Agency file

County Assessor

Source file: Cook County, Illinois — Employee Payroll / ingested Jun 19, 2026

The County Assessor is a government agency that delivers public services and programs within its jurisdiction.

In 2018, this agency had 271 employees with median total compensation of $17,235; the highest distinct record was $37,413.

Year: 2018
Total payroll: $5.1M
Employees: 271
Median total: $17,235
Highest record: $37,413

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

$354$33,293+

Hover a bar for its range; click to filter the list below.

How 2018 total compensation is spread across the 271 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($17,235) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $18,863 (100%)
Overtime — $0 (0%)
Other — $0 (0%)
Benefits — $0 (0%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th

25th

Median

75th

90th

$12,136

$13,993

$17,235

$22,893

$29,267

The pay ladder for this department. Someone at the 90th percentile earns $29,267 — more than 90% of the department; the 10th percentile earns $12,136. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Support Staff Iii-Assessor

17 · $13,094

Residential Junior Analyst I

10 · $14,216

Taxpayer Information Junior Specialist

10 · $13,001

Taxpayer Information Senior Special I

8 · $15,286

Ic Valuations Group Leader III

6 · $25,709

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 3 published years.

Year	Total payroll	Employees	Median pay
2016	$5.4M —	309 —	$16,363 —
2017	$5.4M ▲ 0.9%	286 ▼ 7.4%	$17,235 ▲ 5.3%
2018	$5.1M ▼ 5.3%	271 ▼ 5.2%	$17,235 ±0%

Record list

Employees

Page 1

Sharon Goss

Director of Compliance/County Assessor

2018 total comp

$8,362

Base pay: $8,362
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $8,362
Hire date: 1998-07-20
Middle name: M

Source-specific fields

Employee Identifier: 7316305c-6dd0-44e7-97ea-44dabc7e149a
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6044
Office: 1040
Position Id: 1400207

Sharon Goss is a Director of Compliance at County Assessor. Hired in 1998, they have about 20 years of service. 2018 total compensation came to $8,362.

Timothy Hartnett

Research Analyst III Assessor/County Assessor

2017 total comp

$8,282

Base pay: $8,282
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $8,282
Hire date: 2011-09-26
Middle name: J

Source-specific fields

Employee Identifier: f1e52fd5-8432-41de-9057-9f6402d8a8d9
Fiscal Period: 2017Q1
Fiscal Quarter: 1
Job Code: 5047
Office: 1040
Position Id: 9501074

Timothy Hartnett is a Research Analyst III Assessor at County Assessor. Hired in 2011, they have about 6 years of service. 2017 total compensation came to $8,282.

Caroline Calderon

Taxpayer Information Specialist II/County Assessor

2018 total comp

$8,020

Base pay: $8,020
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $8,020
Hire date: 2003-04-21
Middle name: E

Source-specific fields

Employee Identifier: 06639455-9d46-4708-9e02-1e51e9235f36
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 4920
Office: 1040
Position Id: 9501059

Caroline Calderon works as a Taxpayer Information Specialist II for County Assessor. They have served since 2003 (about 15 years). Caroline earned $8,020 in 2018.

Valencia Brown

Residential Junior Analyst I/County Assessor

2018 total comp

$7,863

Base pay: $7,863
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $7,863
Hire date: 2016-06-27

Source-specific fields

Employee Identifier: 08547b50-5ec3-4aa2-823c-1f024c27e25d
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 4932
Office: 1040
Position Id: 9501117

Valencia Brown works as a Residential Junior Analyst I for County Assessor. Hired in 2016, they have about 2 years of service. Valencia earned $7,863 in 2018.

Armando Perez

Tax Information Senior Specialist IV/County Assessor

2017 total comp

$7,356

Base pay: $7,356
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $7,356
Hire date: 1992-12-14
Middle name: A

Source-specific fields

Employee Identifier: a0853a3f-9bd0-4ce8-84d4-8a386206314c
Fiscal Period: 2017Q2
Fiscal Quarter: 2
Job Code: 5008
Office: 1040
Position Id: 9500845

Armando Perez works as a Tax Information Senior Specialist IV for County Assessor. They have served since 1992 (about 25 years). Armando earned $7,356 in 2017.

Sonia Garcia

Support Staff IV - Assessor/County Assessor

2018 total comp

$7,290

Base pay: $7,290
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $7,290
Hire date: 1987-06-02
Middle name: M

Source-specific fields

Employee Identifier: 5c4346be-572c-4534-9d68-9258cb8dfe88
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 4918
Office: 1040
Position Id: 9500795

At County Assessor, Sonia Garcia serves as a Support Staff IV - Assessor. Their tenure dates to 1987, about 31 years. Their 2018 pay totaled $7,290.