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RESPA Section 10 • 12 CFR § 1024.17 Federal Compliance Guide

Mortgage Escrow Shortage & Overcharge Calculator: Check the Federal 1/6th Cushion Rule

Did your monthly mortgage payment suddenly jump by $200 to $600 after an “Annual Escrow Analysis”? Before you pay an inflated escrow shortage, verify whether your mortgage servicer violated the federal two-month cushion cap (12 CFR § 1024.17) or failed to issue a mandatory 30-day surplus check.

Free RESPA 1/6th Escrow Cushion & Surplus Calculator

Instant statutory math under 12 CFR § 1024.17(c)(1)(ii) & § 1024.17(f)(2)(i)

Federal 2-Month Cap

Look at the “Low Point” or “Required Minimum Balance” column on your Annual Escrow Analysis statement.

Total Annual Disbursements:$6,900.00
Federal 1/6th Max Cushion:$1,150.00
Servicer Retained Low-Point:$2,150.00
RESPA § 1024.17 Overcharge Detected
$1,000.00 Owed to You

Your servicer is holding $1,000.00 above the federal 1/6th cap. Under 12 CFR § 1024.17(f)(2)(i), any surplus of $50 or more must be refunded to you within 30 days.

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How the Federal 1/6th Escrow Cushion Law Works (12 CFR § 1024.17)

Under federal law (12 U.S.C. § 2609 and 12 CFR § 1024.17(c)(1)(ii)), mortgage servicers are required to perform a 12-month projection of your property tax and homeowners insurance disbursements. At the lowest projected point of the year (the “trial running balance low point”), your escrow balance is legally capped:

Step 1: Annual Total
Sum Taxes + Insurance

Add only actual property tax and hazard/flood insurance bills—never PMI or HOA fees.

Step 2: Divide by 6
2-Month Reserve Cap

1/6th of annual disbursements (or less if your mortgage contract specifies a 0- or 1-month cushion).

Step 3: $50 Refund Rule
Mandatory 30-Day Check

Under 12 CFR § 1024.17(f)(2)(i), any surplus of $50 or more must be refunded within 30 days.

3 Ways Mortgage Servicers Manufacture “Fake” Escrow Shortages

1

Padding the Low-Point Cushion

Instead of projecting your lowest monthly balance to hit 2 months of escrow, the servicer sets the target minimum balance above 1/6th of annual disbursements—forcing you to fund an unlawful interest-free reserve.

2

Double-Counting Tax & Insurance Bills

When a homeowner switches insurance carriers or when a county sends a supplemental tax bill, automated servicing software frequently counts both the old and new policies in next year's projection.

3

Including PMI in the Cushion Math

Private Mortgage Insurance (PMI) is paid monthly, meaning no reserve cushion is needed. Including PMI in the 1/6th cushion calculation artificially inflates your required minimum escrow balance.

Frequently Asked Questions: Escrow Overcharges & RESPA Refunds

What is the federal RESPA 1/6th (2-month) escrow cushion limit?
Under Section 10 of the Real Estate Settlement Procedures Act (RESPA) and Regulation X (12 CFR § 1024.17(c)(1)(ii)), a mortgage servicer is prohibited from requiring a borrower to maintain an escrow reserve ("cushion") greater than one-sixth (1/6th) of the total estimated annual property taxes and hazard insurance disbursements—equivalent to exactly two months of escrow payments.
When must my mortgage servicer mail me an escrow surplus refund check?
Under 12 CFR § 1024.17(f)(2)(i), if an annual escrow analysis reveals a surplus of $50.00 or more, and the borrower is current on payments, the mortgage servicer must refund the entire surplus to the borrower within 30 calendar days from the date of the analysis. Servicers cannot simply hold a $50+ surplus to pad next year’s cushion.
Why did my mortgage payment go up $300–$600/month after an Annual Escrow Analysis?
When property taxes or homeowners insurance rise, servicers often hit borrowers with a "double whammy": they increase your base monthly escrow payment AND charge you a 12-month "shortage" catch-up payment, while simultaneously padding the low-point reserve cushion beyond the legal 1/6th limit or using double-counted tax/insurance disbursements.
How do I dispute an inaccurate escrow analysis or illegal cushion?
Calling customer service rarely fixes an automated escrow ledger error. Instead, send a formal written Notice of Error under 12 CFR § 1024.35(b)(4)-(5) via Certified Mail to your servicer’s designated QWR address. This legally obligates the servicer to investigate, correct the math, and respond in writing within 30 business days.

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Upload your monthly mortgage statement or annual escrow analysis. Our veteran-built deterministic engine checks your escrow cushion, PMI drop date, and suspense ledger—and generates a ready-to-mail RESPA Notice of Error (12 CFR § 1024.35) letter.

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