William Piotrowski Mortgage Banker
Loan Officer NMLS 219299
William Piotrowski is a Branch Manager and loan officer for Diamond Residential Mortgage.
Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyo... Show More
Search Reviews
Search
Write a Review
Overall Ratings
Filter by Date
Range
Filter by Rating
Reviews from Web
William was very responsive and answered all my questions in a timely manner.
Reply from Owner
September 16th, 2026 12:00 AM
Thank you, Von, for leaving that review!
Your feedback helps us keep improving, and we’re grateful you chose us to help with your home journey.
Thanks,
Diamond Residential Mortgage Corporation - William Piotrowski
From top to bottom, William and his team did an Exceptional job! 6 weeks to find a place and close! The realtor was recommended by William too! I couldn't be more happy.
Reply from Owner
September 16th, 2026 12:00 AM
Thank you so much for your kind words, Iamthebigdog22. We really appreciate you taking the time out to share your experience with us.
Thanks,
Diamond Residential Mortgage Corporation - William Piotrowski
William is incredibly knowledgeable and experienced in the mortgage industry. His expertise really shows, and he makes the entire process easy to understand. He’s professional, responsive, and genuinely great to work with. I highly recommend...
read more
Reply from Owner
September 13th, 2026 12:00 AM
Emily, thank you for the wonderful review!
We know the process can feel overwhelming, and we’re grateful you trusted us to help with such an important step.
William and his associates were fantastic to work with. Will definitely recommend to others.
Reply from Owner
June 18th, 2026 12:00 AM
Valerie, thank you for the wonderful review!
We know the process can feel overwhelming, and we’re grateful you trusted us to help with such an important step.
Excellent.
Reply from Owner
June 18th, 2026 12:00 AM
Thank you so much for your kind words, Victor. We really appreciate you taking the time out to share your experience with us.
Thank you,
Diamond Residential Mortgage Corporation - William Piotrowski
One of the best mortgages company's around, very professional and very fast at what they do. Very pleased with the services and would recommend to anyone.
Reply from Owner
May 18th, 2026 12:00 AM
Thank you so much for your kind words, Joe. We really appreciate you taking the time out to share your experience with us.
Thank you,
Diamond Residential Mortgage Corporation - William Piotrowski
Great mortgage broker. Friendly, responsive staff that delivers results in a timely manner.
Reply from Owner
May 18th, 2026 12:00 AM
Thank you, Linda, for leaving that review!
Your feedback helps us keep improving, and we’re grateful you chose us to help with your home journey.
Thanks,
Diamond Residential Mortgage Corporation - William Piotrowski
I recently purchased a new home and my real estate agent recommended Diamond, great call! Everyone at Diamond was professional, courteous and helpful. I was amazed at how smoothly the whole process went.
Pleasure to work with with.
Always top notch service.
William Piotrowski was outstanding. As a first time homebuyer doing the entire process remotely, William made the process simple and straight forward. He was always available despite the 16 hour time difference. It was a pleasure working with...
read more
10 of 755
About
William Piotrowski is a Branch Manager and loan officer for Diamond Residential Mortgage.
Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyone from first-time home buyers to more complex clients who don’t fit conventional lending profiles.
What makes William different is his accessibility to your family and how he listens to what you need at all points in the home buying process. You deserve a mortgage lender that empowers and works with your family.
Products & Services
Mortgage Loan Officer
FHA Home Loan
VA Home Loan
Jumbo Home Loan
Down Payment Assistance
Conventional Home Loan
Mortgage Refinance
Construction Loan
Bridge Loans
Fixed Rate Mortgages
Adjustable Rate Mortgages
Specialities
Mortgage Services, Purchase, Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyone from first-time home buyers to more complex clients who don’t fit conventional lending profiles.
Conventional
FHA
VA
USDA
IHDA Down Payment Assistance
DSCR
Bank Statements Loans
View All
Search Rank ScoreLearn More →
What is the Search Rank Score®?
Experience.com’s Search Rank Score measures a professional’s online search visibility across hundreds of key SEO attributes.
Positions
- Diamond Residential Mortgage Corp - Branch Manager Jan 4, 2016 - Current
Addresses and Serving Areas
Primary Serving Area
Year Started
2014
Time Zone
Central Standard Time (CST)
Licenses
- IL Mortgage
Gallery
View all
+5
Awards
Disclaimer
The content of this advertisement is for informational purposes only. This is not an offer for extension of credit or a commitment to lend. All rates, fees, and loan terms are subject to formal loan application, credit risk, appraisal evaluation and other lending criteria. Programs, rates, terms, and conditions are subject to change without notice. Other restrictions may apply. Diamond Residential Mortgage Corporation NMLS 186805; Arkansas Combination Mortgage Banker-Broker-Servicer License 110168; California – DBO Residential Mortgage Lending Act Licensee 4131348; Registered Colorado Mortgage Company; Florida Mortgage Lender License MLD826; Florida Mortgage Lender Servicer License MLD1442; Georgia Residential Mortgage Licensee 52026; Illinois Residential Mortgage License MB.6760694 Indiana -DFI First Lien Mortgage Lending License 11238 Kansas Mortgage Company License MC.0025034; Kentucky Mortgage Company License MC96693; Michigan 1st Mortgage Broker/Lender License FR0020986; Michigan 2nd Mortgage Broker/ Lender Registrant SR0016995; Minnesota Residential Mortgage Originator License MN-MO-40179067; Missouri Company Registration 141728; Licensed Nebraska Mortgage Banker; Oregon Mortgage Lending License ML-5206; Tennessee Mortgage License ML-5206; Texas – SML Mortgage Banker Registration; Washington Consumer Loan Company License CL-186805; Wisconsin Mortgage Banker License 700297BA