top | item 46139761

Show HN: I built a dashboard to compare mortgage rates across 120 credit unions

393 points| mhashemi | 3 months ago |finfam.app

When I bought my home, the big bank I'd been using for years quoted me 7% APR. A local credit union was offering 5.5% for the exact same mortgage.

I was surprised until I learned that mortgages are basically standardized products – the government buys almost all of them (see Bits About Money: https://www.bitsaboutmoney.com/archive/mortgages-are-a-manuf...). So what's the price difference paying for? A recent Bloomberg Odd Lots episode makes the case that it's largely advertising and marketing (https://www.bloomberg.com/news/audio/2025-11-28/odd-lots-thi...). Credit unions are non-profits without big marketing budgets, so they can pass those savings on, but a lot of people don't know about them.

I built this dashboard to make it easier to shop around. I pull public rates from 120+ credit union websites and compares against the weekly FRED national benchmark.

Features:

- Filter by loan type (30Y/15Y/etc.), eligibility (the hardest part tbh), and rate type - Payment calculator with refi mode (CUs can be a bit slower than big lenders, but that makes them great for refi) - Links to each CU's rates page and eligibility requirements - Toggle to show/hide statistical outliers

At the time of writing, the average CU rate is 5.91% vs. 6.23% national average. about $37k difference in total interest on a $500k loan. I actually used seaborn to visualize the rate spread against the four big banks: https://www.reddit.com/r/dataisbeautiful/comments/1pcj9t7/oc...

Stack: Python for the data/backend, Svelte/SvelteKit for the frontend. No signup, no ads, no referral fees.

Happy to answer questions about the methodology or add CUs people suggest.

130 comments

order

vgeek|2 months ago

Good idea. A few years back I built https://originationdata.com that compares mortgage lenders (both FDIC & FCUA members) using HMDA data. I modeled rates by lender, product type as well as by facets like MSA (as well as STL FRED data, too). It grew for a few years and I was ecstatic-- getting backlinks organically from some impressive sites (e.g. larger banks themselves, consumer publications) as well as positive user feedback. Then Google pushed their "Helpful Content Update" and Google search traffic absolutely tanked, so I kind of abandoned it and moved onto other projects that won't be SEO oriented, since Google's view of quality is unbeknownst to me.

ekjhgkejhgk|2 months ago

Hey I really like the aesthetics.

> Then Google pushed their "Helpful Content Update" and...

May I just say, no matter what you work on, a separate piece of work will be getting people to know about it.

So fine, people can no longer find you on google. But if your website is truly useful, people will keep talking about it and linking to it, no?

Anyway, what are you working on now?

gbasin|2 months ago

I still use this regularly :) thanks for building it. any interest in open sourcing? i can help

mhashemi|2 months ago

Oh snap! I was just looking at originationdata.com this week! So awesome. I had originally hoped HMDA data was more than annual, but no luck. It's also a shame that the current admin turned off the data stream here: https://www.consumerfinance.gov/owning-a-home/explore-rates/

I thought maybe you'd been hit by that update, but even more bummed to hear Google enshittification struck again.

ralph84|2 months ago

Nice work.

Navy Federal has always had competitive rates: https://www.navyfederal.org/loans-cards/mortgage/mortgage-ra...

Membership requires a military connection in the family, but it can go back to grandparents: https://www.navyfederal.org/membership/eligibility.html

jp191919|2 months ago

I was able get membership via a family member that works for DoD, non-military.

mhashemi|2 months ago

Love a public rates page. Added to my list for tomorrow.

CommenterPerson|2 months ago

Nice Work!

I found our credit union posts the mortgage rates clearly on a plain text like page. There's no BS and no games. Whereas with the big banks, you get the games and higher rates .. no matter if they have records of 10 years of your salary deposits. When I tried to suggest credit unions to friends, I got looks. Like, people just assume what everyone else does (get conned by big banks) is good.

malnourish|2 months ago

I too have noticed an inexplicable apprehension about credit unions, even large ones such as Wings. They are almost uniformly better for individuals than big banks, yet people imagine a scenario where they'll need to withdraw cash in the middle of the Mojave so they need WF. Spoiler: 1) you won't and 2) you still can.

ssl-3|2 months ago

When the question is "How do I ask a friend if they're in a credit union," then the answer is:

"You don't. They'll tell you."

seesaw|2 months ago

I have had bank accounts only with credit unions for the last 20 years. I have never found a need to open an account with one of the big banks. That said, people look at me like I’m crazy when I mention this.

mhashemi|2 months ago

If you'd like, I'd be happy to add that CU to the roster. Hoping to do more to make the full range of market options more mainstream.

throwaway2037|2 months ago

    > Estimated monthly payment based on purchasing $400,000 home with 20% down, $567/mo taxes and insurance, and 1.65% closing costs.
Does anyone know the source of these numbers? Example: The are national median values.

Except maybe Texas, where else can you buy a house/apt in the US near a major job center for only 400k?

smt88|2 months ago

Atlanta, Charlotte, Phoenix, Philadelphia, Chicago, probably many others

Are you in CA, NY, or MA? I wonder if your scale is skewed.

mhashemi|2 months ago

Those are just some medians I either Googled or LLM'd to act as defaults. You can click that sentence and change all those values to estimate.

FuriouslyAdrift|2 months ago

Indianapolis... but it's drying up fast (avg price is almost $400k, now, but there are still decent choices in older neighborhoods)

North side of Indy (Carmel, Fishers, Geist) is listed as one of the best places to live in the US.

xboxnolifes|2 months ago

How close do you consider near? <400k is within 30 minutes of a major Hub in a lot of the US.

potato3732842|2 months ago

>Except maybe Texas, where else can you buy a house/apt in the US near a major job center for only 400k?

Rank cities from most to least negative characterizations of their residents and/or politics on HN.

That'll approximately be your list.

sebmellen|2 months ago

Pittsburgh

duraace2|2 months ago

At first glance, this site seems fantastic! Great job! (As a side note, I've been reading Hacker news for years but have never been active; I created an account just to make this comment)

satellite2|2 months ago

Are those really standardized in the US?

Where I live the condition vary widely. And basically the switching costs might easily dominate the total costs if you move/sell.

I've found that taking this into account it was better to trade a few places in term of interests for better conditions.

mhashemi|2 months ago

Yes, extremely, especially for confirming loans: https://singlefamily.fanniemae.com/originating-underwriting/...

Patrick McKenzie (https://news.ycombinator.com/user?id=patio11) has a great deep dive on this: https://www.bitsaboutmoney.com/archive/mortgages-are-a-manuf...

Closing/switching costs are certainly a consideration still, but the "Truth in Lending Act" (TILA) made it easier to compare the all-in cost by providing a standardized APR number, which is what the dashboard focuses on.

BowBun|2 months ago

Having worked in mortgage, two important points: 1. Credit unions and large banks do not have access to the same vault of loan products at the same rates as each other. Fannie and Freddie offer rate discounts at volume. 2. Credit unions typically do not run mortgage programs for profit, unlike big banks. This also contributes to their ability to eat your cost.

Tit-for-tat, if you reduce it all down, the Chase's and Wells' should be able to offer the better terms based on their agreements with GSEs/secondary markets.

In reality, no one is getting the product at face value, so opportunities like this will exist, and you can take advantage of it like in these cases.

potato3732842|2 months ago

There's also specialization and process optimization that big banks do that little CUs simply don't have the volume to justify. If someone buried deep within BofA or Chase or some other national entity looks at your stuff and says some factor that's marginal makes it a no-go for some product that's the end of it despite being offset by some other factor that's out of the ordinary in a good direction. At a credit union with the process broken down across fewer people the person making that decision is more likely to be able to see that the big picture math still works for a given product.

msuniverse2026|2 months ago

God I wish we had 30 year fixed mortgages here in Australia. Imagine getting one of those during covid when rates were below 3%. Incredible.

cortesoft|2 months ago

There are downsides.

I have a really great rate on my mortgage, but our house is super expensive and small for our family… but now we can’t afford to move.

If we moved to a new house, we would have to pay off this great mortgage and get a new one, at a much higher interest rate. Even if we found a house that cost the exact same as ours, the monthly payment would be 50% higher, because current interest rates are more than twice what we have. We are locked into our house.

jackfranklyn|2 months ago

Same in the UK. We typically get 2 or 5 year fixed deals, then you're expected to remortgage or you end up on the lender's standard variable rate (usually painfully higher).

My first mortgage was a 2-year fix at 1.89% during covid. When that ended I had to remortgage at nearly 5%. That was a fun conversation with my partner.

The US system is genuinely unusual globally. Fannie Mae and Freddie Mac basically absorb all that interest rate risk that would otherwise sit with borrowers. It's a massive implicit subsidy that most Americans don't fully appreciate.

venturecruelty|2 months ago

Listen. I'm sure they seemed like a good idea at the time, but we tied them to retirement (so your entire material wealth is stuck in an illiquid asset that also falls apart slowly over time), and now we can't build any new housing because people think it will affect their golden years. Learn from our mistakes.

denimnerd42|2 months ago

just makes the prices higher... you qualify for a house based on ratio of income to payment. so the demand is heavily influenced by the type of financing available..

Other than natural demand, Australia has a high real estate market due to the tax and a superannuation/pension distortions. Should try to fix those first. (probably impossible)

IceDane|2 months ago

I have friends on 1% fixed rates over 30 here in Denmark. Bastards.

mhashemi|2 months ago

Haha, wait until you hear about our fancy 50-year mortgages we'll be getting any day now!

But seriously, my favorite discovery when researching CU mortgages is the prevalence of the 15/15 ARM. It's fixed for 15 years, and then adjusts once. Most people refinance within 7 years, or move within 12. So it's like a 30Y fixed, but comes in at 20 basis points cheaper (0.2% lower APR).

calmworm|2 months ago

Cool concept, but it doesn’t account for assumptions the sites make when displaying rates. Not something to you can really account for across the board though is it? Like “assuming a $300k loan on a home valued at $600k” to get a low 5’s rate… for example.

mhashemi|2 months ago

Definitely. Unlikely that anyone starting here will get exactly the estimated monthly payment, especially as it takes time to lock in a rate and rates can change daily. What it does do is only use APRs to give as much of an apples-to-apples comparison as can be had. Click any entry in the table to go through to the CU's site, which usually has some means of getting a more accurate rate and/or quote.

Epa095|2 months ago

Good work!

Does anyone else think that the government should do something like this? Either enforce that vendors sends their offers to a central database which is publicly accessible, or at least make it available so the vendors can choose to send data there (maybe enforce it for big vendors, to get it started).

In general I think it makes sense for the government to be responsible for the market place, and the infrastructure around the market. The data should be avaliable publicly through a API so one could build different frontends and analysis services on it.

Example markets are electricity, deposits, mortgages, housing.

Loughla|2 months ago

Everyone should switch to a local credit union.

The rates are better, they're entirely local, and they're usually not trying to actively screw you.

morelandjs|2 months ago

The customer service is better. Rates are generally way better. The downside is generally their phone apps and their fraud departments. I had a lovely credit union but their CC was basically unusable because they hired some crummy and over aggressive fraud detection third party that would lock down my card any time there was a strong breeze.

latortuga|2 months ago

It's always fun to open the front page of HN and see a familiar face. I went to college with this guy! Congrats on shipping Mahmoud!

mhashemi|2 months ago

Haha, my uncreative username betrays me once again. Small world! Congrats on founding to you, too!

JensRantil|2 months ago

I find it somewhat interesting that a US 30 year fixed mortgage is 5,49%, while a 10 year fixed mortgage in Sweden currently is at 3,6%[1]. Big difference!

[1] https://www.compricer.se/borantor/

potato3732842|2 months ago

A lot of that is from the term. Rate goes up with term. A 10yr or a 15yr in the US would have a lower rate

amenghra|2 months ago

If you are comparing across currencies you have to take each currencies expected inflation rate into account.

bluGill|2 months ago

My credit union gives me better rates if I'm "active", which means some number of transactions per month. Thus you really need to pick a credit union and start using them a few months before if you want the best rates. (maybe, depending on how that credit union works)

mhashemi|2 months ago

Yeah, there's a somewhat wide variance in CUs, in terms of rates, quality of service, etc. I called a few just to spot check and these public rates are supposedly about as good as they can do. From what I gather, even the large CUs (like Transportation FCU) just don't have that sophisticated of an operating model.

cubes|2 months ago

Curious, where did you source the data from? Did you just scrape the invidividual bank web sites?

lefstathiou|2 months ago

The Credit Union Mortgage Association can make the crawling easier via this link: https://mortgages.cumortgage.net/start_up.asp

mhashemi|2 months ago

That's actually where I started! Majority (but not all) of the institutions present on the dashboard are from the CUMA :) I don't technically crawl that portal, but their robots.txt certainly seems to encourage it. Great resource.

aliljet|2 months ago

This is absolutely fantastic. I wish this included commercial loans like DSCRs...

mhashemi|2 months ago

Thanks! Re: DSCRs, point me to the data!

robowo|2 months ago

This is awesome! I wish there was sth similar for Europe! In Germany you have to go to a morgage broker and trust that his self-interest is aligned with yours :D

modo_mario|2 months ago

I pay a below 1% fixed rate for a 20 years mortgage since 4 years ago here in Belgium

I went to a mortgage broker first who offered me worse tho not necessarily bad rates with other banks as an option. The 2 best options I found were not on his roster. The mortgage broker did say he preferred not taking insurance discounts as those insurance cost could go up up to a maximum and couldn't then be renegotiated separately. But so far it's been better for me and of course that broker would also have negotiated the separate insurance and gotten his cut.

dominicrose|2 months ago

The current rate in France is more or less 3.2% for 25 years. It's better than the rates we see on this page but as someone who bought at a rate of 1% (1.75% real rate, something like that) I strongly advise people not to have a 33% debt ratio.

This is the max allowed by banks but it's a huge risk compared to renting which is basically risk-free. Buying something less expensive to have a smaller debt ratio may be better than renting.

ps: comparing rates alone isn't fair because Europe has a lot more taxes

t_mann|2 months ago

Great initiative and beautiful site! Tiny nitpick, the wrapping of the controls above the table on my phone could probably be improved. What did you use for the table?

joshuamcginnis|2 months ago

Very cool. Can you tell us the tech and tools you used to reliably scrape? or get all of the rate data from the various websites?

mhashemi|2 months ago

It's more manual than you might think! Sent a message to the email in your profile with more details :)

eagrt4tdg|2 months ago

Very nice! I would be great if there was also a way to see rates for investment properties.

mhashemi|2 months ago

I'd say the exact rate as displayed might not matter as such. It's more a discovery tool for folks to find a competitive CU that they're eligible for. If the CU looks good for one type of rate, it's probably worth exploring for others.

ta12653421|2 months ago

good one, mission accomplished! ++1

Ideas for monetization: Setup an automatic email alert if prices are changing for a given area and charge 5 USD per year per user.

Also you could extend this project and sell it later to one of the financial mags / publishers / websites.

immy|2 months ago

I'd be into that, maybe. I guess if I could find an APR 0.5% better than what I've got, I'd refi. I wouldn't have subscribed last year, but now that rates are dropping, it's worth tuning in. But there is a voice of doubt: I'll probably hear about lower mortgage rates in a news headline or my original broker might even reach out.

redindian75|2 months ago

Do you do daily scraping to get fresh data? or use services like firecrawler or something?

mhashemi|2 months ago

Yeah, it's partially automated. It doesn't use firecrawler or any other services (other than Render for hosting).

ambicapter|2 months ago

"Rates" dropdown doesn't seem to work. I'm using uBlock Origin.

mhashemi|2 months ago

Pushing a fix to this now. Assuming we're seeing the same thing: clicking the checkbox doesn't work, but clicking the label should. Should be right as rain shortly. Thanks!

xnx|2 months ago

> No signup, no ads, no referral fees.

Nice

nunez|2 months ago

I didn't do a CU for my mortgage (mostly because my lender is awesome and I'm happy with our rate), but I did for my recent auto loan and moved my accounts to them.

NIGHT AND DAY DIFFERENCE. customer service is fantastic and their online banking app/website is no bullshit. It even supports TOTP 2FA, which I definitely wasn't expecting given that the huge bank I came from didn't for some reason.

Can't recommend a credit union enough.

mhashemi|2 months ago

Real talk, it's so hard to find TOTP 2FA in banking.

jameson|2 months ago

Love it! Where do you get the data?

thedudeabides5|2 months ago

nice, more people should do stuff like this

ryandrake|2 months ago

Great work. I used to use Bankrate for this, but its UX has gone to shit over the past few years, so it's nice to have an alternative!