MCC 1521: A SIC Code, Not a Card Code. General Contractors Use 1520
MCC 1521 isn't a Visa card code: it's the SIC code for home builders. Contractors get MCC 1520. Visa's wording, the trade codes, and 1520 risk.
Article summary
TL;DR
MCC 1521 is not a merchant category code in Visa's April 2026 manual or in Stripe's MCC list. 1521 is a SIC code, General Contractors-Single-Family Houses. On card payments, general contractors use MCC 1520, General Contractors – Residential and Commercial, which covers new construction, remodeling, repairs, additions and alterations.
- 1521 is a US SIC industry code for single-family home builders. Visa's April 2026 manual has no MCC 1521.
- The card code for general contractors is 1520, General Contractors – Residential and Commercial. One code covers homes and commercial buildings.
- Specialty trades have their own codes: 1711, 1731, 1740, 1750, 1761, 1771 and 1799.
- 1520 isn't on Visa's high-integrity-risk list, and Stripe lists it as neither restricted nor prohibited.
On this page
You searched "MCC 1521", maybe because a form, a list or a supplier showed it for a home builder. Card networks don't use 1521. Here is where the number comes from, the card code general contractors actually get, and the codes for each trade.
Is 1521 a real MCC? No, it's a SIC code
1521 comes from the US Standard Industrial Classification (SIC), a government system for classifying industries. The SIC Manual titles it General Contractors-Single-Family Houses:2OSHA, SIC Manual, 1521 General Contractors-Single-Family Houses (read October 14, 2026)
General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses.
Visa's April 2026 manual lists no MCC 1521: the codes go from 1520 to 1711.1Visa, Merchant Data Standards Manual, April 2026 Stripe's MCC list has no 1521 either.3Stripe Docs, Set merchant category codes (read October 14, 2026) Visa explains the overlap itself: its MCCs "have been derived from Standard Industrial Classification (SIC) Codes", but "Visa MCCs and SIC codes do not always correspond", and Visa often "consolidated several SIC codes into one MCC".1Visa, Merchant Data Standards Manual, April 2026 That is what happened here. The SIC system splits single-family houses (1521) from other residential buildings (1522) and nonresidential buildings (group 154, such as 1542).2OSHA, SIC Manual, 1521 General Contractors-Single-Family Houses (read October 14, 2026) Visa uses one card code for all of them: 1520.
What MCC 1520 means
Visa titles 1520 General Contractors – Residential and Commercial:1Visa, Merchant Data Standards Manual, April 2026
Merchants classified with this MCC are general contractors primarily engaged in construction of residential and/or commercial buildings. This MCC includes contractors that perform new construction as well as remodeling, repair, additions, or alterations.
Visa's "Included in this MCC" column lists Building Contractors – Residential, Commercial, Construction Companies and General Contractors.1Visa, Merchant Data Standards Manual, April 2026 Visa also names 1520 among the codes for real estate purchases, which 6513 (real estate agents and managers) excludes. A deposit on a real estate purchase stays in 6513.1Visa, Merchant Data Standards Manual, April 2026
Stripe labels the same code "General Services".3Stripe Docs, Set merchant category codes (read October 14, 2026) The name differs, the code is the same. Visa and Mastercard name no brands. The PXP directory lists large home builders under 1520; that's not an official source.4PXP, MCC 1520 General Contractors Residential and Commercial (directory, read October 14, 2026)
General contractor vs trade codes
Visa assigns the code of the activity with the most annual sales.1Visa, Merchant Data Standards Manual, April 2026 A builder that manages whole projects gets 1520. A contractor whose main work is one trade gets that trade's code. These are the similar merchants Visa lists for 1520:
| MCC | Visa title | Use it instead of 1520 when |
|---|---|---|
| 1711 | Heating, Plumbing, and Air Conditioning Contractors | You install or repair HVAC, plumbing, sprinklers or solar heating |
| 1731 | Electrical Contractors | You do electrical, alarm, cable or telecom installation |
| 1740 | Masonry, Stonework, Tile Setting, Plastering and Insulation Contractors | You lay brick, stone or tile, plaster, insulate or hang drywall |
| 1750 | Carpentry Contractors | You do framing, trim, on-site cabinets, windows or doors |
| 1761 | Roofing, Siding, and Sheet Metal Work Contractors | You install roofs, siding, gutters or skylights |
| 1771 | Concrete Work Contractors | You pour foundations, driveways, patios or sidewalks |
| 1799 | Special Trade Contractors (Not Elsewhere Classified) | Your trade has no specific code: fences, pools, demolition, waterproofing |
Source: Visa Merchant Data Standards Manual, April 2026, pages 26 and 27.1Visa, Merchant Data Standards Manual, April 2026
Verdict
Some software platforms put fencing, foundation and waterproofing work under 1520 by default.5ArcSite Help Center, What is a Merchant Category Code (read October 14, 2026) Visa's manual is more precise: fence construction and waterproofing are in 1799, and pouring foundations is in 1771. A store that sells building materials uses 5211, not a contractor code.
Risk, cardholders and merchants
Risk. 1520 isn't on Visa's April 2026 list of high-integrity-risk codes.1Visa, Merchant Data Standards Manual, April 2026 Stripe lists 1520 as neither restricted nor prohibited.3Stripe Docs, Set merchant category codes (read October 14, 2026) Our high-risk MCC codes guide lists the codes Visa does flag.
Deposits. Contractors often charge a deposit before work starts. Visa limits full prepayment to a few categories and sets disclosure rules for partial deposits; our MCC 5712 page summarizes them.
Cardholders. A charge from a builder or remodeler shows up as 1520, not 1521. Each issuer decides which codes earn points or cashback; read your card's terms. If a charge looks wrong, your bank can explain a chargeback.
Merchants. Stripe sets the MCC from your declared industry, then your website.3Stripe Docs, Set merchant category codes (read October 14, 2026) If your account shows a trade code but you run whole projects, or the reverse, ask your acquirer to correct it. Our guide shows where to find your MCC.
Frequently asked questions
Is 1521 a valid MCC code?
What is MCC 1520?
What is the MCC code for a construction company or contractor?
Is MCC 1520 high risk?
Sources
Checked October 15, 2026- Visa, Merchant Data Standards Manual, April 2026
- OSHA, SIC Manual, 1521 General Contractors-Single-Family Houses (read October 14, 2026)
- Stripe Docs, Set merchant category codes (read October 14, 2026)
- PXP, MCC 1520 General Contractors Residential and Commercial (directory, read October 14, 2026)
- ArcSite Help Center, What is a Merchant Category Code (read October 14, 2026)
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