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Get in Touch with Us - We’re Here to Help!

Welcome to our contact page! Looking to buy a used boat? We’ve been there. You just want insurance so you can get on the water? We hear you. If you’re like us, your boat is more than a floating structure. It’s a significant and most enjoyable part of your life. Let us help you get on the water safely and confidently with our high quality marine surveys.

If you have any questions, comments, or need assistance, we’re here to help. Whether you're looking for more information about marine survey services, oil analysis consulting, need support, or want to discuss a new project, we’re just a message away. Reach out to us today and see how we can assist with your boat survey or oil analysis needs.

How to Reach Us

You can easily reach John Sewall by choosing one of the options that best suits your needs. John and his wife Leslie, who manages the office, will ensure that your inquiries are addressed quickly and efficiently.

Phone Support

If you prefer to speak directly with John, feel free to give him a call or send him a text. Voicemails are answered within 24 hours. Call us today at 207.805.4532 for fast and reliable support.

Email Us

For specific inquiries, you can also send an email directly to: sewallsurvey@outlook.com
We aim to respond to all emails within 24 hours.

In Person

We are located in the Portland, Maine area. Contact John to set up an in-person meeting.

We value your feedback and look forward to hearing from you. Thank you for choosing Sewall Marine Surveying. We’ll make sure your experience is as seamless and pleasant as possible.