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4.7

(526 reviews)

Top-rated tree service pros.

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Avatar for All About Trees
All About Trees
4.8(
73
)

Serving Simi Valley, CA and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"We made an appointment with Valerie for Mike to give us a quote on removing seven cypress trees near our driveway. Mike advised us to have the gas company mark the ground first, as gas lines ran close to where the trees would be removed, a sign of his professionalism and safety awareness. All About Trees provided a reasonable estimate, and Mike’s TCIA membership reflects the high standards of his professional, experienced, and knowledgeable commercial tree care business. On Monday, August 4, 2025, Mike and his crew of seven hardworking men removed the seven cypress trees with precision. We were extremely impressed with their professionalism, friendliness, and diligence. Mike personally oversaw the job, and the crew left the property spotless. Our home looks so much better now. If you’re looking for an honest tree care company that stands far above the competition, All About Trees—and Mike and Valerie—are the ones to call. We highly recommend them."
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+28

Response time1 day
5 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Rock's Tree & Hillside Service
Rock's Tree & Hillside Service
4.7(
39
)

Serving Simi Valley, CA and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"Rock came on time and gave me an estimate of services and talked me through the
trimming and shaping of the trees on my property.  I had three estimates and his was
the best and he seemed to most knowledgeable and straightforward.  I took a night
to review the beds and hired him the next day, they put me on the schedule about
ten days hence.  That day Rock and a large crew of men came with their trucks and
 machinery on time and worked efficiently and quickly.  There were a few things I wanted
Rock to look at that I hadn't worked into my estimate and he was very helpful and
 conscientious.  Absolutely the kind of service people who go the extra
mile to make sure the job is done well and make customers for life.
"
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+26

Response time2 days
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Commercial Tree Services, Inc.
Commercial Tree Services, Inc.
4.6(
436
)

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"MIGUEL ORTIZ @ Commercial Tree Service came to the rescue BIG time  getting a crew in  to top  & lace 2  huge trees I  had (prior to Hillary hitting us Saturday) within 12 hours of our phone conversation. Who does that! Commercial Tree Service is just the Best, fair pricing, qualified crew, timely , considerate of my property and the neighborhood in general. Cleaning  up after the  job. I would  highly recommend them and find  I will  be  using them  for future work. Carol A in Woodland Hills"
Tree Trimming
Tree Removal
Tree Removal
Tree Removal
Tree Removal

+21

Response time2 days
33 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Arboles Care Tree Service, Inc.
Arboles Care Tree Service, Inc.
4.8(
389
)

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"I had my very large Sycamore and Jacaranda tree cut in front of my house. Arboles Care Tree Service did an amazing job from trimming all the way to cleanup. They were very professional, friendly and quick. Would definitely hire again."
Chinese Elm
Palm Trees
Oak Tree
Phoenix Palms
Emergency Call Out

+10

Response time1 day
47 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for LA Arbor Care, Inc.
LA Arbor Care, Inc.
5.0(
15
)

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Excellent Tree Removal Service by LA Arbor Care In March 2023, our plumbers told us that our sewer pipe ran right under our large Deodar multi trunk pine tree, and that the treeâ  s massive roots had detrimentally damaged the sewer pipe leaving us with no other option other than to remove the tree and grind the stump so they could dig a hole under it to repair the pipe. We received four estimates from different tree removal companies. Miguel Lopez at LA Arbor Care did not provide the least expensive estimate, but we felt that his considerable experience, certifications, and great reviews made his firm our best option. We are so pleased that we selected LA Arbor Care to do this work. They did the work exactly as promised, removing the tree safely and efficiently. We were impressed by their work ethic and quality, and they were very careful not to damage the power and data lines that were coming through the tree branches. They were conscientious about leaving the entire work site impeccably clean â  for example, the tree was adjacent to our swimming pool, and unprompted, they cleaned all the leaves and branches that had fallen into the pool during their process of taking down the tree. Miguel and his staff were friendly and professional. I would highly recommend them to anyone who needs tree removal services."
Olive Trees corner view
Olive Trees corner view
*Olive Trees front view
Olive Trees front view
*Certified Arborist

+5

Response time5 hrs
Response rate95%
4 neighbors recently requested a quote
Avatar for Nature's Tree Service
Nature's Tree Service
4.9(
8
)

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"It went good, it took about 2 hrs and 45 min. The only thing is they were an hour late. Overall they did a great job. I would recommend Nature’s Tree Service but suggest they be on time to job."
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+27

Response time1 day
Recommended by100%of homeowners
Avatar for Lead saw tree service
Lead saw tree service
5.0(
19
)

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

Customers say: True professional

"I recently had Lead Saw Tree Service take out a tree from my yard, and it was such a breeze. They were super easy to deal with from the moment I asked for a quote to when they showed up on time and got the job done within the schedule they promised. It made my day so much easier and stress-free. I'd definitely recommend Lead Saw Tree Service for any tree removal job."
Your trusted tree professional!
Bucking with the new Ripsaw 500i. 
Wildland firefighter trained! We specialize in heavy timber removals!
Tree service
Tree service
Tree service

+6

Response time2 days
1 neighbors recently requested a quote
Recommended by44%of homeowners
Avatar for Higo's Lawn Care
Higo's Lawn Care
4.8(
52
)

Serving Simi Valley, CA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"I am still working with this company and I am very happy with their services. They are doing maintenance monthly and also much work in between the maintenance such as irrigation repair and add and drip and also planting and purchasing plants/trees. We have a good relationship and understanding of all that needs to be done. I would recommend them very highly. FILIPPA"
Lawn
New Landscape
Maintenance
Maintenance
Maintenance

+114

Response time11 hrs
18 neighbors recently requested a quote
Recommended by98%of homeowners
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Showing 1-10 of 129
Tree Service questions, answered by experts

Tree roots can take weeks to years to die, depending on the method you use. Chemical herbicides take the least amount of time—typically between three and four weeks—while homemade methods, like covering an old stump with leaves, could take between seven and eight years. If you’re unsure which method to use or how quickly you need to act, consulting with a pro is always a good idea.

Generally speaking, you’ll want to avoid flush cuts, which are cuts made as extremely close to the trunk or main branch. These cuts can weaken your tree, lower its natural defense mechanisms, and even cause decay. You’ll also want to avoid tree topping, which is the total removal of the leader and upper main branches of a tree. 

Most pros will advise against either of these methods, which is why hiring a pro is often the best choice when it comes to tree trimming.

The best way to protect tree roots is to avoid the roots entirely by excavating outside the root radius of the tree. For nearby projects, it’s a good idea to construct a temporary retaining wall. But that’s not always possible, depending on the project and the root system. In these cases, consider using alternative equipment like an auger to tunnel under the ground.

Remember, tree roots can damage nearby cement foundations as they grow. If a tree is close enough to interfere with large excavations, it may be better to remove the tree than risk future problems.

If you’re taking down a tree that you don’t suspect is affected by disease or pests and it’s nowhere near your home or other structures, then calling in a tree company should work fine. However, anything more involved means an arborist is a better option. These pros have years of experience with tree removal and can safely take down trees located next to structures, and they have the tools, sanitization equipment, and experience to remove sick or dying trees without infecting nearby trees. 

Trees naturally want to grow upward, so one may straighten all by itself, though this only comes into play when a tree is leaning just a small amount. For trees growing into an awkward position or those leaning heavily in one direction, the above steps are necessary to ensure the tree gets back on the right path. This also holds true for trees planted in a spot with unstable soil.

The Simi Valley, CA homeowners’ guide to tree services

From average costs to expert advice, get all the answers you need to get your job done.