1. Sierra Mobile RV

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Port Isabel, TX

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Sierra Mobile RV

3.5 (26 reviews)
Closed • 9:00 am - 5:00 pm

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Connie F.

We are parked at the KOA. & suddenly our power just died. After checking breakers, etc we called Sierra for help. Reuben came out within 30 minutes & checked our electrical. Whatever he did was pretty simple I guess & we were up again! We are thankful it wasn't the expensive issues we imagined it might be!! This is a very professional business. We highly recommend them if you have problems with your Rv

I wonder where water enters?  Sierra RV can't figure it out. They put that outer sweep gasket on twice!

They were unable to resolve a water leak after trying 10+ times. I finally pulled the topper off to see what was going on. Once I removed the outer sweep gasket, I saw they have been trying to get sealant behind the inner sweep without taking it off. Huge mess I had to clean up. Steer clear of this company

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5 months ago

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8 months ago

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1 year ago

Prompt service. The technician explained everything and took pictures to show me the issue. Reasonable pricing. Came right to my campsite

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3 years ago

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3 years ago

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8 years ago

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5 years ago

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3 years ago

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5 years ago

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8 years ago

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3 years ago

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4 years ago

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11 years ago

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5 years ago

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10 years ago

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5 years ago

Came here to buy some parts while on vacation. They had everything we needed. Thanks so much!

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7 years ago

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7 years ago

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10 years ago

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12 years ago

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11 years ago

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8 years ago

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9 years ago

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11 years ago

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Melissa S.

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Review Highlights - Sierra Mobile RV

“It's not work they do but the owner (Joe and his wife) spent after hours finding a mechanic who could do the work.”

Mentioned in 3 reviews

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Optimum RV

Optimum RV

(3 reviews)

Optimum RV in Harlingen, Tx provided the Best customer service we've had in a long time. Our…read moresalesman, Ian, was awesome! He listened to our needs and showed us the perfect Travel Trailer that met our needs for a Double Axle trailer. Juan, the Finance person that closed the deal for us was awesome too. Andrew, the Prep and Delivery Service person was great too! We had driven more than 240 miles to look at a specific used Double Axle Trailer that was listed for a great price. We decided paying a little more for a new Trailer would be better for us. Thankful for the great customer service and quick response to our online inquiry that Saturday evening. Ian had come in on his only day off, Sunday, to assist us since we were coming from out of town. Thank you for going above and beyond for us! We highly recommend Optimum RV if your interested in buying a RV.

Who ever the lady is doing the tags is trash, been waiting on my tags for a while, decided to call…read moreto see what the deal was, tags get sent there then mailed out to me. Called last week the lady had my tag for who knows how long, said it would be mailed out. Been over a week now and no tag. Called again today telling me its been completed? What has? The registration she said, I said well who ever I talked to last week said the tag was there and would get mailed out. Things got heated on my end because ive been expecting my tag, trailer was purchased July 4th,2026. So she said she would go look and see if it was there, long behold ITS STILL THERE. So that set me off even more. Yeah things got heated on my end but still I have the right to be, where's my Fking tag for my plate, then she hung up on me. I will be calling their corporate office to put a complaint in on how lazy the title and tag department is and how they dont do their job. DONT BUY SHIT from these people

Sierra Mobile RV - rvrepair - Updated October 2026

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