Investor Profile - WA

Sem Yamamoto

Sem Yamamoto is a real estate investor and operator based in Seattle-Tacoma, WA. Public filings show activity across 4 properties held through 1 holding companies. Recent mortgage relationships include WASHINGTON STATE DEPARTMENT OF COMMERCE and US Bank.

Contact info available

Sem's Activity

As of June 2026, public records show approximately $2.0M in recorded mortgage exposure linked to this investor across at least 2 mortgage filings and 4 properties held through 1 holding companies. Activity appears concentrated in residential assets recorded between 2016 and 2020.

Primary Geography

Seattle-Tacoma, WA

ZIP codes: 98198 and 98056

Most activity in DES MOINES and NEWCASTLE.

Property Type Breakdown

Residential100%

Associated Entities (1)

WESLEY HOMES DES MOINES LLC

WA · 4 properties · 2 mortgages

active
Incorporated on 09/22/2005 in WAMailing Address: 18000 72ND AVE S STE 217, KENT, 98032-1035, WA, UNITED STATES

Mortgages (2)

Top Lenders

WASHINGTON STATE DEPARTMENT OF COMMERCE
WASHINGTON STATE DEPARTMENT OF COMMERCE

$2.0M · 1 loan

US Bank
US Bank

$25k · 1 loan

DateAmountStatusLenderBorrowerAddress
04/20/2020$2.0MOpenWASHINGTON STATE DEPARTMENT OF COMMERCEWESLEY HOMES DES MOINES LLC815 S 216TH ST,
DES MOINES, WA 98198
11/07/2016$25kOpenUS BankWESLEY HOMES DES MOINES LLC815 S 216TH ST,
DES MOINES, WA 98198

Owned Properties (4)

AddressDeeded ownerStatusConsideration
12607 78TH PL,
NEWCASTLE, WA 98056
WESLEY HOMES DES MOINES LLCOwns - 56.4 yrs$0
1122 S 216TH ST,
DES MOINES, WA 98198
WESLEY HOMES DES MOINES LLCOwns - 56.4 yrs$0

+2 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential properties across Seattle-Tacoma, WA.

What companies is Sem Yamamoto associated with?

Sem Yamamoto is associated with 1 entity based on extracted signatures from public records. Key entities include WESLEY HOMES DES MOINES LLC.

How many properties are associated with this investor?

At least 4 properties are associated with Sem Yamamoto and the entities they control, based on signatures extracted from recorded documents connecting Sem Yamamoto to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references WASHINGTON STATE DEPARTMENT OF COMMERCE and US Bank, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2016 through 2020, with the most recent mortgage recorded in 2020.

How is associated activity determined?

Elementix uses AI to extract signatures from recorded documents. These signatures are used to determine the relationships between people and entities. This is a novel approach that goes beyond looking at corporate filings and skip-tracing.

The information displayed on this page is compiled from recorded real estate documents, business filings, and other lawfully available sources. Elementix summarizes and analyzes public record activity related to investment real estate and associated business entities. Any contact indicators shown (such as email domain references or partial phone digits) are provided solely as unverified signals and may be incomplete or outdated.

Elementix is not a consumer reporting agency, and this information does not constitute a consumer report. The data may not be used to make decisions about an individual's eligibility for personal credit, consumer housing, employment, insurance, or any other purpose governed by the Fair Credit Reporting Act.

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