Property Taxes in San Juan: How CRIM Actually Works
Puerto Rico's property tax system has no direct mainland equivalent, and assuming it works like a US county tax office is the single most common mistake a mainland buyer makes here. CRIM assesses real property against a base-value methodology tied to 1957, not current market value -- a structural fact that shapes everything else about how a San Juan tax bill actually gets calculated.
What CRIM Actually Is
CRIM stands for Centro de Recaudación de Ingresos Municipales -- the Municipal Revenue Collection Center. It is the single, centralized agency that assesses property values and collects real property tax on behalf of all 78 Puerto Rico municipalities, San Juan included. CRIM does not set tax policy itself; it implements the property tax code that Puerto Rico's legislature has enacted and applies it uniformly across every municipality, while individual municipalities set their own millage rate within that framework. This is meaningfully different from a mainland structure where a county assessor's office and a county tax office might be separate from city-level rate-setting -- in Puerto Rico, one centralized agency handles both the assessment and the billing for every municipality on the island.
The 1957 Base Value: The Single Most Important Fact to Understand
Here is the structural fact that makes Puerto Rico property tax genuinely unlike any mainland system: CRIM's assessed value for real property is built on a valuation methodology anchored to 1957 property values, with adjustments applied over time, rather than being reassessed against current market value the way most US counties operate. Multiple legal and real estate guides describe the resulting assessed value as typically representing roughly 40% to 50% of a property's actual acquisition cost or current market value -- meaning the tax base a San Juan property is actually taxed against is, structurally, a fraction of what it would sell for today.
This isn't a loophole or an error -- it's the actual statutory framework Puerto Rico's property tax system runs on, and it's a major reason CRIM property tax bills are often reported as surprisingly low relative to a property's purchase price, compared to what a mainland buyer accustomed to market-value reassessment would expect. It also means a buyer should never estimate a CRIM bill by applying a millage rate to the purchase price -- that calculation would produce a number far higher than the actual bill, because it uses the wrong base entirely.
The Millage Rate: 8.03% to 11.83%, Set by the Municipality
Once CRIM establishes a property's assessed value under the 1957-based methodology, the municipality where the property sits applies its own millage rate against that assessed base -- generally cited across multiple sources in a roughly 8.03% to 11.83% range, varying by municipality. San Juan's specific current millage rate, and how it may differ across San Juan's own constituent barrios (Old San Juan, Condado, Santurce, Hato Rey, and others all sit within the single San Juan municipality for CRIM purposes), was not independently confirmed at a specific-rate level for this build. A buyer should request the current millage rate applicable to a specific San Juan parcel directly from CRIM rather than assuming a single townwide figure applies uniformly.
The Primary-Residence Exemption: Up to $15,000 of Assessed Value
Puerto Rico law provides a real property tax exemption for an owner-occupied primary residence -- the exoneración contributiva -- of up to $15,000 of assessed value. This exemption applies to only one dwelling per taxpayer, up to a maximum of one cuerda of land (a Puerto Rico land-measurement unit somewhat larger than a US acre), and the property must actually be occupied as the owner's principal residence, not a second home or a rental. To claim it, an owner generally files Form AS-38 within 30 days of acquiring the property, or, for a property already registered with CRIM, by January 1 following the date of purchase. The exemption is not automatic and is not permanent by default -- it's maintained only as long as the property continues to function as the owner's actual primary residence, which matters directly for a buyer weighing a San Juan property as a second home or investment property rather than a primary residence, since those uses don't qualify for this specific exemption.
Payment Schedule and What Happens After Purchase
CRIM issues one annual real-property tax bill, typically payable in two installments, commonly cited around September 1 and March 1. A buyer should confirm, as part of closing, whether the current CRIM bill and any prior-year arrears have been settled by the seller, and should register the change of ownership with CRIM promptly after closing so future bills are issued correctly and to the new owner -- a real administrative step that a mainland buyer's usual closing checklist wouldn't include. This page did not independently confirm CRIM's current specific penalty structure for late payment or a detailed appeals process for a disputed assessment, and recommends confirming both directly with CRIM or a Puerto Rico real estate attorney before assuming a mainland-style appeal timeline applies.
What a Buyer Should Actually Do
Before making an offer on a San Juan property, request the property's current CRIM account number, its current assessed value, its current millage-based annual bill, and confirmation that no back taxes are owed -- all of this is available directly through CRIM and should be verified independently of what a seller or listing sheet states. If the property will be your primary residence, confirm eligibility for the $15,000 primary-residence exemption and the Form AS-38 filing deadline with CRIM or your closing attorney/notario. If you're buying as an investment or second home, budget on the assumption that no primary-residence exemption applies, and don't assume the seller's current bill (which may reflect their own exemption or a different use classification) will carry over to your ownership unchanged.
This page does not state Puerto Rico's personal property tax rules (a separate CRIM-administered tax that applies mainly to businesses and movable business property, not typically relevant to an individual residential buyer), nor does it state a current appeals-window timeline for a disputed CRIM assessment -- confirm both directly with CRIM or a Puerto Rico tax attorney if either becomes relevant to your specific purchase.
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Get a Free Agent Referral →Independent research. No ads. No sponsored listings. Data sourced from: CRIM-focused legal and real estate guides (lawyerinpr.com's CRIM Property Tax Calculations and business-property-tax pages, Sabalier Law's property tax system guide, Christie's Puerto Rico's residential property tax overview, arkrealestatepr.com's homeowner guide, investatepr.com's 2026 luxury-buyer CRIM guide) for the 1957 base-value assessment methodology, the assessed-value-to-market-value ratio estimate (roughly 40-50%), the 8.03%-11.83% municipal millage range, and the semiannual payment schedule; and Justia's compilation of the Laws of Puerto Rico (Título 21, § 7992, Exoneración residencial) alongside real estate and legal guides (HMP Properties, Abogado Notario Online, Jeannette Soto Realty) for the $15,000 primary-residence exemption, its one-dwelling/one-cuerda limits, and the Form AS-38 filing requirement. Facts not independently confirmed and not invented here include: San Juan's specific current municipal millage rate as distinct from the general statewide range; CRIM's current late-payment penalty structure; and a detailed, current appeals process and timeline for a disputed assessment. Confirm all current figures, deadlines, and appeal procedures directly with CRIM and a Puerto Rico real estate attorney or notario before making a purchase decision. Nothing on this page is tax or legal advice.