At Once Pest - Baltimore Pest Control Expert Specializing in Bed Bug Extermination, General Pest Control and Wildlife Exclusion. We are your local Pest Control Experts - Exterminator Serving Baltimore City, Baltimore County, Howard County, and Surrounding Areas. We are happy to announce we are now serving Columbia, Ellicott City, and surrounding areas of Howard County, Maryland.
If you are along I-70, give us a call. We have been servicing our Maryland customers for over 20 years! Our specialists are expert beg bug control professionals - our approach to bed bug control is well-known heat treatment - no chemical approaches to bed bug eradication. In addition, we offer low chemical and fungus spore treatments for bed bugs.
What makes us different from many of our competitors is our high-tech, scientific approach to pest control. We treat each house or apartment as an independent eco system. We specialize in comprehensive pest control and exclusion. We are not someone offering you a treatment we cannot provide or a solution we cannot deliver.
If you are along I-70, give us a call. We have been servicing our Maryland customers for over 20 years! Our specialists are expert beg bug control professionals - our approach to bed bug control is well-known heat treatment - no chemical approaches to bed bug eradication. In addition, we offer low chemical and fungus spore treatments for bed bugs.
What makes us different from many of our competitors is our high-tech, scientific approach to pest control. We treat each house or apartment as an independent eco system. We specialize in comprehensive pest control and exclusion. We are not someone offering you a treatment we cannot provide or a solution we cannot deliver.
Services
My name is Marc Cohen and I was born here in Baltimore. I attended the University of Maryland and graduated with a BS in zoology and science education. Animals have always been my first love. Upon graduation I taught life science at the Jemicey School in Owings mills. I left Jemicey to start a business called Safari Party.
Reviews (21)
Brad Crockett
Nov 24, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Marc is extremely knowledgeable and thorough. We have trusted him to take care of our home on a number of occasions and he always does a great job. His professionalism sets him apart. Don't hesitate to call Marc and At Once Pest Control.
Marc is extremely knowledgeable and thorough. We have trusted him to take care of our home on a number of occasions and he always does a great job. His professionalism sets him apart. Don't hesitate to call Marc and At Once Pest Control.
Douglas Reiner -State Police
Aug 23, 2021
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I have had a mice problem for a few months, called At Once and they responded to my residence within a day. They immediately set out traps and bait. The workers who responded were extremely respectful and thorough. At Once plugged the exclusion points on the outside and inside of the house and within in no time I have not seen another mouse. At Once prices are extremely reasonable and both the owner and workers were amazing. I highly recommend At Once for any pest control needs.
Dena Sandler
Aug 20, 2021
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Marc arrived promptly as promised. He was quick efficient, and very competent. He was very knowledgeable about bats, including their behavior patterns and solutions to the problem. He was able to easily identify where it got in and seal the area. Im so relieved to have found this business. Thanks so much Marc for helping us through a difficult experience! We referred a friend and she was just as happy.
Ruth Taylor
Jul 27, 2021
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I am in property management and I've hired many exterminators. At once Pest Control is by far the best one I have ever hired. The house they treated was crawling with roaches and fleas and after just two treatments they were gone. I highly highly recommend this business. They were on time and very reasonably priced for the fantastic job they performed.
Debra Roth
Jul 23, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Mark and his team were very thorough in helping us through a raccoon issue. They did not stop until the problem was fully mitigated. And they monitored the job over weeks. Pricing was extremely fair. These people truly care about getting it right.
Service:Â Wildlife
Mark and his team were very thorough in helping us through a raccoon issue. They did not stop until the problem was fully mitigated. And they monitored the job over weeks. Pricing was extremely fair. These people truly care about getting it right.
Service:Â Wildlife
David Aaron
Jul 14, 2021
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Cristina Green
Jun 14, 2021
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Marc came out the day after I called concerned about 2 wasp-like critters I found in my toddler's room. I was concerned there may be a nest in the attic as she has an access via her closet to the attic. Marc and his assistant thoroughly searched our attic and found no evidence, and upon figuring out through pictures which type of insect it was (mud dauber), he left without charging me for the inspection and left me also with peace of mind as they are not aggressive. I'll keep an eye out to see if I can spot them coming in, but my mind is at ease, now.
Chau To
Apr 01, 2021
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I used At Once company last year. I found big holes in my back yard and the tunnels were right next to the house. Marc and his team were very fast to diagnose and apply protective fence. I also use the company for roach and mice issues. Just talk to Marc, you will have the answers you need. They provide professional work with an affordable price. Highly recommended!
Lynn R.
Mar 12, 2021
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I call him the BAT MAN. I am a bit late with my review, and for that I apologize to other customers because this is the very best place to call when you have a pest issue. Marc, the owner does a lot of the work himself, and all of the investigating to see what unwanted critters are in or around your home. Marc is EXTREMELY knowledgeable about the ins and outs of pests that decide your home is theirs. and that was very helpful, as I was a bit freaked out. In our case it was BATS! We found a dead baby bat in our basement. Apparently it was the time of year when Mom's have the bat kids IN OUR
Pamela Brown
Jul 17, 2020
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Om H.
Jan 25, 2020
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Msjkay K.
Apr 09, 2019
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I regret calling this company.
They charged me $550 for putting out a few mice traps in the attic and sealing a couple of cracks. No guarantee on the work done, no second visit.
After their guy left, my ceiling fan stopped working. The owner came, checked the attic, denied any wrongdoing and recommended his friend, an electrician, who could come and check it and he would take responsibility if that was the electrician's conclusion. When talking with his friend over the phone, he already told him that it was not his company's fault.
The owner is plain weird. My 11-year-old daughter was
They charged me $550 for putting out a few mice traps in the attic and sealing a couple of cracks. No guarantee on the work done, no second visit.
After their guy left, my ceiling fan stopped working. The owner came, checked the attic, denied any wrongdoing and recommended his friend, an electrician, who could come and check it and he would take responsibility if that was the electrician's conclusion. When talking with his friend over the phone, he already told him that it was not his company's fault.
The owner is plain weird. My 11-year-old daughter was
B. C.
May 23, 2018
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I was entering my home when I saw part of a snake including the head hanging from underneath the siding and then quickly disappear inside the siding. I was concerned that the snake would get into my basement, so I called several wildlife control companies until I found At Once Pest Control that could come out the same day to catch the snake. Marc Cohen did a fantastic job of finding a 4-foot-long black snake crawling along the basement interior wall behind the insulation. I can't thank Marc enough for capturing the snake and removing it from my home to be taken to a new home far away. At
Keith B. Parsons
Sep 03, 2017
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Claudia W.
Sep 21, 2016
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Mark & his team did such an amazing job at taking care of our bug problem. They came the day we called for an estimate, gave reasonable pricing, and came just the next morning to exterminate!!! Everyone is very friendly and personable. Will definitely call again if we ever need an exterminator! Thank you Mark!!
Carrie C.
Sep 22, 2015
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Mark was very helpful and came to meet us late at night to discuss options for our pest control. Very knowledgeable and thoughtful. He took a considerable amount of time answering our questions and helping us come up with a game plan. He offered many different solutions and even suggested others who might better suit our needs.
Jeri A.
Nov 18, 2013
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I have used Mark since 2007 for several different issues. I did a rehab in 2007 and the house had horrible roaches. There were actually roaches in the refrigerator. That is how horrible the conditions where. Thanks to Mark problem hard work the was solved.
I also have a rowhouse with a garden area close to a commercial area. Rats really like nesting in the garden. I keep a contract with At Once for controlling this situation. They come out a couple of times a year when the rats are active. I found this to be the most effective method to keep the garden / patio useable all year without rat interfaces
I also have a rowhouse with a garden area close to a commercial area. Rats really like nesting in the garden. I keep a contract with At Once for controlling this situation. They come out a couple of times a year when the rats are active. I found this to be the most effective method to keep the garden / patio useable all year without rat interfaces
D. C.
Nov 10, 2013
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Unlike many reviews which are written days after treatment, this review is being written four months after treatment to accurately assess its efficacy. To summarize, our bed bug problem has been resolved, and I am very happy with the level of service and cost given by At Once Pest Control!
The details: I live in a two-story rowhome and suspect bed bugs had managed to lodge themselves between floors. As a result, it was very difficult to find signs of them. Gary from At Once Pest Control came to my home and spent about 90 minutes very diligently looking for them and found a couple in some very
The details: I live in a two-story rowhome and suspect bed bugs had managed to lodge themselves between floors. As a result, it was very difficult to find signs of them. Gary from At Once Pest Control came to my home and spent about 90 minutes very diligently looking for them and found a couple in some very
Slk C.
Jul 29, 2013
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Owner of At Once Pest Control, Mark Cohen, is a very experienced & accommodating exterminator. When he & his co-worker came to our home to determine whether we indeed had bed bugs, they scheduled an immediate treatment appointment. Mark & his team were always attentive to our calls & needs as concerned customers. He made it a point of coming on his day off to help ward off the pesky bugs. Although they sweat bullets during the extermination process, Mark & his team never once lost their cool. They were professionals from start to finish. Mark runs an honest company whereby
Melissa K.
Oct 20, 2012
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Responsive and thorough!!! My plumber found a snake in my basement on a Friday afternoon. I called At Once Pest Control, and they came out first thing Saturday morning, searched my entire basement, set traps, and then searched the entire foundation of the house to find the entry point. When they didn't have the right materials in the truck to close up the holes, someone else came out a few hours later to finish the job. One year warranty, a promise to take away any snakes found on the traps, and the relief that knowing no new ones can get in, all for $250. Priceless!!!!
Carrie W.
Feb 17, 2012
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I had four very active, very noisy squirrels nesting in my ceiling that were driving me up a wall. Facing the fact that it was either me or them, the Love of My Life called At Once to see if they could help.
They were, indeed, the Chuck Norris of pest control. Those little rodents were trapped as neat as you please. Three of them were removed swiftly, while the fourth unfortunately froze itself to death in the trap during the last snow/ice event. I was perfectly content to let it remain in the trap and disintegrate, just like in Renaissance England with the heads on pikes. Sort of a grisly
They were, indeed, the Chuck Norris of pest control. Those little rodents were trapped as neat as you please. Three of them were removed swiftly, while the fourth unfortunately froze itself to death in the trap during the last snow/ice event. I was perfectly content to let it remain in the trap and disintegrate, just like in Renaissance England with the heads on pikes. Sort of a grisly
