"We live remotely from the sale location, and Jack handled all the prep, renovation, staging, and photos just perfectly… I would rate him higher than 5 stars if I could."danc39 · Sold in Mountain House · 2026
Client reviews
The people who
worked with Jack.
Client experiences
15 selected client excerpts
These excerpts are a selection from Jack’s reviews. Read the full reviews on Zillow.
Showing all 15 excerpts.
"He can shoot back an email response faster than anyone! He was warm and helpful, yet competent and experienced. I felt like I was his only client."Martin Pedersen · Sold in Tracy · 2025
"Jack Klemm is the consummate professional real estate broker — the undisputed frontrunner of everything real estate related with whom I've had the privilege of working."Mark W. · Sold in Lathrop · 2023
"He was patient with us while we got it in tip-top shape to put on the market. Once it was on the market, it sold in one weekend!"Allison Binnebose · Sold in Tracy · 2022
"Our property was sold within the first week and the entire process was easier than buying a car! He is professional, reliable and trustworthy."Nargiz I. · Sold in Lathrop · 2022
"He arrived professional and prepared with a full pamphlet of comps, sell pricing, and his offerings. I checked out his reviews — that's what sold me."Carla Justice · Sold in Mountain House · 2021
"Upon our first meeting with Jack, we were immediately pleased with his preparedness, efficiency, and professionalism."Bryson Nicholson · Sold in Mountain House · 2020
"A very knowledgeable realtor who knows how to market a house — with an awesome crew who takes videos and photos as part of the marketing strategy."Conlou Antoine · Sold in Manteca · 2020
"He helped my husband and I get six non-contingent offers in one week in a slowing market during a slower time of year for home sales."S. Lee · Sold in Tracy · 2019
"Jack priced our home $50K higher than the other two brokers we interviewed — and he delivered over the asking."Verified seller · Sold in Tracy · 2019
"Out of all the Realtors I called, Jack was the only one who answered my call and returned my calls promptly."Jessica · Sold in Tracy · 2018
"He never left any questions unanswered and always responded promptly. He even emailed me a buyer's offer as early as 4 am."Verified seller · Sold in Tracy · 2018
"Once we moved out he had contractors refurbish our 17-year-old home to showroom condition. Jack kept us appraised by email and text."Mike · Sold in Lathrop · 2018
"From prepping our house for the market to the final closing, Jack continually proved himself to be knowledgeable, professional, honest, reachable, and a superb negotiator."Matt · Sold in Tracy · 2018
"Jack is Mr. Tracy in the real estate market… With Jack's expertise, I was able to get tens of thousands more than the asking price — and all parties were equally satisfied."Ron Watzke · Sold in Tracy · 2020
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