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

Donald Yurachek

Support Staff - Assessor/County Assessor

2018 total comp

$20,941

Base pay: $20,941
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $20,941
Hire date: 1996-04-29
Middle name: H

Source-specific fields

Employee Identifier: 6f47fea3-b14d-4694-9c66-00394f0b470e
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 5053
Office: 1040
Position Id: 9500729

Donald Yurachek holds the role of Support Staff - Assessor at County Assessor. Hired in 1996, they have about 22 years of service. In 2018, their total compensation was $20,941.

Luis Collazo Sr.

Taxpayer Advocate Analyst I/County Assessor

2018 total comp

$20,744

Base pay: $20,744
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $20,744
Hire date: 1996-06-10
Middle name: G

Source-specific fields

Employee Identifier: afd0c172-9629-4a02-971b-6a5d84567aa5
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 4982
Office: 1040
Position Id: 9501115

At County Assessor, Luis Collazo Sr. serves as a Taxpayer Advocate Analyst I. They have served since 1996 (about 22 years). Their 2018 pay totaled $20,744.

Stephen Gawrys

Chief Investigator-Assessor/County Assessor

2018 total comp

$20,581

Base pay: $20,581
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $20,581
Hire date: 2014-01-27
Middle name: R

Source-specific fields

Employee Identifier: db663dce-d02b-4490-b738-db5c866f9230
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6239
Office: 1040
Position Id: 1400345

At County Assessor, Stephen Gawrys serves as a Chief Investigator-Assessor. They have served since 2014 (about 4 years). Their 2018 pay totaled $20,581.

French Wilson

Director of Human Resources/County Assessor

2017 total comp

$20,557

Base pay: $20,557
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $20,557
Hire date: 2016-03-08
Middle name: S

Source-specific fields

Employee Identifier: 44c91792-3d56-4a46-b602-a24fb50ac8e6
Fiscal Period: 2017Q2
Fiscal Quarter: 2
Job Code: 6594
Office: 1040
Position Id: 1600015

At County Assessor, French Wilson serves as a Director of Human Resources. Their tenure dates to 2016, about a year. Their 2017 pay totaled $20,557.

Wayne Bohlsen

Residential Field Inspect III/County Assessor

2018 total comp

$19,914

Base pay: $19,914
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,914
Hire date: 1982-07-01
Middle name: R

Source-specific fields

Employee Identifier: f1b46979-da4b-453a-aea2-05ba000a28bd
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 4888
Office: 1040
Position Id: 9500843

Wayne Bohlsen is a Residential Field Inspect III at County Assessor. Hired in 1982, they have about 36 years of service. 2018 total compensation came to $19,914.

Francisco Hernandez

Taxpayer Advocate Analyst II/County Assessor

2018 total comp

$19,914

Base pay: $19,914
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,914
Hire date: 1997-06-09

Source-specific fields

Employee Identifier: b132653a-5ecc-40bf-99da-121c1f436560
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 4892
Office: 1040
Position Id: 9500861

Francisco Hernandez works as a Taxpayer Advocate Analyst II for County Assessor. They have served since 1997 (about 21 years). Francisco earned $19,914 in 2018.

Olimpia Lino

Residential Field Inspect III/County Assessor

2018 total comp

$19,914

Base pay: $19,914
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,914
Hire date: 1991-06-05

Source-specific fields

Employee Identifier: 211b57fa-d949-4289-a1e1-fa198d6da43b
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 4888
Office: 1040
Position Id: 9500777

At County Assessor, Olimpia Lino serves as a Residential Field Inspect III. They have served since 1991 (about 27 years). Their 2018 pay totaled $19,914.

Rosanne Rossi

Technician Rev Support Staff Grp Ldr/County Assessor

2018 total comp

$19,914

Base pay: $19,914
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,914
Hire date: 1994-11-14

Source-specific fields

Employee Identifier: 1177fd39-9489-4ecd-84b7-c878de0fcd4b
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 5010
Office: 1040
Position Id: 800021

At County Assessor, Rosanne Rossi serves as a Technician Rev Support Staff Grp Ldr. Hired in 1994, they have about 24 years of service. Their 2018 pay totaled $19,914.

Dino Costa

I/C Valuations Junior Analyst III/County Assessor

2018 total comp

$19,914

Base pay: $19,914
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,914
Hire date: 1991-12-16
Middle name: F

Source-specific fields

Employee Identifier: 033b7832-c0cf-4ac5-bb4a-99a25b9f1af9
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 4993
Office: 1040
Position Id: 9501080

Dino Costa holds the role of I/C Valuations Junior Analyst III at County Assessor. They have served since 1991 (about 27 years). In 2018, their total compensation was $19,914.

Onetta Williams

Investigator III/County Assessor

2018 total comp

$19,856

Base pay: $19,856
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,856
Hire date: 2014-02-03
Middle name: Z

Source-specific fields

Employee Identifier: 876a2d68-625e-4b45-9f35-c13d50ac14cc
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 640
Office: 1040
Position Id: 1400156

Onetta Williams works as a Investigator III for County Assessor. They have served since 2014 (about 4 years). Onetta earned $19,856 in 2018.

Vincent Pszczolkowski

Investigator III/County Assessor

2018 total comp

$19,856

Base pay: $19,856
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,856
Hire date: 2014-02-10
Middle name: R

Source-specific fields

Employee Identifier: c63d61cb-479b-45bf-a51b-ec872d8c935f
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 640
Office: 1040
Position Id: 1400155

Vincent Pszczolkowski works as a Investigator III for County Assessor. Their tenure dates to 2014, about 4 years. Vincent earned $19,856 in 2018.

Lynda Flott

Specialist Properties Analyst III/County Assessor

2018 total comp

$19,701

Base pay: $19,701
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,701
Hire date: 1968-07-09
Middle name: L

Source-specific fields

Employee Identifier: 5caeeba4-54cf-4a06-ae6a-e5060594928f
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 4891
Office: 1040
Position Id: 9500775

Lynda Flott holds the role of Specialist Properties Analyst III at County Assessor. Their tenure dates to 1968, about 50 years. In 2018, their total compensation was $19,701.