Maricopa Value

4852 W Onyx Ave, Glendale, AZ 85302

2 bathrooms, 1,939 sqft, built 1975, in Greenbrier Unit 4 Full cash value for 2027: $324,200.

Maricopa County account 14805332

Full cash value
$324,200
Tax year 2027 · before exemptions; your tax bill is based on the limited property value
Living area
1,939 sqft
$167 per sqft
Year built
1975

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 85302 and Greenbrier Unit 4 assessment pages.

Appeal deadline

The appeal deadline for the 2027 Notice of Valuation was . 2028 Notices of Valuation usually arrive in February.

Deadline rule: Within 60 days after the Assessor mails your Notice of Valuation. Evidence is reviewed first by the Maricopa County Assessor's Office; a further appeal goes to the State Board of Equalization (SBOE). Dates checked against the official source.

Assessment snapshot

These public MCAO records highlight what may be worth checking before you file.

  • Assessment changeThe full cash value increased 1.6% from $319,200 in 2026 to $324,200 in 2027.
  • Full cash value per square footThe current public record shows about $66 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Greenbrier Unit 4 neighborhood and ZIP 85302.
  • Neighborhood value signalAmong 166 residential records in the same neighborhood, the average full cash value is about $78 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.4% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

Recent comparable sales

Sales selected by similarity to the subject property.

  • 5209 W Brown St, Glendale, AZ 85302
    July-17-2026 | 1,936 sqft | $183/sqft | built 1977 | Similar size (1,936 sqft); Similar age (1977); Sold before the valuation date
    $355,000
  • 4942 W Purdue Ave, Glendale, AZ 85302
    July-17-2026 | 1,957 sqft | $230/sqft | built 1979 | Similar size (1,957 sqft); Moderate age difference (4 years newer); Sold before the valuation date
    $449,999
  • 4966 W Onyx Ave, Glendale, AZ 85302
    July-8-2026 | 1,972 sqft | $227/sqft | built 1976 | Similar size (1,972 sqft); Similar age (1976); Sold before the valuation date
    $448,000
  • 4802 W Brown St, Glendale, AZ 85302
    July-16-2026 | 1,894 sqft | $191/sqft | built 1973 | Similar size (1,894 sqft); Similar age (1973); Sold before the valuation date
    $362,000
  • 5202 W Brown St, Glendale, AZ 85302
    July-15-2026 | 1,822 sqft | $205/sqft | built 1977 | 6% size difference (1,822 sqft); Similar age (1977); Sold before the valuation date
    $373,000

Public appraisal comparison for 2027. Prepared . Appraisal source: Maricopa County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.