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Typical your area range for this kind of work, from regional averages — not a quote from Keim Landscape Consulting. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$50 – $70
Typical landscaping service around $60
Stone is the work here. A page on thestonetrust.org describes Keim Landscape Consulting as a small hardscape company based in Concord, NH, a father-son partnership of Rob and his son Zac specializing in dry stone walling, flatwork and stone veneers. The company's website describes it as family-owned and specializing in stone walls, patios and veneer. Its Houzz profile lists it as a Certified Dry Waller with The Stone Trust of America and the Dry Waller Association of Great Britain. A customer in Merrimack had the company rebuild a failing Pennsylvania Field Stone wall and add a matching wall on the other side of a widened driveway, and said the walls are an exact match. A customer said Rob helped with design and materials ideas, including hiring a landscape designer to draw a plan, and that when a detached irrigation sprinkler head turned up after the job, Rob came out the next day, found the buried lines and reattached the sprinkler. A repeat customer on Houzz thanked Rob, Zach and Tyler for their yard and patio and called them very clean workers. In a 2023 review, a customer said Rob provided a quote with CAD drawings, suggested re-grading the backyard instead of a pricey earth removal and recommended mortaring the wall topper for the children's safety. That 2023 customer also praised Zac's work on the stone retaining wall. A 2022 Houzz customer described a backyard project with stone retaining walls, granite steps, a walkway, a patio, a stone fireplace, a pergola, a small basketball court, landscaping and lighting, and said Rob coordinated the parts outside his scope like the pergola and basketball court. A 2022 Google customer said Rob designed and installed their front walkway with plants, added sod and drainage, and with his team built a retaining wall and stone steps down to a stone patio. In a 2018 review, a customer said Rob built a dozen columns in a conference center that stayed open and busy during the work, and that the job was done on time and on budget. A 2018 customer said a wet spring had left the company with a lot of work backed up, and that it took a while to get into the queue. In a 2017 Houzz review, a customer who hired Rob to build a walkway and prepare landscaping beds said they paid the final third before winter on his promise to come back in the spring to finish, and that he never came back and would not return their calls.
“Rob and his son Zac form a father-son-partnership at Keim Landscape Consulting, a small hardscape company based in Concord, NH, specializing in dry stone walling, flatwork, and stone veneers.”
We had Keim Landscaping here at my property in Merrimack to rebuild a failing Pennsylvania Field Stone wall and too add a matching wall to the other side of my driveway after widening it. The walls came out better than expected and are an exact match. They were easy to work with and had some great suggestions on the project which I really appreciated. I highly recommend Keim Landscaping.
They are the best at what they do. I am a repeat customer and once again they did a beautiful job. They are very easy to work with and they are very clean workers. I really can’t say enough other then you should hire them to do your project! Rob, Zach, and Tyler, thank you so much for my beautiful yard and patio.
We had a great experience working with Rob and Zack. From the beginning Rob helped us with design and materials ideas, including hiring a landscape designer to draw a plan so there were no miscommunications about the final design. They did great work with no delays, and were easy to reach before, during, and after the project. We discovered a detached irrigation sprinkler head after they finished, and Rob came out the next day, found the buried lines and reattached the sprinkler. I can't recommend them enough!
10/2024 - We just had Rob do a second project for us and once again we are over joyed with our front walk. He installed a front walk to match the back patio and added some fresh stone to our driveway and buried a front culvert we had with a new pipe to really perfect our front yard. We will be contacting Rob again for more projects for sure. Rob truly cares about his customers and does an excellent job to make sure the projects come out to what we really want but also adds his professional advice to make the project perfect. 10/2021 - We had Rob and his crew put a new patio in at our house and they did an absolutely amazing job. We would recommend Rob for any of your landscaping needs. Rob listened to us and always took our concerns seriously. From concept and planning to bringing our dream to life Rob did an amazing job and went above and beyond to make sure everything was perfect when finishing up. We will be contacting Rob again for more projects around our house!
I cannot say enough good things about Rob, Zac and the Keim Landscaping team. They were professional from start to finish. Starting with the on-site evaluation, brainstorm and quote: Rob was on time and came equipped with ideas, which was great for us since we have small children and not a lot of time to plan or design something ourselves. We had rough ideas of semi-permanent gazebo and a fireplace (small kids seemed safer) and the fact I wanted our hideous non-grass growing hill GONE. Rob was able to take dimensions, knew the fire code to immediately recommend placement of fire place and build from there. Additionally he was able to professionally suggest budget-friendly re-grading of our backyard space instead of a pricey earth removal, which I greatly appreciated. Lastly, Rob suggested we mortar our wall topper due to our kiddos. Again greatly appreciated because that was something I would have never thought of to increase the safety for the kids as they grow. Also drainage for our property is a challenge (and by challenge I mean at times there is a deluge) which Rob was able to easily navigate through design. Rob had several color and design suggestions and provided us with a timely, accurate and detailed quote with CAD drawings. This was great because we could get a really great idea of what to expect and an understanding of what each party was being held to in the contract. Construction was seamless and fun to watch, particularly Zac's artistry on the stone retaining wall. Our property can be tricky with regrading and Rob did have to suggest an on the fly adjustment around our bulkhead, which like the rest of the patio, wall, fire chimney, and gazebo came out sturdy and beautifully blended to the rest of the project. We also contracted Rob to sub-contract the construction of our permanent gazebo, which again great for us. Rob's attention to detail was impeccable, he even requested the sub-contractors return to fill in the pre-drilled kit holes that were unused. I was impressed to say the least! We look forward to many years in our new space! We are a family who loves the outdoors so being able to have some outdoor living space is incredible! I am extremely greatful for the Keim Landscape team! I am in awe of the beautiful project they have installed for us. If you do not give them a call, you are missing out!
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1 change recorded — last scanned Oct 18, 2026.