15210 N 99th Ave, Sun City, AZ 85351
Office · Sun City · Phoenix metro, AZ
One of 61 reachable office buildings in Sun City. Larger than 50% of office buildings in Sun City (median 7,756 SF), derived from assessor records.
- County gross building area
- 7,756 SF, Maricopa County Assessor
- Lot size
- 38,300 SF, Maricopa County Assessor
- Year built
- 1973, Maricopa County Assessor
- Stories
- 1, Maricopa County Assessor
- Predominant use
- Office Building 2 Story, Maricopa County Assessor
- Assessed value
- $1,059,100, per the Maricopa County Assessor (not a market appraisal)
- Assessed value per building SF
- $136.55/SF, derived from assessor records
- Building area / lot
- 0.2, derived from assessor records
- Vintage
- 1970s vintage
- County use code
- OFFICE BUILDING 2 STORY
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 15405 N 99th Ave, Sun City · 0.1 mi · 5,984 SF · built 1972 · assessed $349.71/SF
- 15249 N 99th Ave, Sun City · 0.1 mi · 5,422 SF · built 1972 · assessed $350.98/SF
- 9901 W Thunderbird Blvd, Sun City · 0.9 mi · 5,668 SF · built 1972 · assessed $297.70/SF
- 9849 W Thunderbird Rd, Sun City · 0.9 mi · 8,868 SF · built 1973 · assessed $395.19/SF
- 9899 W Bell Rd, Sun City · 1.1 mi · 4,034 SF · built 1979 · assessed $470.89/SF
- 16991 N Boswell Blvd, Sun City · 1.1 mi · 7,338 SF · built 1984 · assessed $135.34/SF
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Sale history and market context
MakeMe Estimate: $1.21M (estimated market value), with a likely range of $970K to $1.44M (half of recent verified sales in this segment landed inside that range). Computed as the county's full cash value of $1,059,100 times a 1.15 market ratio, measured from 3891 verified arm's-length sale prices vs county values (office sales across the county, through 2026-06-29). Not an appraisal. How this estimate works.
lower confidence: 4 comparable sales within 3 miles; nearest 1.4 mi. This property type carries wider measured error; treat the estimate as a starting point.
Comparable sales used as evidence
- 10225 W Thunderbird Blvd, Sun City: $618,300 (2025-11), 7,781 SF, $79.46/SF, 1.4 mi away
- 12611 N 103rd Ave, Sun City: $2,450,000 (2025-09), 9,138 SF, $268.11/SF, 1.7 mi away
- 10228 W Coggins Dr, Sun City: $625,000 (2024-09), 3,152 SF, $198.29/SF, 1.7 mi away
- 10323 W Coggins Dr, Sun City: $515,750 (2024-11), 3,312 SF, $155.72/SF, 1.8 mi away
Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. Buyer and seller names are withheld. Get this data via API.
Market context: Office in Sun City
median verified sale $198.29/SF over the trailing 24 months; 2 sales in the last 12 months and 5 in 24 (newest verified sale 2025-11).
Computed from 37 verified arm's-length sales in Maricopa County public records (5 in the trailing 24 months). Free public records. Not an appraisal.
Land, site, and value history
Assessed value moved from $1,089,600 (2026) to $1,059,100 (2027), down 3% over 1 years, per county tax rolls. The 2027 roll splits $1,059,100 into $949,700 land and $109,400 improvements.