As a clearly illustrative example, buying at Castaic's approximately $810,000 median with 20% down (about $162,000) and a 30-year fixed near today's roughly 6.75% would run very roughly $5,100 to $5,400 a month once you add property tax, insurance, and any Mello-Roos special tax or HOA dues — implying a household income on the order of $210,000 to $230,000 a year under standard debt-to-income guidelines. This is an illustration, not a quote: actual numbers depend on the specific home, down payment, rate, special taxes, and insurance, so underwrite a real property with Brian and a lender.

Direct AnswerAs a clearly illustrative example, buying at Castaic's approximately $810,000 median with 20% down (about $162,000) and a 30-year fixed near today's roughly 6.75% would run very roughly $5,100 to $5,400 a month once you add property tax, insurance, and any Mello-Roos special tax or HOA dues — implying a household income on the order of $210,000 to $230,000 a year under standard debt-to-income guidelines. This is an illustration, not a quote: actual numbers depend on the specific home, down payment, rate, special taxes, and insurance, so underwrite a real property with Brian and a lender.
Information current as of August 2026 · verify current figures before relying on them.

A clearly labeled illustration

There is no single "income to buy in Castaic" figure, but a worked example shows the order of magnitude. The numbers below are illustrative only — they use the canonical Castaic median as context, not as a price for any specific home, and every input changes with the parcel. In Castaic especially, newer master plans such as Williams Ranch commonly carry a Mello-Roos (CFD) special tax and HOA dues on top of the base tax, which can raise the monthly payment materially.

Illustrative example — not a quote
InputIllustrative value
Purchase price (canonical median)~$810,000
Down payment (20%)~$162,000 cash
Loan amount~$648,000
Rate (30-yr fixed, Aug 2026)~6.75%
Principal & interest~$4,200/mo
Property tax (~1.1% base)~$740/mo
Insurance (varies; hillside higher)~$200–350/mo
Mello-Roos / HOA (newer tracts)varies — can add materially
Approx. total housing payment~$5,100–5,400/mo
Implied income (28–30% DTI)~$210,000–230,000/yr
Illustration only. Median is canonical site context (~$810,000), not a price for a specific home. A Mello-Roos special tax and HOA dues in newer Castaic tracts can push the payment and required income higher.

Why the real number is different for every buyer

  • Mello-Roos and HOA swing the payment. Williams Ranch and other newer hillside master plans commonly add a CFD special tax plus HOA dues; older tracts and parts of Val Verde may carry little or none.
  • Sub-area and condition swing the price. The median blends newer master plans, semi-rural Hasley Canyon and Live Oak, and older Val Verde parcels; a specific home may be well above or below $810,000.
  • Down payment and rate. More cash down or a different rate materially changes the payment and the income needed.
  • Insurance on hillside parcels. Higher-hazard Castaic parcels can carry steeper premiums than the placeholder above.
This is general information and a labeled illustration, not a quote or financial advice. Brian Cooper is a REALTOR®, not a lender or insurance agent — underwrite a specific property with a licensed lender and insurance broker. Get pre-approved with the real special-tax, HOA, and insurance amounts included, not just principal and interest.

Frequently Asked Questions

How much do I need to earn to buy in Castaic?

There is no single figure, but illustratively: at the ~$810,000 median with 20% down and a rate near 6.75%, the total housing payment runs very roughly $5,100–5,400/month once you include tax, insurance, and any Mello-Roos or HOA, implying about $210,000–230,000/year under standard debt-to-income guidelines. This is an illustration, not a quote.

Can I buy in Castaic with less than 20% down?

Often yes — conventional loans can go as low as 3–5% and FHA to 3.5% for those who qualify, with mortgage insurance, and VA loans may allow 0% for eligible borrowers. A lower down payment raises the loan, the payment, and the income needed. Confirm with a licensed lender.

Primary sourcesCFPB - Mortgages, Freddie Mac PMMS (rate context), Los Angeles County Assessor. General information only — verify current figures and confirm legal, tax, insurance, or financial questions with a licensed professional. Equal Housing Opportunity.

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