Guide

The SBA 504 Loan Process, Step by Step

A 504 deal involves three parties, two loans, and one closing (usually). Here's how the pieces move — and a realistic timeline from first call to keys in hand.

PrepSBA Editorial Team

August 2026 · 7 min read

Step 1: Define the Project (Week 0–2)

Before anyone underwrites anything, get specific: purchase price or construction budget, renovation costs, equipment, soft costs, and closing costs. The down payment (equity injection) — typically 10% — comes out of this total project number, not just the purchase price.

Rough order of magnitude: most 504 projects run $500K–$5M, though the SBA-guaranteed portion caps at $5 million (with limited exceptions for manufacturers and energy projects).

Step 2: Pick Your Team — Bank + CDC (Week 2–4)

The 504 is a partnership: a bank or credit union provides the ~50% first mortgage, and a Certified Development Company (CDC) packages and administers the ~40% SBA-guaranteed second. Many CDCs will refer you to partner banks they close with regularly — pick a team that has done 504 deals together before; chemistry between the two lenders is the single biggest predictor of a smooth file.

Step 3: Assemble the Application Package (Week 4–8)

This is where most deals lose a month. The 504 package overlaps heavily with an SBA 7(a) package — 3 years of business and personal tax returns, interim financials, personal financial statements, an acceptable credit profile, and a business plan for startups. The full requirements checklist covers every document; PrepSBA exists to help you prep SBA documents correctly the first time.

Step 4: Lender and SBA Approval (Week 8–14)

Bank approval comes first — they issue a term sheet for the first mortgage.
CDC/SBA approval follows: the CDC packages your file, submits it to the SBA Loan Center, and the SBA issues an authorization (the "Loan Authorization and Agreement") with all conditions.
Third-party reports run in parallel: appraisal, environmental Phase I (every 504 requires one), and sometimes a seismic report in certain zones.

Step 5: Debenture Funding & Closing (Week 14–16)

Unique to the 504: the SBA portion is funded by a debenture — a bond the CDC sells monthly to investors, priced at a spread over Treasury rates. That's what gives the 504 its long fixed-rate term (up to 20–25 years). Once conditions are cleared, all parties close together, your injection is wired, and the bank funds the first mortgage. The CDC piece may fund within days after (a "delayed draw" is standard in many states).

Step 6: After Closing

You'll make two payments: one to the bank (first mortgage, often 10- or 25-year, fixed or floating) and one to a central servicer for the SBA debenture (fixed, 10/20/25-year). Expect annual financial reporting to the CDC — lighter than most borrowers fear, but non-optional. New to the program overall? Start with our SBA 504 loan guide for how the structure works.

Realistic Timeline: 4–6 Months

A clean purchase closes in roughly 90–120 days. Construction projects run longer — 6+ months — because draws add a layer. The two most common stall points: incomplete financial packages (fix: prepare documents up front) and slow third-party reports (fix: order them the week the term sheet is signed, not after lender approval).

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Frequently Asked Questions

How long does the SBA 504 loan process take?

A typical 504 loan closes in 4–6 months from start to finish. The breakdown: defining the project and picking your team (2–4 weeks), assembling the application package (4–6 weeks), lender and SBA approval (4–6 weeks), and debenture funding and closing (2–4 weeks). Timelines vary by lender, CDC, and appraisal.

Who is involved in a 504 loan?

Three parties: your bank (the first mortgage lender, ~50% of the project), a Certified Development Company or CDC (originates and services the SBA-backed debenture, ~40%), and you (the down payment, ~10%). The SBA guarantees the debenture portion.

What is a CDC and how do I choose one?

A Certified Development Company is a private non-profit authorized by the SBA to originate and service 504 loans. Your bank typically has preferred CDC partners — choose one with experience in your industry and property type, and ask about their processing times and fees.

When do I get the money in a 504 loan?

Funds are disbursed at closing, after the bank's first mortgage is recorded and the debenture is pooled and sold by the SBA. The debenture funding typically happens a few days after closing — the seller gets paid at closing, and the SBA portion funds shortly after.

Can I speed up the 504 loan process?

Yes. A complete, accurate application package on day one is the single biggest lever — missing documents are the #1 cause of delays. Pre-qualify with your bank early, line up the appraisal and environmental review promptly, and respond to CDC requests within 24 hours.

What are the closing costs on a 504 loan?

Expect closing costs of roughly 2–4% of the project: appraisal, environmental assessment, title and recording, legal fees, and the CDC's origination fee (typically up to 1.5% of the debenture). Some of these can be financed into the project.