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City and County of San Francisco / Public Library / Senior Stationary Engineer

Job-title file

Senior Stationary Engineer

Design, analyze, and oversee technical systems or infrastructure, ensuring they meet specifications and codes.

3 employees hold this title in Public Library. Median total compensation for the role is $221,284, above the department median of $116,613.

Employees
3
Total payroll
$527.6K
Role median
$221,284
Agency median
$116,613
Comparison
Above

Compared with the local labor market

Senior Stationary Engineer pay vs. the San Francisco-Oakland-Fremont, CA area

Across all employers in the San Francisco-Oakland-Fremont, CA area, the median wage for Stationary Engineers and Boiler Operators — about 980 people — is $129,930. Public Library pays a median base salary of $146,146 for this role, 12% above that figureabove the 90th percentile of local pay for the occupation.

Where Public Library sits in the local pay range

10th
25th
Median
75th
90th
$61,980
$101,550
$129,930
$135,660
$144,280
Public Library median · $146,146

The bar is the range of annual wages for Stationary Engineers and Boiler Operators across every employer in the San Francisco-Oakland-Fremont, CA area, from the 10th to the 90th percentile, with the middle 50% highlighted. The marker shows Public Library’s median base salary for this role. Both figures are base pay only.

And across the country

Nationwide, the median wage for Stationary Engineers and Boiler Operators — about 28,250 people — is $78,620. Public Library’s median base salary is 86% above that national figure, above the 90th percentile of pay for the occupation nationally.

10th
25th
Median
75th
90th
$50,590
$63,160
$78,620
$101,150
$125,390
Public Library median · $146,146

Local and national wages differ for reasons beyond how well a job pays — cost of living, the mix of employers, and local demand for the occupation all move the San Francisco-Oakland-Fremont, CA range relative to the national one.

Computed over the 2 of 3 people in this role paid at least $25,000in base salary. The rest are part-year or part-time records, whose actual pay isn’t comparable to a full-time annual wage.

Median total compensation for this role at Public Library is $221,284, which includes overtime and employer-paid benefits. The benchmark above excludes both, so total compensation is deliberately not compared against it.

Benchmark: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025). BLS Occupational Employment and Wage Statistics (OEWS) covers all employers in the area — private, non-profit, and government alike — so this is a comparison against the whole local labor market for the occupation, not against private-sector pay. OEWS wages are straight-time pay and exclude overtime, shift differentials, and employer-paid benefits, so the government figure shown here is base pay on the same basis. Total compensation is not comparable to it. Job titles are matched to the closest standard occupation, so the comparison is between similar work rather than an identical job classification.

Compare departments

This role across City and County of San Francisco

Senior Stationary Engineer is held in 13 City and County of San Francisco departments. In Public Library, the median of $221,284 ranks #8 of 13.

Highest-paying departments for this role

Sheriff
$282,224 · 3
Fine Arts Museum
$231,759 · 2
City Administrator
$229,732 · 11
Public Health
$221,793 · 9
Public Works
$216,821 · 1
Airport Commission
$216,469 · 9
War Memorial
$210,205 · 2

Median total compensation for the Senior Stationary Engineer role in other City and County of San Franciscodepartments (highest first). Each bar links to that department’s page for this role.

Compare jurisdictions

Senior Stationary Engineer beyond City and County of San Francisco

This role is reported in 2 jurisdictions. In City and County of San Francisco, the median of $220,630 ranks #1 of 2. See Senior Stationary Engineer across all of City and County of San Francisco

Highest-paying jurisdictions for this role

New York City
$217,336 · 109

Median total compensation for comparable Senior Stationary Engineerroles in other jurisdictions. Titles are matched by normalized name across sources, not identical job classification, and pay is not cost-of-living adjusted. Each bar links to that jurisdiction’s page for the role.

Record list

Employees with this title

Page 1

Timothy Yos

Senior Stationary Engineer/Public Library

2025 total comp
$297,646
Sub-department
Journeyman Trade
Organization group
Culture & Recreation
Base pay
$161,100
Overtime
$49,263
Other pay
$27,822
Benefits
$59,461
Total compensation
$297,646
Employment type
Permanent Civil Service
Union / bargaining unit
Stationary Engineers, Local 39
Full-time equivalent (FTE)
1.19

Source-specific fields

Data As Of
Jun 14, 2026
Data Loaded At
Jun 15, 2026
Department Code
LIB
Health and Dental Benefits
$21,973
Job Code
7335
Job Family Code
7300
Organization Group Code
Culture & Recreation
Other Benefits
$14,341

Timothy Yos holds the role of Senior Stationary Engineer at Public Library within Journeyman Trade. Their status is permanent civil service, 1.19 FTE. In 2025, their total compensation was $297,646. Their bargaining unit is Stationary Engineers, Local 39.

Erlin Rodriguez

Senior Stationary Engineer/Public Library

2025 total comp
$221,284
Sub-department
Journeyman Trade
Organization group
Culture & Recreation
Base pay
$131,192
Overtime
$34,906
Other pay
$2,716
Benefits
$52,469
Total compensation
$221,284
Employment type
Permanent Civil Service
Union / bargaining unit
Stationary Engineers, Local 39
Full-time equivalent (FTE)
1.07

Source-specific fields

Data As Of
Jun 14, 2026
Data Loaded At
Jun 15, 2026
Department Code
LIB
Health and Dental Benefits
$20,051
Job Code
7335
Job Family Code
7300
Organization Group Code
Culture & Recreation
Other Benefits
$12,700

Erlin Rodriguez works as a Senior Stationary Engineer for Public Library within Journeyman Trade. Their status is permanent civil service, 1.07 FTE. Erlin earned $221,284 in 2025. Union affiliation: Stationary Engineers, Local 39.

Lyman Villaraza

Senior Stationary Engineer/Public Library

2025 total comp
$8,690
Sub-department
Journeyman Trade
Organization group
Culture & Recreation
Base pay
$4,324
Overtime
$811
Other pay
$1,721
Benefits
$1,835
Total compensation
$8,690
Employment type
Permanent Civil Service
Union / bargaining unit
Stationary Engineers, Local 39

Source-specific fields

Data As Of
Jun 14, 2026
Data Loaded At
Jun 15, 2026
Department Code
LIB
Health and Dental Benefits
$676
Job Code
7335
Job Family Code
7300
Organization Group Code
Culture & Recreation
Other Benefits
$515

Lyman Villaraza holds the role of Senior Stationary Engineer at Public Library within Journeyman Trade. Their status is permanent civil service. In 2025, their total compensation was $8,690. Union affiliation: Stationary Engineers, Local 39.