Real estate agency · Carol Stream, IL · reviewed since 2015
iHow the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%93+54.6Reliability 26%95+24.8Value 15%100+15.2Experts Score= 95Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.95SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#44 of 80 real estate developersiPosition by Experts Score among all companies we track in this category. · better than 46%
4.9★★★★★127 Google reviews · 10 photos
98%five-star reviews
5.00★last 12 monthsiAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
Google rating: 4.9 out of 5 from 127 reviews (98% five-star).
Reviews on this page: 127 Google reviews (113 with written comments, 2 with photos).
Owner responses: the business replied to 0% of reviews.
Most recent review: November 1, 2026.
Service: Real Estate Developer serving Carol Stream, Illinois.
Data from Google, last updated November 2, 2026.
Score profile vs other real estate developers
Score per factor (100 = best)iEach factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and value; weakest: satisfaction.
Realstar RealtyReal Estate Developers median0 = centre, 100 = best
SatisfactioniSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Realstar Realty: 93/100 on this factor. Category median: 98.A
93
ReliabilityiReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Realstar Realty: 95/100 on this factor. Category median: 98.A
95
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Realstar Realty: 100/100 on this factor. Category median: 99.A
100
ValueiValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Realstar Realty: 100/100 on this factor. Category median: 99.A
100
MomentumiMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Realstar Realty: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsiReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 38.–
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Bar = this company · dark tick = category median.
Star ratings
127 Google reviews we collected
4.9of 5
5 stars12598%
4 stars00%
3 stars00%
2 stars00%
1 star22%
Praise vs complaints
Phrases our text analysis found in 113 written reviews
98%praise
Praise20798%
Complaints42%
Topic share
How often each topic comes up in the written reviews
7topics
Staff & attitude4923%
Would recommend4823%
Speed & response3818%
Quality & results2914%
Price & value2210%
Communication147%
Honesty & trust115%
What customers talk about
We read 113 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“John is extremely knowledgeable and offers his expertise as if you were his own family.”
“He was and is a true partner and even a friend - highly recommended!”
“We would not hesitate to use them again and cannot recommend them enough!”
“He was very good and communicating, thinking of the details, and being very responsive.”
“If you are looking for a top-notch realtor, be it to buy or sell, RealStar should be your top choice!”
“You will save a great deal of money using them, however, there will be no shortage of services provided.”
“Always kept me updated and made a smooth transaction.”
“The trust and confidence I have in this firm is unwavering (this was my 5th transaction with them!”
People customers mention
John46 reviews
Dianne31 reviews
Wilt22 reviews
Diane14 reviews
Wheaton6 reviews
Realtor3 reviews
praise complaint · found by our text analysis, Google review wording unchanged.
Recent reviews
LLexi5 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 10 hours ago★★★★★
John and Dianne are truly the dream team of the real estate business! John is extremely knowledgeable and offers his expertise as if you were his own family. They always treated us with kindness and made us feel like priority number one. We could not recommend this team enough!
DDeborah5 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 weeks ago★★★★★
John was a pleasure to work with! Always kept me updated and made a smooth transaction. HIGHLY RECOMMEND!!
CCherry8 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited a month ago★★★★★
I oversaw my sister’s sale of her home. John from Realstar Realty went above and beyond to be sure the best results were attained. His experience, knowledge, and communication lead us through a smooth listing and sale’s transaction with a highly qualified Buyer. We could not have asked for a better experience! Thank you John and Realstar Realty!
DDave2 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 months ago★★★★★
John is literally the best. As first time home sellers he helped us identify everything we needed to do step by step, and gave us his time whenever we needed it. His recommendations were spot on and he was always looking out for our best interest. He was and is a true partner and even a friend - highly recommended!
KKaren4 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 months ago★★★★★
I simply can not say enough wonderful things about RealStar (John, Dianne & Team). The trust and confidence I have in this firm is unwavering (this was my 5th transaction with them!!)
From start to finish the process was easy and went smoothly. While it was a personally a stressful time in my life as I had…
JJason5 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
If you are looking to sell your place, do yourself a favor and hire John. He made the entire process so easy and stress-free from day one. Diane's advice on staging and John's advice on pricing was spot on, and we ended up getting incredible offers way faster than we expected. They handled all the chaotic paperwork…
John and Dianne are truly the dream team of the real estate business! John is extremely knowledgeable and offers his expertise as if you were his own family. They always treated us with kindness and made us feel like priority number one. We could not recommend this team enough!
Property types: Houses, Apartments or condos
D
Deborah Schultz5 reviewsiTotal number of Google reviews Deborah has written across all businesses on Google Maps, not just this one.
I oversaw my sister’s sale of her home. John from Realstar Realty went above and beyond to be sure the best results were attained. His experience, knowledge, and communication lead us through a smooth listing and sale’s transaction with a highly qualified Buyer. We could not have asked for a better experience! Thank you John and Realstar Realty!
D
Dave Knutson2 reviewsiTotal number of Google reviews Dave has written across all businesses on Google Maps, not just this one.
John is literally the best. As first time home sellers he helped us identify everything we needed to do step by step, and gave us his time whenever we needed it. His recommendations were spot on and he was always looking out for our best interest. He was and is a true partner and even a friend - highly recommended!
K
Karen Christensen4 reviewsiTotal number of Google reviews Karen has written across all businesses on Google Maps, not just this one.
I simply can not say enough wonderful things about RealStar (John, Dianne & Team). The trust and confidence I have in this firm is unwavering (this was my 5th transaction with them!!)
From start to finish the process was easy and went smoothly. While it was a personally a stressful time in my life as I had made the decision to move across country solo, the guidance given along the way during the sale of my home put me at ease.
If you are looking for a top-notch realtor, be it to buy or sell, RealStar should be your top choice!!
J
Jason Friend5 reviewsiTotal number of Google reviews Jason has written across all businesses on Google Maps, not just this one.
If you are looking to sell your place, do yourself a favor and hire John. He made the entire process so easy and stress-free from day one. Diane's advice on staging and John's advice on pricing was spot on, and we ended up getting incredible offers way faster than we expected. They handled all the chaotic paperwork and last-minute details behind the scenes so we didn't have to worry about a thing. Total rockstars!
C
Craig WeissLocal Guide · 15 reviewsiTotal number of Google reviews Craig has written across all businesses on Google Maps, not just this one.
John really help my real estate transaction go through easily, and he really helped with the negotiation to come up with a very favorable price for me. He was very good and communicating, thinking of the details, and being very responsive.
R
Ryan4 reviewsiTotal number of Google reviews Ryan has written across all businesses on Google Maps, not just this one.
John helped us sell a property that was in a great location but needed quite a bit of work. His experience and expertise helped us prep the house for sale to maximize our ROI. We closed quickly and John made the process easy and seamless.
R
Rose Marie Mikoljak6 reviewsiTotal number of Google reviews Rose has written across all businesses on Google Maps, not just this one.
I bought my new home and sold my old home using the same Realtor, John Wilt at Realstar Realty. He and his team are personable and professional and were instrumental in helping me find my lovely home in record time. I recommend John and his team to help with buying and selling. Their experience and confidence get the job done.
R
Robert Cherry12 reviewsiTotal number of Google reviews Robert has written across all businesses on Google Maps, not just this one.