811 E Riley Dr, Avondale, AZ 85323

Small-Bay Industrial · Avondale · Phoenix metro, AZ

One of 19 reachable small-bay industrial buildings in Avondale. Larger than 11% of small-bay industrial buildings in Avondale (median 69,796 SF), derived from assessor records.

County gross building area
10,052 SF, Maricopa County Assessor
Lot size
32,626 SF, Maricopa County Assessor
Year built
1979, Maricopa County Assessor
Stories
1, Maricopa County Assessor
Predominant use
Office/Retail Warehouse, Maricopa County Assessor
Assessed value
$1,409,000, per the Maricopa County Assessor (not a market appraisal)
Assessed value per building SF
$140.17/SF, derived from assessor records
Building area / lot
0.31, derived from assessor records
Vintage
1970s vintage
County use code
OFFICE/RETAIL WAREHOUSE

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

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Sale history and market context

MakeMe Estimate: $1.64M (estimated market value), with a likely range of $1.31M to $1.94M (half of recent verified sales in this segment landed inside that range). Computed as the county's full cash value of $1,409,000 times a 1.16 market ratio, measured from 3891 verified arm's-length sale prices vs county values (small-bay industrial sales across the county, through 2026-06-29). Not an appraisal. How this estimate works.

lower confidence: 3 comparable sales within 3 miles; nearest 0.3 mi. This property type carries wider measured error; treat the estimate as a starting point.

Comparable sales used as evidence

Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. The strongest 2 of 3 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.

Last sold: 2014-04-01 for $590,000 (recorded arm's-length sale).

Current ownership dates to 2014 (about 12 years) per recorded transfers.

Source: Maricopa County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$0$500K$1M$1.5M$2M20262027$1.64M$1.41MCounty assessed valueMakeMe Estimate range

Dark line: county assessed value per Maricopa County tax rolls. Blue line: our estimate; dashed years are a modeled backcast built from recorded arm's-length sales in the building's segment, not estimates published at the time, and years without enough sales stay unmodeled. The shaded range is the model's measured error band; about half of verified sales in the segment land inside it. Diamonds: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $1,301,200 (2026) to $1,409,000 (2027), up 8% over 1 years, per county tax rolls. The 2027 roll splits $1,409,000 into $307,200 land and $1,101,800 improvements.