reported · Given Name
- SEBASTIAN
- Reported · Family Name
- LAROSA
Addresses
- Business · Text
- 216 MAIN ST., HARTFORD, CT, United States
- Business · Street 1
- 216 MAIN ST.
- Business · City
- Hartford
- Business · Region
- CT
- Business · Country
- US
- Residence · Street 2
- 106 BOND ST.
- Residence · City
- Hartford
- Residence · Region
- CT
- Residence · Country
- US
SEBASTIAN LAROSA
Other reported details
- Business ID
- 001t000000Wmm3AAAR
- Business ID
- 0618347
- Reported type
- Individual
- Record timestamp
- 2026-10-18 00:31:38.2400000
Names and reported roles
- Reported name
- SEBASTIAN LAROSA
- Firstname
- SEBASTIAN
- Lastname
- LAROSA
Addresses and locations
- Business address
- 216 MAIN ST., HARTFORD, CT, United States
- Business street address 1
- 216 MAIN ST.
- Business city
- HARTFORD
- Business state
- CT
- Business country
- United States
Reported residence addresses
- Residence street address 1
- 106 BOND ST.
- Residence city
- HARTFORD
- Residence state
- CT
- Residence country
- United States
Showing 1–1 of 1.
Filing history (4)
Parsed registry details
Filing
- Name
- 0007220814
- Source Type
- Administrative Dissolution
- Type
- Certificate of Dissolution/Revocation
- Volume
- 140
- Volume Type
- E
- Page Count
- 1
- Start Page
- 450
- Physical Filing
- No
Dates
- Filing
- 2021-03-11
- Forfeited
- 2021-03-11
0007220814 · 2021-03-11
Other reported details
- Business ID
- 001t000000Wmm3AAAR
- Filing date
- 2021-03-11T00:00:00.000
- Reported type
- Administrative Dissolution
- Filing type
- Certificate of Dissolution/Revocation
- Volume
- 140
- Volume type
- E
- Pages
- 1
- Start page
- 450
- Date forfeited
- 2021-03-11T00:00:00.000
- Physical filing
- false
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0007220814
Parsed registry details
Filing
- Name
- 0007035257
- Source Type
- Administrative Dissolution
- Type
- Notice of Intent to Dissolve/Revoke
- Volume
- 109
- Volume Type
- E
- Page Count
- 1
- Start Page
- 1681
- Physical Filing
- No
Dates
- Filing
- 2020-12-10
0007035257 · 2020-12-10
Other reported details
- Business ID
- 001t000000Wmm3AAAR
- Filing date
- 2020-12-10T00:00:00.000
- Reported type
- Administrative Dissolution
- Filing type
- Notice of Intent to Dissolve/Revoke
- Volume
- 109
- Volume type
- E
- Pages
- 1
- Start page
- 1681
- Physical filing
- false
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0007035257
Parsed registry details
Filing
- Name
- 0002104089
- Source Type
- Annual Report
- Type
- Annual Report
- Report Year
- 2000
- Volume
- 333
- Volume Type
- B
- Page Count
- 1
- Start Page
- 3314
- Physical Filing
- Yes
Dates
- Filing
- 2000-04-25
0002104089 · 2000-04-25
Other reported details
- Business ID
- 001t000000Wmm3AAAR
- Filing date
- 2000-04-25T00:00:00.000
- Reported type
- Annual Report
- Filing type
- Annual Report
- Report year
- 2000
- Volume
- 333
- Volume type
- B
- Pages
- 1
- Start page
- 3314
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0002104089
Parsed registry details
Filing
- Name
- 0001965662
- Source Type
- Business Formation
- Type
- Certificate of Organization
- Volume
- 260
- Volume Type
- B
- Page Count
- 1
- Start Page
- 446
- Physical Filing
- Yes
Dates
- Filing
- 1999-04-12
0001965662 · 1999-04-12
Other reported details
- Business ID
- 001t000000Wmm3AAAR
- Filing date
- 1999-04-12T00:00:00.000
- Reported type
- Business Formation
- Filing type
- Certificate of Organization
- Volume
- 260
- Volume type
- B
- Pages
- 1
- Start page
- 446
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0001965662
Showing 1–4 of 4.