What Is Mello-Roos on a California New Home?
By JC Pacific Corp Published 2026-09-01 Last professionally reviewed: September 2026
Mello-Roos is a special tax imposed by a Community Facilities District to finance eligible public facilities or services. It may appear on the property-tax bill in addition to ordinary ad valorem property taxes and can materially affect the cost of owning a new home.
What can Mello-Roos finance?
Eligible public facilities and services may include:
- qualifying roads
- schools
- sewer or water infrastructure
- public safety facilities
- parks
- libraries
- government facilities
- public services
The district documents control.
How much will the buyer pay?
There is no universal percentage; the amount depends on the district's Rate and Method of Apportionment.
Ask for the current annual maximum authorized tax, escalation terms, remaining duration, delinquency consequences, district contact, and the property's assigned classification.
Do not rely solely on a generalized tax-rate estimate.
Does Mello-Roos disappear when the home is sold?
Generally the obligation follows the property while the special tax remains authorized; confirm district terms.
Source: California State Board of Equalization explanation of Mello-Roos charges .
Frequently Asked Questions
Is Mello-Roos the same as HOA dues?
No; HOA assessments are private community charges; Mello-Roos is a special tax.
Can Mello-Roos increase?
The governing formula may permit changes; review the maximum tax and escalation.
Does an impound account include it?
Possibly; confirm with the lender and review payment estimates.
Educational information
This article provides general educational information and is not legal, tax, financial, insurance, appraisal, engineering, architectural, inspection, or construction advice. Builder contracts, warranties, development requirements, taxes, assessments, HOA documents, insurance options, and property conditions vary. Buyers should independently review the applicable documents and consult qualified professionals before making decisions.
Next step: ask for the district disclosure and calculate affordability using the property-specific special tax, not merely the base tax rate.
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JC Pacific Corp is an Irvine-based Southern California brokerage helping buyers navigate offers, escrow, and financing. Tell us what you are looking for and we will point you to current options across the region.
A note on legal advice: These guides provide general, educational information about California real estate practice. They are not legal advice and do not create an attorney-client relationship. Mortgage information is general education, not individualized lending, tax or legal guidance. For advice about your specific offer, contract, closing or financing, consult a qualified California real estate attorney and a qualified mortgage professional.
A note on these new-construction guides: These articles provide general, educational information about buying a newly built home in California, including builder pricing and lot premiums, upgrades and design selections, deposits, construction timelines, financing and rate locks, appraisals, inspections, and the walk-through and punch list. They are not legal, tax, appraisal, lending, construction, engineering, inspection, insurance, investment, or financial advice, and they do not create a builder, lender, contractor, inspector, engineer, attorney, or appraiser relationship with the brokerage. Builder contracts, option and selection documents, deposits, rate-lock terms, appraisal procedures, warranties, punch-list obligations, and delivery timelines vary by builder and project and change frequently. These guides do not guarantee completion dates, rental income, property value, financing, or construction costs, and no statement about a lot, view, or premium is a promise that any feature will increase value. Verify current rules with the jurisdiction or agency having authority and consult appropriately licensed legal, tax, lending, appraisal, inspection, engineering, and construction professionals regarding a specific transaction.