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City of Philadelphia / Opa Office of Property Assessment

Agency file

Opa Office of Property Assessment

Source file: City of Philadelphia — Employee Earnings / ingested Jun 19, 2026

The Opa Office of Property Assessment is a government agency that delivers public services and programs within its jurisdiction.

In 2026, this agency had 171 employees with median total compensation of $18,923; the highest distinct record was $51,882.

Year
2026
Total payroll
$3.1M
Employees
171
Median total
$18,923
Highest record
$51,882

What the records show

Compensation analytics

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

Salary distribution

How 2026 total compensation is spread across the 171 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($18,923) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base$17,050 (93%)
  • Overtime$769 (4%)
  • Other$532 (3%)
  • 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
$11,327
$12,719
$18,923
$22,152
$26,412

The pay ladder for this department. Someone at the 90th percentile earns $26,412 — more than 90% of the department; the 10th percentile earns $11,327. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

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 8 published years.

YearTotal payrollEmployeesMedian pay
2019
$8.5M
193
$48,671
2020
$12.6M
47.3%
186
3.6%
$71,523
47.0%
2021
$11.9M
5.6%
189
1.6%
$69,829
2.4%
2022
$12M
0.7%
180
4.8%
$72,020
3.1%
2023
$8.3M
30.3%
170
5.6%
$52,013
27.8%
2024
$12.5M
50.1%
188
10.6%
$77,346
48.7%
2025
$13.2M
5.2%
183
2.7%
$78,605
1.6%
2026
$3.1M
76.2%
171
6.6%
$18,923
75.9%

Record list

Employees

Page 1

Mathewson Zachariah

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$17,579
Base pay
$17,319
Overtime
$0
Other pay
$260
Benefits
$0
Total compensation
$17,579
Employment type
Salaried

Source-specific fields

Base Salary
$80,697
Employee Category
Civil Service
Job Code
2D17
Public Id
731
Total Pay
$17,579

Mathewson Zachariah is a Real Property Evaluator 2 at Opa Office of Property Assessment. They work salaried. 2026 total compensation came to $17,579.

Bridget Clark

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$17,442
Base pay
$17,142
Overtime
$0
Other pay
$300
Benefits
$0
Total compensation
$17,442
Employment type
Salaried

Source-specific fields

Base Salary
$80,697
Employee Category
Civil Service
Job Code
2D17
Public Id
17608
Total Pay
$17,442

Bridget Clark works as a Real Property Evaluator 2 for Opa Office of Property Assessment. Their status is salaried. Bridget earned $17,442 in 2026.

Alisa D Ambrosia

Real Property Evaluator 3/Opa Office of Property Assessment

2026 total comp
$17,253
Base pay
$16,956
Overtime
$0
Other pay
$297
Benefits
$0
Total compensation
$17,253
Employment type
Salaried

Source-specific fields

Base Salary
$89,875
Employee Category
Civil Service
Job Code
2D18
Public Id
28241
Total Pay
$17,253

Alisa D Ambrosia works as a Real Property Evaluator 3 for Opa Office of Property Assessment. Their status is salaried. Alisa earned $17,253 in 2026.

Jonathan Humm

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,873
Base pay
$16,549
Overtime
$0
Other pay
$325
Benefits
$0
Total compensation
$16,873
Employment type
Salaried

Source-specific fields

Base Salary
$80,697
Employee Category
Civil Service
Job Code
2D17
Public Id
12842
Total Pay
$16,873

Jonathan Humm holds the role of Real Property Evaluator 2 at Opa Office of Property Assessment. Their status is salaried. In 2026, their total compensation was $16,873.

Samuel Mattaway

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,823
Base pay
$16,453
Overtime
$0
Other pay
$370
Benefits
$0
Total compensation
$16,823
Employment type
Salaried

Source-specific fields

Base Salary
$80,697
Employee Category
Civil Service
Job Code
2D17
Public Id
13839
Total Pay
$16,823

Samuel Mattaway is a Real Property Evaluator 2 at Opa Office of Property Assessment. They work salaried. 2026 total compensation came to $16,823.

Lisa Silveri

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,719
Base pay
$16,664
Overtime
$55
Other pay
$0
Benefits
$0
Total compensation
$16,719
Employment type
Salaried

Source-specific fields

Base Salary
$71,721
Employee Category
Civil Service
Job Code
2D17
Public Id
42055
Total Pay
$16,719

At Opa Office of Property Assessment, Lisa Silveri serves as a Real Property Evaluator 2. They work salaried. Their 2026 pay totaled $16,719.

Lakena Smith

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,717
Base pay
$16,420
Overtime
$0
Other pay
$297
Benefits
$0
Total compensation
$16,717
Employment type
Salaried

Source-specific fields

Base Salary
$80,697
Employee Category
Civil Service
Job Code
2D17
Public Id
29402
Total Pay
$16,717

At Opa Office of Property Assessment, Lakena Smith serves as a Real Property Evaluator 2. They work salaried. Their 2026 pay totaled $16,717.

Jonathan Jackson

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,668
Base pay
$16,668
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$16,668
Employment type
Salaried

Source-specific fields

Base Salary
$71,721
Employee Category
Civil Service
Job Code
2D17
Public Id
41856
Total Pay
$16,668

At Opa Office of Property Assessment, Jonathan Jackson serves as a Real Property Evaluator 2. They work salaried. Their 2026 pay totaled $16,668.

Vickie Thompson

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,631
Base pay
$16,631
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$16,631
Employment type
Salaried

Source-specific fields

Base Salary
$71,721
Employee Category
Civil Service
Job Code
2D17
Public Id
42212
Total Pay
$16,631

At Opa Office of Property Assessment, Vickie Thompson serves as a Real Property Evaluator 2. They work salaried. Their 2026 pay totaled $16,631.

Conway Armstead

Real Property Evaluator 2/Opa Office of Property Assessment

2026 total comp
$16,509
Base pay
$15,460
Overtime
$778
Other pay
$271
Benefits
$0
Total compensation
$16,509
Employment type
Salaried

Source-specific fields

Base Salary
$67,248
Employee Category
Civil Service
Job Code
2D17
Public Id
9390
Total Pay
$16,509

Conway Armstead is a Real Property Evaluator 2 at Opa Office of Property Assessment. They work salaried. 2026 total compensation came to $16,509.