Paperstac vs FIXnotes
Paperstac pairs public listings that show asking prices and yields with an online closing workflow; FIXnotes focuses on non-performing residential notes, with buyer qualification and free education alongside the listings.
Updated October 2026
| Feature | FIXnotes | Paperstac |
|---|---|---|
| Marketplace | ||
| Live Note Marketplace | ||
| Buyer Qualification Flow | ||
| Deal Calculator | ||
| Investor Tools | ||
| Due Diligence Tools | ||
| API Access | ||
| Education & Community | ||
| Knowledge Base | ||
| Community Chat | ||
| Access & Pricing | ||
| Free to Browse | ||
| Seller Tools | ||
| Platform | ||
| Mobile Usable | 8 | |
- Paperstac runs an identity (KYC) check on every account through Stripe; it does not document a proof-of-funds or experience review.
- Every Paperstac listing shows a computed yield, ITB, ITV and LTV; it has no stand-alone calculator outside its paid Academy.
- Paperstac pulls Zillow valuations into each listing and offers an optional collateral verification at closing through its audit partner; other due-diligence documents come from the seller or vendors.
- Paperstac publishes a servicer integration guide for loan servicers, not a general listing API.
- Paperstac publishes a free help center with an education section for buyers, a blog, a weekly podcast and a YouTube channel, and sells a paid Academy.
- Paperstac's paid Academy includes a weekly live call; there is no free standing community call.
- Paperstac's listings and note terms are public; an account is needed for the street address, seller contact and offers.
- Mobile usability was not independently verified at time of review.
Marketplace & Listings
Both platforms list mortgage notes for sale publicly. As of October 2026, Paperstac's listings show an asking price with a computed yield, investment-to-balance, investment-to-value and loan-to-value figures, and cover mortgages, deeds of trust and contracts for deed, as single assets or pools. FIXnotes lists individual residential notes, most of them non-performing, with state, lien position, balance and performance status on each listing; buyers make and negotiate offers on the asset page.
Investor Tools & Due Diligence
Paperstac computes yield and LTV metrics on every listing and pulls Zillow valuations into a listing's due-diligence section; due-diligence documents come from the seller or partner vendors, and a collateral audit is available at closing. FIXnotes offers a free deal calculator and three free Property Lens property reports a month; NPL Explorer and the full FIXnotes Market Index come with paid membership.
Education & Community
Paperstac publishes a free help center (with an education section for buyers), a blog, a weekly podcast and a YouTube channel, and sells a paid Academy that includes a weekly live call. FIXnotes publishes a free Knowledge Base and runs a free bi-weekly Community Chat on Zoom for logged-in members.
Access
Paperstac's listings and note terms can be viewed without an account; a free account is needed to see a property's street address, contact a seller or make an offer. FIXnotes' listings are public too; making an offer requires qualified-buyer status.
Support & Trust
Paperstac runs an identity (KYC) check on every account through Stripe and publishes its process in a public help center. FIXnotes is run by Robert Hytha, a practicing note investor, qualifies buyers before they make offers, and publishes the FIXnotes Market Index, built from sales completed on its marketplace.
Who is Paperstac best for?
Paperstac pairs a public listing marketplace with an online closing workflow (escrow, notary and a collateral audit). It suits buyers and sellers who want to see asking prices and yield metrics up front and close the transfer inside one platform.
- Buyers who want to compare asking prices and yields across many listings
- Sellers and brokers who want listing and closing in one place
- Investors buying contracts for deed and land notes as well as mortgages
Who is FIXnotes best for?
FIXnotes lists individual residential mortgage notes — most of them non-performing — from verified sellers. Buyers qualify before making offers, and an accepted buyer gets a 3-week exclusive due diligence window. The Knowledge Base, deal calculator and a bi-weekly Community Chat are free; deeper research tools such as NPL Explorer come with paid membership.
- Buyers focused on non-performing residential notes
- Investors who want free education and a live community call alongside listings
- Buyers who want a fixed, exclusive due diligence window after acceptance
Other alternatives to Paperstac
- FIXnotes marketplace — individual residential mortgage notes, browsable by state
- Watermark Exchange vs FIXnotes — Membership-based exchange for performing and non-performing notes and liens
- Debexpert vs FIXnotes — Auction platform for debt portfolios, including real estate notes
Frequently Asked Questions
- What are Paperstac notes?
- "Paperstac notes" usually means the notes listed for sale on Paperstac's marketplace. As of October 2026 its public listings include performing and non-performing mortgages, deeds of trust and contracts for deed — single assets and pools, including notes secured by land. Paperstac is sometimes misspelled "Paperstack".
- Is Paperstac free to use?
- Paperstac says it is free to browse, bid and list, and charges a fee at closing (1.85% with a $375 minimum, per its homepage in October 2026). Its listings and note terms can be viewed without an account; a free account is needed to see a property's address, contact a seller or make an offer.
- What does Paperstac offer that FIXnotes doesn't?
- Paperstac shows an asking price and a computed yield, ITB, ITV and LTV on every public listing, carries contracts for deed and land notes, and runs closings online with escrow, notary and a collateral audit. It also sells a paid Academy with a weekly live call.
- What does FIXnotes offer that Paperstac doesn't?
- FIXnotes qualifies buyers before they can make offers, gives an accepted buyer a 3-week exclusive due diligence window, and includes a free Knowledge Base and a free bi-weekly Community Chat. Its research tools include NPL Explorer, built from bank call reports, and the FIXnotes Market Index of completed sales; the full versions come with paid membership.
- Which platform is better for buying mortgage notes?
- It depends on what you buy and how you like to work. Paperstac suits buyers who want to scan many asking prices and yields and close online. FIXnotes suits buyers focused on non-performing residential notes who want qualification, a fixed due diligence window and free education alongside the listings. Many investors use more than one marketplace.
Ready to explore the marketplace?
FIXnotes is free to join — no commitment needed.