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AppealSeal

Appeal your home's property tax in minutes to get a refund!

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This is our first full launch! Until now, appealing your property taxes meant hiring an agency that took 30% of your savings or spending hours doing it yourself. AppealSeal makes the whole process effortless. With higher interest rates since the COVID years, it’s more important than ever for homeowners from the last 6–8 years to check if they’re overpaying. No one likes overpaying in taxes!

Top comment

Hey everyone 👋 Philipp here In the past two years I have appeal my property taxes for my SF home and got $2500 back each time. With that excitement I started helping a few neighbors, and they received $5,000–$6,000 refunds each. That’s when I realized how broken and opaque this property tax appeals process is, and how many people are simply just overpaying in taxes. Counties just add 2% a year on your assessment value, even when the market dips and your house is worth less. My home has been overvalued by about $300k for the past 3 years. Appealing the tax base has always meant either hiring an agency that takes 30-35% of your overpaid taxes or spending hours doing it yourself. So I built AppealSeal.com — a simple, data-driven way for California homeowners to check if they’re overpaying and get an assessor-ready appeal package in minutes. It’s free to check your home, and I believe everyone should at least check if they qualify. With increased interest rates and falling prices after COVID, many owners who purchased in the last 6–8 years are likely over-paying in property taxes without knowing it. I’d love for you to try it out and share feedback — happy to answer any questions about how assessors work, appeal laws, or the data behind it. 💸🏠

Comment highlights

I did a re-assessment of my house on my own a few years ago. I got around $1000 back. I wish AppealSeal had been around then. I would have used it.

Not in California myself, but the concept is really smart.

Are you planning to expand to other US states, or is California's system unique?

Good luck with the launch!

And how accurate is the valuation model for homes with unique renovations or features that comps don’t capture well?

How does this handle cases where comps don’t reflect renovations or upgrades?

I just gave this a shot, got my form and have a letter ready to send to CA with a $46 check... All in this is $146. Might save me 1k+ Here's to believing :)

I’d love to recreate this for another state since I don’t live in California. But idk how! Great looking product though.

It’s a really interesting problem you’re tackling. Just curious — have you come across any edge cases based on county-specific rules or different property types? In any case, great to see this product, and congratulations on the launch.

This is great — and it actually did a good job on my property! I went through this process on my own earlier this year (my assessed property value was way over comparables in the area) and the amount I was able to reduce my taxes was pretty close to what AppealSeal found!

As I was going through AppealSeal I was wondering what the catch was, or how you make money.

Since the CTA is "Check Now For Free", I wondered — ok, great, but you're going to charge me for a report, or try to take a % of the refund, right?

Perhaps you could clarify that?

Well done @philippberner!

Congrats on the launch @philippberner !

Love the ease of use of Appealseal and the magic founder touch in helping people get this over the line 🙌

This isn't one product, it is the beginning of a wave of solutions to government/citizen workflows. Love it.

I’ve hated seeing annual increases in tax. Planning to try this out. Thanks Philipp!

Love it. Great example of using AI / development to create efficiency in previously gatekept, outdated systems.

Congrats on the launch @philippberner 👏