New Condo Reserve Rule 2027: What Charleston Buyers Need to Know Before January

Is a New Condo Reserve Rule Going to Affect Your Charleston Purchase?
Starting with loan applications dated January 4, 2027, Fannie Mae and Freddie Mac will require condo associations to budget at least 15% of their annual assessment income toward reserves, up from 10% today. The rule triggers off your loan application date, not your contract date or your closing date, so a buyer under contract in November or December 2026 can still get caught by it if financing is not locked in before the cutoff. If your building's board has not funded up to that level yet, your unit can lose warrantable status in the middle of a transaction. Local lenders are already building financing workarounds for buyers who get caught in that gap.
By Brett Kelley | August 6, 2026
What's Actually Changing, and When
This is not a single January 1 flip. Fannie Mae and Freddie Mac announced the full package on March 18, 2026, and it is rolling out in stages.
July 1, 2026: Master insurance policies can now carry a per-unit deductible up to $50,000, with individual owners' HO6 policies expected to cover the gap.
August 3, 2026: The old "Limited Review" shortcut for condo mortgage approval goes away entirely. Every building with 11 or more units now needs a Full Review, and the baseline reserve-funding method that let some associations skate by is banned.
January 4, 2027: The reserve line itself moves from 10% to 15% of annual budgeted assessment income, for loan applications dated on or after that day.
One correction worth making, because I have heard this framed as a new South Carolina law: it is not. This is coming from Fannie Mae and Freddie Mac, the two entities that back the large majority of conventional condo mortgages in this country, not from Columbia. There is no matching South Carolina statute forcing associations to hit 15%. A sweeping HOA reform bill did move through the State House this year, but it died in committee without reaching a vote. What is actually driving this is your lender's underwriting standard, not state law, which also means it is a rule Fannie Mae and Freddie Mac could adjust again down the road.
There is a real out built into the rule, too. A building with a professional reserve study completed or updated within the last three years, funding at the highest tier that study recommends, does not have to pass the rigid 15% budget line test. That is worth knowing whether you are a buyer sizing up a building or an owner sitting on a board right now.
If You're Under Contract Late in 2026, This Matters More Than You Think
Here is the scenario every condo buyer in the tri-county should be thinking about. Say you sign a contract in November or December 2026 with a closing set for January or February 2027. If your loan application goes in before January 4, you are underwritten against today's 10% rule, even if your actual closing slides past that date. But if financing falls through and you have to reapply, or something pushes your application past that cutoff, you are suddenly being reviewed against the 15% standard on a building that may not be there yet.
That is not a hypothetical edge case. A building that was warrantable in November can become non-warrantable in January if the reserve math does not hold up, and that can happen in the middle of a deal you already thought was headed to the closing table. It is one more reason financing timelines matter as much as your offer price does in this market right now.
A few things worth doing if you are buying a Charleston-area condo with a late 2026 closing on the calendar:
Ask your lender to confirm your loan application date will land before January 4, 2027, and build in a buffer for anything that could push it later.
Ask the listing agent or the HOA management company whether the association has a current reserve study on file and what percentage it is funding today.
Talk to your lender early about backup financing paths in case the building's warrantable status changes while you are mid-transaction.
If You Already Own a Condo Here, Expect a Bill
If you own in a Charleston-area condo building, your board is working through this same math right now, whether or not anyone has told you yet. Getting reserves from wherever they sit today up to 15% takes real money, and boards generally have two ways to raise it: a special assessment, which lands as a lump sum, or a phased increase to monthly dues. Some boards will do both. The ones that get a current reserve study done and fund at the top of what it recommends can avoid the rigid 15% test altogether, so it is worth asking your board directly where things stand before a surprise notice shows up.
One thing worth clearing up: your HOA dues and any special assessment are almost never part of your mortgage escrow account. You pay those directly to the association, separate from your mortgage payment, so a dues increase does not automatically move your monthly mortgage bill. What can move your payment is your HO6 insurance premium, which usually is escrowed, and that is exactly the piece under pressure from the new $50,000 master policy deductible cap that took effect July 1. If your building's carrier shifts more deductible risk onto owners, expect your individual policy cost to climb, and expect your escrow account to get reanalyzed to match. That is stacking on top of an insurance market that has already been reshaping condo ownership costs here for a couple of years now. Our guide to homeowners insurance in Charleston covers what has already changed and why HO6 coverage looks different than it did a few years ago.
If you have been thinking about selling before your building's assessment lands, that timing conversation is worth having now, not after the notice shows up in your mailbox. Getting a current value on your unit is the place to start, and understanding what it actually costs to sell in South Carolina right now will tell you whether listing ahead of an assessment makes sense for your situation.
The Good News: Lenders Are Already Building Around This
None of this means condo financing is about to freeze up. Charleston-area lenders, including the mortgage partners I work with regularly, are already rolling out financing options built specifically for condos that do not sail through standard approval. That includes home equity lines of credit that skip the full condo questionnaire and rely on the building's master insurance policy instead, which can work for a purchase or for tapping equity in a building that is currently non-warrantable. If you are buying into, or already own in, a building still working toward that 15% mark, ask about these options before you assume you are stuck.
The rate environment adds one more layer worth watching. Thirty-year fixed rates have been sitting close to 6.76% nationally as of early August, drifting toward the highest levels in over a year, so financing choices matter more than usual right now regardless of the condo question.
If you are negotiating a condo purchase in Charleston, Berkeley, or Dorchester County and want to know how this could affect your specific timeline, or you are weighing whether to ask a seller to help offset a known upcoming assessment, this is exactly the kind of thing worth putting on the table during negotiations in a market where concessions are already common.
If you are house hunting for a condo in the tri-county right now, get on our VIP Home Search so you see listings and get guidance before you are deep into a contract, not after. Want to walk through your specific timeline and financing options? Grab a time with me here: book a discovery call with Brett.
Frequently Asked Questions: Charleston Condo Reserve Rule Changes
What is the new Fannie Mae condo reserve rule taking effect in 2027?
Starting with loan applications dated January 4, 2027, Fannie Mae and Freddie Mac will require condo associations to budget at least 15% of their annual assessment income toward reserves, up from the current 10% requirement. Buildings that do not meet this threshold may lose warrantable status, which affects a buyer's ability to get conventional financing on a unit in that building.
Does the January 4, 2027 cutoff apply to my closing date or my loan application date?
It applies to your loan application date, not your closing date or contract date. If your loan application is submitted before January 4, 2027, you are underwritten against the current 10% rule even if your closing happens after that date. However, if your financing falls through and you have to reapply after the cutoff, the 15% standard applies.
Is this a new South Carolina law requiring condo associations to fund reserves at 15%?
No. This rule comes from Fannie Mae and Freddie Mac, the entities that back the majority of conventional condo mortgages in the country. There is no matching South Carolina statute requiring associations to hit 15%. A sweeping HOA reform bill moved through the State House in 2026 but died in committee without reaching a vote. What is driving this is lender underwriting standards, not state law.
Can a condo building avoid the 15% reserve requirement?
Yes. A building with a professional reserve study completed or updated within the last three years, and funding at the highest tier that study recommends, does not have to pass the rigid 15% budget line test. This is a meaningful alternative for associations that have done the work to properly document their reserve funding plan.
What happens to my HOA dues if my building needs to increase reserves?
Boards generally have two options to raise reserve funding: a special assessment paid as a lump sum, or a phased increase to monthly dues. Some boards will use both. HOA dues and special assessments are almost never part of your mortgage escrow account, so they are paid directly to the association and do not automatically change your monthly mortgage payment.
Are there financing options for condos that do not meet the new reserve requirements?
Yes. Charleston-area lenders are already rolling out financing options for condos that do not qualify through standard Fannie Mae or Freddie Mac approval. This includes home equity lines of credit that skip the full condo questionnaire and rely on the building's master insurance policy instead. If you are buying into or already own in a building still working toward the 15% mark, ask your lender about these alternatives before assuming you are out of options.
About Brett Kelley
Brett Kelley is the team leader of The TREAT Team in Charleston, SC. Leading a team of experienced advisors, Brett has personally closed more than 300 homes and helps buyers, sellers, and investors across the Charleston, Berkeley, and Dorchester County tri-county area with an honest, client-first approach.
SCSOLD, LLC · 843.738.2394
Equal Housing Opportunity. Brett Kelley, The TREAT Team, SCSOLD, LLC, South Carolina License #96167, regulated by the South Carolina Real Estate Commission. This article is general information only and is not legal, tax, or financial advice. Confirm your specific costs, contract terms, and financing options with your attorney, lender, or closing officer before making any transaction decisions.


