William W Si from Saratoga, CA

Age 54
📍 20417 Glasgow Dr, Saratoga, CA 95070
📞 (408) 476-5082, (408) 647-2188, (408) 532-0655, (515) 268-0904, (408) 245-5662, (650) 917-9523
✉️ wsi1@ipa.net

William Si from Indialantic, FL

Age 79
📍 1945 Canterbury Dr, Indialantic, FL 32903
📞 (256) 247-3101, (662) 846-7669, (321) 287-5082, (256) 247-3101, (256) 766-2903, (601) 672-5583, (256) 760-1662, (256) 760-9833
✉️ wstew56374@aol.com

William Siebert Dba William Si

Age 45 b. 1980-10-10
📍 William Siebert Dba William Si, 307 N Michigan Ave Ste 924, Chicago Il
📞 (312) 213-8115
✉️ WPEIEC0740@ATT.NET, wpeiec0740@att.net

William Si from Pompano Beach, FL

Age 101
📍 2700 18th St #18, Pompano Beach, FL 33062
📞 (954) 941-6068

William Si from Sarasota, FL

Age 103
📍 1467 Burning Tree St, Sarasota, FL 34234
📞 (941) 355-3192, (941) 355-3192
👨‍👩‍👧 Relatives: Inewcomb A Hudson,S Hudson

William Si from Hoffman Estates, IL

Male
📍 1665 Hartford Ct
📞 (847) 894-9070 (VERIZON WIRELESS)

William Si from Zanesville, OH

Age 63 b. Oct 1962 Muskingum Co.
📍 1671 Newark Rd 1

William Si from Zanesville, OH

Age 78 b. Sep 1947 Muskingum Co.
📍 3000 Moxadarla Dr 74

William Si from San Jose, CA

Santa Clara Co.
📍 3306 Henriette Ct
📞 (910) 425-8059

William Si from Lawrenceburg, KY

Anderson Co.
📍 1025 Primrose Ln

William Si from Avalon, NJ

Cape May Co.
📍 Po Box 220

Unknown Person

Source: Public Records Aggregators · Commercial Data Providers · Consumer Data Sources Our search returned 13 contact records for William SI across 6 states. The most recent address on file is in Saratoga, California. Of these records, 8 include phone numbers and 4 include email addresses. Ages range from 54 to 103, which may indicate multiple individuals sharing this name. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.

Si William & Cao Dawn

Collin County
· 8108 Boulder River Trl, McKinney Tx 75070.0
Built: 2006.0
Assessed: $0

Source: County Assessor Records · County Recorder Offices · State Property Tax Databases We found 1 property record linked to William SI in McKinney. Values shown are from county assessor records and may differ from current market prices.

Yahoo.com

weimin_si@yahoo.com

William Si

Charles Best
Vancouver Canada Area
Vancouver, British Columbia, Canada

William Si

Pharmacist In Charge
Connecticut

Dstockcharts.com

William SiPHYSICAL REHAB Services Director
(203) 837-1028wsi@bellsouth.net
35 Gateway Ct, Cheshire, CT6410
dstockcharts.com

William (Weimin) Si

RF analog IC design at Qu · San Francisco Bay Area

Rthowell.com

William SiPresident
wsi@bellsouth.net
35 Gateway Ct, Cheshire, CT6410

Source: State Secretary of State · SEC EDGAR · LinkedIn Professional Data · Business Registries 11 business affiliations were found for William SI. Companies include Vancouver Canada Area, Rthowell.com. Roles listed include Null and PHYSICAL REHAB Services Director. Records are compiled from state business registries, SEC filings, and professional networking databases.

Baycomm Enterprise INC.

Filed: Apr 15, 2014
Registered Agent: William W Si

Baycomm Enterprise INC.

Filed: Apr 15, 2014
CEO: William W Si

Baycomm Enterprise INC.

Addr: 20417 Glasgow Dr, Saratoga, CA, 95070
CA
CEO: William W Si

Source: Public Records William SI appears in 3 corporate filings from state Secretary of State offices and SEC EDGAR, listed as an officer, director, or registered agent.

Inventor Record

William Si - San Jose

Patent Details

William Si
#8498589

Source: USPTO Patent Database · U.S. Patent & Trademark Office William SI is listed as an inventor or co-inventor on 2 USPTO patents. Patent data is public information published by the United States Patent and Trademark Office upon grant or application publication.

$10 Jun 10, 2024
2024 REP
Brown, Sam
Si, William Retired Spring Gap, MD
$100 Mar 4, 2014
2014
Kuo, Peter
Si, William Engineer @ Qualcomm Saratoga, CA
$100 Mar 4, 2014
Kuo, Peter
Contributor Engineer @ Qualcomm Saratoga, CA
$100
2014
Kuo, Peter
Contributor Engineer @ Qualcomm Saratoga, CA

Source: FEC Disclosure Database · State Ethics Commissions · Stanford DIME Project 4 political contribution records found for William SI. Total disclosed contributions amount to $310. Recipients include Kuo, Peter. Federal law requires disclosure of contributions above $200 to federal candidates.

MP

William W Si

Age 50 Male
·
20417 Glasgow Dr, Saratoga, CA 95070 (Santa Clara County)
37.2740, -122.0300
Marital: Single TZ: Pacific
Edu: Some College
Homeowner Single Family Built 1971 Purchased 2009

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

Note: PPP loans shown are for businesses with addresses associated with William SI. These loans were issued to businesses, not individuals.

Jeffrey Solomon

Sole Proprietorship

$6,725 Paid in Full
Address:
1914 Monte Verde Ave N/A
Modesto, CA95350
Approved

Apr 28, 2020

Forgiven

$6,786

Jobs Reported

1

Loan #

7672227202

Loan Size

Small

Diane Andree

Self-Employed Individuals

$1,376 Paid in Full
Address:
15 Smith St
Mastic, NY11950-1915
Approved

Feb 11, 2021

Forgiven

$1,385

Jobs Reported

1

Loan #

7419798408

Loan Size

Small

George Andree

Self-Employed Individuals

$10,190 Paid in Full
Address:
15 Smith St
Mastic, NY11950-1915
Approved

Feb 11, 2021

Forgiven

$10,256

Jobs Reported

1

Loan #

7027178400

Loan Size

Small

Witek Repairs, INC

Corporation

$3,841 Paid in Full
Address:
1665 Hartford Ct
Hoffman Estates, IL60169-4848
Approved

Jul 27, 2020

Forgiven

$3,890

Jobs Reported

1

Loan #

9141658100

Loan Size

Small

Source: SBA PPP Loan Data · CARES Act Public Disclosures 4 PPP loan records are linked to businesses associated with William SI. These Paycheck Protection Program loans were part of the 2020-2021 CARES Act pandemic relief and were released by the SBA under FOIA.

Find William SI on the map

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William SI in Chicago, IL: Background Summary

Location
William Siebert DBA William Si, 307 N Michigan Ave Ste 924, Chicago Il, Chicago, IL
Other Locations
Saratoga, CA · Hoffman Estates, IL · Zanesville, OH and 3 more
Profiles Found
13 people with this name
Phone Numbers
(209) 596-4404 and 14 others on file
Email
li0nheart79@cs.com and 5 others on file
Possible Relatives
Patricia G Collins SR, Amy K Whittenburg, B Collins, Bessie E Collins, Catherine Ellen Foust and 51 more
Career
PHYSICAL REHAB Services Director, President at Vancouver Canada Area, Rthowell.com
Properties
1property owned
Contributions
$310 total — Kuo, Peter, Kuo, Peter
PPP Loans
$22,132 for Jeffrey Solomon, Diane Andree

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 SI. Because public records are indexed by name rather than by a unique identifier, the 42 results displayed here may include information belonging to multiple individuals who share the same name — 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

Property Records

Property records originate from county assessor and recorder offices, where real estate transactions, ownership transfers, and tax assessments are documented as a matter of public record. The assessed value shown for a property is the figure used by the county to calculate property taxes and frequently differs from the property's current market value — in many jurisdictions assessed values lag behind market conditions by several years. A property record updates whenever a new deed, lien, or assessment is filed with the county, so the ownership and valuation data shown here reflects the most recent filing available in our sources rather than a real-time snapshot.

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 — 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.

Patent Filings

Patent data is drawn from the United States Patent and Trademark Office (USPTO). Being listed as an inventor on a patent means this individual is credited as having made a substantive intellectual contribution to the invention described in the patent application. Patent records include the filing date, grant date, patent number, and a description of the invention. A patent listing does not indicate that the inventor currently owns the patent rights — patents are frequently assigned to employers or transferred between entities after they are granted.

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 SI

Search Complexity: High

42 public records across 8states, belonging to approximately 13 different individuals. With 13 distinct profiles across 8 states, additional identifying information such as a middle name, age, or city will significantly narrow these results.

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 widely distributed across 8 states. Highest concentration: California (17%), followed by Florida and Connecticut. Spans the West and South regions.

CA7recordsFL5recordsCT5recordsIL2recordsOH2recordsTX1record

Record Type Breakdown

Data spans 7 record categories. Largest: Contact & Address Records (39%), which contain the most specific identifiers like phone numbers, email addresses, and physical addresses. Also includes Business & Corporate Filings (11) and Political Contribution Records (4).

16
Contact & Address Records
11
Business & Corporate Filings
4
Political Contribution Records
4
PPP Loan Records
3
Corporate Records
2
Patent & Invention Records

Age Distribution

Age range: approximately 57 years, suggesting multiple generations. Largest group: Senior (65+) (57%).

Senior (65+)4peopleMiddle-Age (40-64)3people

Use the age information shown on individual record cards to help identify the correct person.

Frequently Asked Questions About William SI

Does William SI own property?
County assessor records show 1 property associated with William SI . Assessed values are determined by county tax assessors and may differ from market value. These records are sourced from county recorder and assessor offices.
What businesses are associated with William SI?
We found 11 business affiliations for William SI (null). Other companies include rthowell.com. Business records are compiled from state registries, SEC filings, and professional databases.
Has William SI made political donations?
FEC disclosure records show 4 reported political contributions from William SI, totaling $310. Recipients include Kuo, Peter. Federal law requires disclosure of individual contributions exceeding $200.
How many records exist for William SI?
Our database contains 42 total records for William SI spanning 8 states. This includes 13 distinct contact records, 8 with phone numbers, 4 with email addresses. Multiple records may represent different individuals sharing the same name. All data is compiled from publicly available government and commercial sources.
How accurate is the information shown for William SI?
The 42 records displayed for William SI 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 SI 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.