Academy of Sciences

Source file: City and County of San Francisco — Employee Compensation / ingested Jun 17, 2026

The Academy of Sciences operates a public higher-education institution — instruction, research, and student services.

In 2025, this agency had 12 employees with median total compensation of $189,516; the highest distinct record was $233,812.

Year: 2025
Total payroll: $2.1M
Employees: 12
Median total: $189,516
Highest record: $233,812

What the records show

Compensation analytics

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

Salary distribution

$21,975$233,812+

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

How 2025 total compensation is spread across the 12 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($189,516) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $117,113 (66%)
Overtime — $5,483 (3%)
Other — $10,457 (6%)
Benefits — $44,759 (25%)

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

$119,086

$179,453

$189,516

$197,001

$227,606

The pay ladder for this department. Someone at the 90th percentile earns $227,606 — more than 90% of the department; the 10th percentile earns $119,086. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Stationary Engineer

10 · $189,516

Chief Stationary Engineer

1 · $233,812

Senior Stationary Engineer

1 · $21,975

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 2 published years.

Year	Total payroll	Employees	Median pay
2024	$2.3M —	13 —	$191,237 —
2025	$2.1M ▼ 7.2%	12 ▼ 7.7%	$189,516 ▼ 0.9%

Record list

Employees

Page 1

Mark Neilson

Stationary Engineer/Academy of Sciences

2025 total comp

$187,671

Sub-department: Journeyman Trade
Organization group: Culture & Recreation
Base pay: $126,513
Overtime: $3,471
Other pay: $6,675
Benefits: $51,012
Total compensation: $187,671
Employment type: Permanent Civil Service
Union / bargaining unit: Stationary Engineers, Local 39
Full-time equivalent (FTE): 1.01

Source-specific fields

Data As Of: Jun 14, 2026
Data Loaded At: Jun 15, 2026
Department Code: SCI
Health and Dental Benefits: $21,889
Job Code: 7334
Job Family Code: 7300
Organization Group Code: Culture & Recreation
Other Benefits: $10,444

At Academy of Sciences, Mark Neilson serves as a Stationary Engineer within Journeyman Trade. They work permanent civil service, 1.01 FTE. Their 2025 pay totaled $187,671. They are represented by Stationary Engineers, Local 39.