In 2026, Santa Clarita base Proposition 13 property tax averages 1.16% to 1.21% of purchase price, while total effective rates range from 1.18% in zero-Mello-Roos villages (older Valencia Paseos, Old Orchard, Acton/Agua Dulce) to 1.85%–1.95% in newer master-planned tracts like FivePoint Valencia, Tesoro Highlands, and Williams Ranch.
Interactive 2026 SCV Property Tax & Mello-Roos Calculator
Select a Santa Clarita enclave and purchase price to compare Proposition 13 base tax vs. estimated Mello-Roos CFD special assessments.
Why Santa Clarita Property Taxes Vary Street by Street
Under California Proposition 13, every parcel in Los Angeles County begins with a constitutional 1.00% general tax levy plus local voter-approved school and water bonds (William S. Hart Union High School District, College of the Canyons, Santa Clarita Valley Water Agency, and LA County trauma/park measures), bringing the baseline ad valorem rate in Santa Clarita to roughly 1.16%–1.21%.
The dramatic difference in monthly carrying cost comes from Mello-Roos Community Facilities District (CFD) special taxes—fixed-dollar infrastructure bonds used to fund new schools, bridges, fire stations, and paseos. Unlike Proposition 13 ad valorem tax, Mello-Roos is tied to home square footage or lot tier, not purchase price, and many bonds contain a 2% annual escalator until their scheduled maturity date (typically 25–35 years from issuance).
How Carol Anderson Audits Every 10-Digit APN Before You Offer
Before any buyer client writes a purchase contract—or before a seller prices a zero-Mello-Roos listing against high-CFD new construction—Carol Anderson pulls the official Los Angeles County Assessor & Treasurer-Tax Collector Secured Tax Bill by 10-digit APN. We verify:
- Exact Direct Assessments: Line-by-line review of Hart District CFDs, Saugus/Newhall/Castaic elementary CFDs, Landscape Maintenance Districts (LMDs), and Sanitation District charges.
- Bond Payoff & Sunset Dates: Identifying villages in Valencia (Northbridge, Northpark, Bridgeport phases) and Stevenson Ranch where 1990s CFD bonds have expired or expire within 24–48 months—creating instant equity appreciation when monthly payments drop by $250–$400/month.
- Debt-to-Income (DTI) Purchasing Power: Eliminating a $480/month Mello-Roos obligation adds roughly $72,000 to $80,000 in mortgage borrowing power at 2026 interest rates, letting buyers afford an upgraded floorplan or pool home for the exact same monthly payment.
2026 Santa Clarita Enclave Property Tax & Mello-Roos Reference Table
| Santa Clarita Village / Tract | Base Ad Valorem Rate | Typical Annual Mello-Roos CFD | Est. Effective Rate on $950K |
|---|---|---|---|
| Valencia Old Orchard, Summit & Classic Paseos | 1.18% | $0 (Bonds Matured) | 1.18% (~$934/mo) |
| FivePoint Valencia (Confluence / Valencia New Homes) | 1.20% | $4,800 – $7,200/yr | 1.71% – 1.96% (~$1,350–$1,550/mo) |
| Stevenson Ranch (Southern Oaks / Foothills) | 1.19% | $0 – $2,900/yr (Sunsetting) | 1.19% – 1.50% (~$942–$1,184/mo) |
| Saugus Plum Canyon / Tesoro Highlands | 1.20% | $3,200 – $5,400/yr | 1.54% – 1.77% (~$1,217–$1,400/mo) |
| Stetson Ranch, Sand Canyon & Acton/Agua Dulce | 1.15% – 1.19% | $0 (Zero Mello-Roos) | 1.15% – 1.19% (~$910–$942/mo) |
Frequently Asked Questions
Which Santa Clarita neighborhoods have no Mello-Roos in 2026?
Zero-Mello-Roos neighborhoods in Santa Clarita include Old Orchard, Valencia Summit, early Northbridge and Northpark paseo tracts whose 30-year CFD bonds matured, established Saugus and Newhall neighborhoods, Sand Canyon, Stetson Ranch, and unincorporated Acton and Agua Dulce.
Are Mello-Roos taxes tax-deductible in California?
Because Mello-Roos CFD charges are assessed based on square footage or parcel tier rather than ad valorem property value, the IRS generally treats them differently from standard ad valorem property taxes, and all state/local tax deductions remain subject to federal SALT cap rules. Always verify your parcel bill with your CPA.
How can I get the exact Mello-Roos expiration date on a house for sale?
Request a complimentary APN Mello-Roos Audit from Carol Anderson at (661) 406-7568. We pull the live LA County Treasurer-Tax Collector parcel roll and Special Tax Disclosure statement to confirm exact annual amounts, escalators, and final bond maturity year before you submit an offer.