William Siefkin from Wilmington, DE

Age 80 b. Jan 1946 New Castle Co.
๐Ÿ“ 717 Foxdale Rd
๐Ÿ“ž (302) 478-1278

William Siefkin from Frisco, TX

Denton Co.
๐Ÿ“ 25 Canyon Crest Ct

Source: Public Records Aggregators ยท Commercial Data Providers ยท Consumer Data Sources Our search returned 2 contact records for William Siefkin across 2 states. The most recent address on file is in Wilmington, Delaware. Of these records, 1 include phone numbers. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.

2014 Mercedes-Benz GL-Class
ยท Registered to: William Siefkin
ยท VIN: 4JGDF2EE7EA272087
·
10512 Countryside Dr, Denton, TX, 76207
·
(940) 395-8959
2011 MERCEDES-BENZ E-CLASS
ยท Registered to: William Siefkin
ยท VIN: WDDHH8HB8BA498838
·
10512 Countryside Dr, Denton, TX, 76207-6606
·
(940) 262-1234
2008 HONDA ODYSSEY MINIVAN PASSENGER
ยท Registered to: William Siefkin
ยท VIN: 5FNRL387X8B064593
·
3512 Bans Crown Blvd, Lewisville, TX, 75056

Source: State DMV Records ยท DPPA-Compliant Data Providers ยท Vehicle Registration Databases 3 vehicle registration records are associated with William Siefkin. Registered makes include Mercedes-Benz, Honda. The most recent model year on record is 2014. Vehicle data is obtained through DPPA-compliant providers and is regulated under the federal Driver's Privacy Protection Act.

Hypergrowth Co

President
(940) 591-9033
Denton, TX
Business Services (Services)

Management Development Institu

William Siefkin
(214) 518-2714blake4@aol.com
Va 23005,

Source: State Secretary of State ยท SEC EDGAR ยท LinkedIn Professional Data ยท Business Registries 3 business affiliations were found for William Siefkin. Companies include Hypergrowth Co, Management Development Institu, Management Development Institu. Records are compiled from state business registries, SEC filings, and professional networking databases.

william siefkin

A
Addr: Denton, TX

Source: State Professional Licensing Boards ยท Dept. of Professional Regulation William Siefkin holds 1 state-issued professional license on record. License data includes type, status, and issue dates from state regulatory boards. Always verify current status directly with the issuing board.

William Siefkin

Herbert Hoover High School - Glendale, CA, CA
1964

Source: Historical Yearbook Archives ยท State Dept. of Education ยท Educator License Databases William Siefkin has 1 education-related record on file, which may include educator certifications and historical yearbook entries. Yearbook data represents a historical snapshot and may not reflect current information.

$104 Nov 6, 2023
2024
Trump Save America Joint Fundraising Committee
Siefkin, William Sales @ Robson Communities INC Denton, TX
$100 Jul 15, 2020
2020 REP
Nrcc
Siefkin, William Sales @ Robson Communities INC Denton, TX
$10 Mar 1, 2020
2020 REP
Grassley, Charles E
Siefkin, William Sales @ Robson Communities Denton, TX
$10 Mar 1, 2020
2020 REP
Rubio, Marco
Siefkin, William Sales @ Robson Communities Denton, TX
$10 Mar 1, 2020
2020 REP
Rubio, Marco
Siefkin, William Sales @ Robson Communities Denton, TX
$10 Mar 1, 2020
2020 REP
Tipton, Scott R.
Siefkin, William Sales @ Robson Communities Denton, TX
$52 Feb 17, 2024
2024 REP
Sullivan, Dan
Siefkin, William Sales @ Robson Communities INC Denton, TX
$100 Nov 18, 2020
2020 REP
Loeffler, Kelly
Siefkin, William Sales @ Robson Communities INC Denton, TX
$10 Mar 1, 2020
2020 REP
Blunt, Roy
Siefkin, William Sales @ Robson Communities Denton, TX
$100 Nov 18, 2020
2020 REP
Perdue, David
Siefkin, William Sales @ Robson Communities INC Denton, TX
$50 Sep 15, 2020
2020 REP
Scott, Timothy E
Siefkin, William Sales @ Robson Communities INC Denton, TX
$10 Aug 31, 2020
2020 REP
Cawthorn, David Madison
Siefkin, William Sales @ Robson Communities INC Denton, TX
$52 Mar 17, 2024
2024 REP
Sullivan, Dan
Siefkin, William Sales @ Robson Communities INC Denton, TX
$10 Mar 1, 2020
2020 REP
Blackburn, Marsha Mrs.
Siefkin, William Sales @ Robson Communities Denton, TX
$100 Mar 1, 2020
2020 REP
Gardner, Cory
Siefkin, William Sales @ Robson Communities Denton, TX
$5 Oct 7, 2020
2020 REP
Scott, Timothy E
Siefkin, William Sales @ Robson Communities INC Denton, TX
$100 Dec 9, 2020
2020 REP
Perdue, David
Siefkin, William Sales @ Robson Communities INC Denton, TX
$10 Mar 1, 2020
2020 REP
Thune, John
Siefkin, William Sales @ Robson Communities Denton, TX
$25 Oct 4, 2020
2020 REP
Graham, Lindsey O
Siefkin, William Sales @ Robson Communities INC Denton, TX
$100 Mar 1, 2020
2020 REP
Gardner, Cory
Siefkin, William Sales @ Robson Communities Denton, TX
$10 Mar 1, 2020
REP
Rubio, Marco
Contributor Sales @ Robson Communities Denton, TX
$10 Dec 27, 2020
Unknown Committee
Siefkin, William Sales @ Robson Communities INC Denton, TX

Source: FEC Disclosure Database ยท State Ethics Commissions ยท Stanford DIME Project 22 political contribution records found for William Siefkin. Total disclosed contributions amount to $988. Recipients include Rubio, Marco. Federal law requires disclosure of contributions above $200 to federal candidates.

MP

William Siefkin

Male
·
12117 Willet Way, Denton, TX 76207 (Denton County)
33.2374, -97.1801
· (940) 262-1233
TZ: Central
Single Family

Source: Consumer Marketing Databases ยท Commercial Data Aggregators Marketing databases contain 1 demographic profile associated with William Siefkin. This data is compiled from commercial aggregators and may include estimated income ranges, lifestyle indicators, and household characteristics. Accuracy is not guaranteed.

Find William Siefkin on the map

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William Siefkin in Wilmington, DE: Background Summary

Location
717 Foxdale Rd, Wilmington, DE 19803
Other Locations
Frisco, TX
Profiles Found
2 people with this name
Age
80 years old (born 01/15/1946)
Phone Numbers
(302) 478-1278
Career
Hypergrowth Co, Management Development Institu
Vehicles
3 linked โ€” 2014 Mercedes-Benz GL-Class, 2011 Mercedes-Benz E-Class and 1 more
Contributions
$988.2 total โ€” Rubio, Marco

This information is compiled from publicly available records and may include data for multiple individuals with similar names. Data may contain inaccuracies or be incomplete. This information should not be used for employment screening, tenant screening, credit decisions, or any purpose covered by the Fair Credit Reporting Act (FCRA). Always verify information independently before making any decisions.

How to Read This Report

This page aggregates publicly available records from government agencies, court systems, and official registries into a single report for William Siefkin. Because public records are indexed by name rather than by a unique identifier, the 33 results displayed here may include information belonging to multiple individuals who share the same name โ€” a common occurrence, especially for frequently appearing names. To determine which records belong to the person you are researching, compare the location, approximate age, and any associated details across entries. Records that share an address or overlapping timeframe are more likely to refer to the same individual.

What Each Data Category Means

Business and Professional Records

Business records are compiled from state Secretary of State filings, SEC EDGAR corporate disclosures, and professional networking data. When a person appears as an officer, director, or registered agent, it reflects a formal role filed with a government agency โ€” these are legal positions of responsibility, not informal job titles. Records sourced from professional profiles represent information that individuals have chosen to make publicly available about their career history, skills, and affiliations. Business entity registrations show current or historical standing with the state, but a listing does not guarantee the entity is still actively operating.

Campaign Finance Contributions

Federal election law requires the disclosure of political contributions exceeding $200 to any single committee in a calendar year. These records are filed with the Federal Election Commission (FEC) and include the donor's name, mailing address, employer, occupation, and the amount contributed. Contributions to state and local candidates are governed by each state's campaign finance laws, which may set different disclosure thresholds. The data shown here reflects what was reported in official filings and may include contributions made over the course of many election cycles, so the dates and amounts should be read in their historical context.

Vehicle Records

Vehicle ownership records are obtained through sources that comply with the Driver's Privacy Protection Act (DPPA), the federal law that governs who may access motor vehicle records and for what purposes. The records shown indicate vehicles that have been registered to this individual through state DMV systems. Vehicle data may include make, model, year, and VIN, and reflects registration information at the time the record was filed. Vehicles that have been sold, traded, or transferred may still appear until the registration is updated in the state's records.

Important Limitations

Public records may contain outdated information, data entry errors, or records that belong to a different person who shares the same name as the individual you are researching. Government agencies update their records on varying schedules, and the data shown here may not reflect the most recent changes. Information on this page is provided for informational purposes only and should not be used for employment screening, tenant screening, credit decisions, or any other purpose regulated by the Fair Credit Reporting Act (FCRA). Always verify critical details through the originating government agency or official registry.

Your Rights

If you are the person described in these records, you have rights regarding your personal data. Under laws including the California Consumer Privacy Act (CCPA) and similar state privacy statutes, you may request the deletion or correction of your personal information. To submit a removal request, visit our opt-out page. For a complete description of how we collect, use, and protect personal data, please review our privacy policy.

Search Results Analysis for William Siefkin

Search Complexity: Moderate

33 public records across 4states, belonging to approximately 2 different individuals. There are 2 distinct profiles in the results. Using the state filter or checking age and address details will help identify the correct individual.

For this search, the Political Contribution Records section may be most helpful for disambiguation because these records include employer and occupation, which are strong distinguishing fields.

Geographic Distribution

Records are moderately distributed across 4 states. Highest concentration: Texas (27%), followed by Virginia and Delaware. Spans the South and West regions.

TX9recordsVA1recordDE1recordCA1record

Record Type Breakdown

Data spans 5 record categories. Largest: Political Contribution Records (71%), which include employer and occupation, which are strong distinguishing fields. Also includes Vehicle Registration Records (3) and Business & Corporate Filings (3).

22
Political Contribution Records
3
Vehicle Registration Records
3
Business & Corporate Filings
2
Contact & Address Records
1
Professional License Records

Frequently Asked Questions About William Siefkin

What vehicles are registered to William Siefkin?
Records show 3 vehicle registrations associated with William Siefkin, including a 2014 Mercedes-Benz GL-Class. Registered makes include Mercedes-Benz, Honda. Vehicle registration data is obtained through DPPA-compliant providers and is regulated under the federal Driver's Privacy Protection Act.
What businesses are associated with William Siefkin?
We found 3 business affiliations for William Siefkin, including Hypergrowth Co. Other companies include Management Development Institu, MANAGEMENT DEVELOPMENT INSTITU. Business records are compiled from state registries, SEC filings, and professional databases.
Has William Siefkin made political donations?
FEC disclosure records show 22 reported political contributions from William Siefkin, totaling $988. Recipients include Rubio, Marco. Federal law requires disclosure of individual contributions exceeding $200.
How many records exist for William Siefkin?
Our database contains 33 total records for William Siefkin spanning 4 states. This includes 2 distinct contact records, 1 with phone numbers. All data is compiled from publicly available government and commercial sources.
How accurate is the information shown for William Siefkin?
The 33 records displayed for William Siefkin are aggregated from government agencies, county offices, and official registries. While we source from authoritative databases, records can contain outdated information or belong to a different person with the same name. We recommend verifying important details through the original issuing agency before making decisions based on this data.
Can William Siefkin remove this information?
Yes, any individual has the right to request removal of their personal information. Submit a free removal request through our opt-out page. Under the CCPA and similar state privacy laws, you can request deletion of your data. Removal is completed within 48 hours. You do not need to create an account.
Can I use this data for background checks or screening?
No. OpenDataUSA is not a Consumer Reporting Agency under the FCRA. These records may not be used for employment screening, tenant evaluation, credit decisions, insurance underwriting, or any other FCRA-regulated purpose. For official background checks, use an FCRA-compliant service.