OT Assistant Salary

Boston vs Watertown: Occupational Therapy Assistant Salary (2026)

Compare occupational therapy assistant salaries between Boston, MA and Watertown, MA. All figures are 2026 estimates projected from BLS 2025 data.

Boston, MA
$77,416
$37.22/hr
Watertown, MA
$79,605
$38.28/hr

Side-by-Side Comparison

MetricBoston, MAWatertown, MA
Median Salary$77,416$79,605
Hourly Rate$37.22$38.28
Entry Level (P10)$43,304$57,768
25th Percentile$62,529$70,963
75th Percentile$82,608$84,392
Top Earner (P90)$85,898$92,939
Total Employed8507
Side-by-side bar chart comparing Boston ($77,416) and Watertown ($79,605) occupational therapy assistant salaries.BostonWatertownMedian Salary$77,416$79,605Entry Level (P10)$43,304$57,768Top Earner (P90)$85,898$92,939US Median $74,332

Verdict

Watertown, MA offers better overall compensation for occupational therapy assistants, winning 3 out of 4 metrics compared to Boston.

The salary gap between Boston and Watertown is $2,189 (2.83%). Watertown's median is +7.09% compared to the US national median of $74,332.

Salary Range Comparison

The full salary range (10th to 90th percentile) in Boston spans $42,594,Watertown spans $35,171. Boston has a wider pay range, meaning more potential for high earners but also more variation.

Boston
P10 (Entry)$43,304
P25$62,529
Median$77,416
P75$82,608
P90 (Top)$85,898
Watertown
P10 (Entry)$57,768
P25$70,963
Median$79,605
P75$84,392
P90 (Top)$92,939

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, Watertown ($73,369 effective) pays 2.61% more than Boston ($71,505 effective).

Boston
Nominal: $77,416
CoL Index: 108.266
Adjusted: $71,505
Watertown
Nominal: $79,605
CoL Index: 108.5
Adjusted: $73,369

Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.

Which City Is Right for You?

Choose Boston if…

  • Larger job market (850 employed)
  • You prefer the Massachusetts area and lifestyle

Choose Watertown if…

  • Higher median salary ($79,605/year)
  • Better top-earner potential ($92,939)
  • Better purchasing power (CoL-adjusted: $73,369)
  • You prefer the Massachusetts area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, occupational therapy assistant salaries in Boston grew 16.9% from 2019 to 2025, compared to 0.4% growth in Watertown over the same period.

Boston, MA

+16.9%

$64,390 (2019) → $75,300 (2025)

Watertown, MA

+0.4%

$77,107 (2024) → $77,429 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays occupational therapy assistants more: Boston or Watertown?

Watertown has a higher median occupational therapy assistant salary at $79,605/year, compared to Boston at $77,416/year — a difference of $2,189 (2.83%).

What is the hourly rate difference between Boston and Watertown?

Boston occupational therapy assistants earn $37.22/hr while Watertown hygienists earn $38.28/hr (2026 est.).

Should I relocate from Boston to Watertown as a occupational therapy assistant?

Consider more than just salary when comparing Boston and Watertown. Factor in cost of living (CoL-adjusted: Boston = $71,505, Watertown = $73,369), job availability (850 vs 7 employed), commute, and career growth potential.

What do entry-level occupational therapy assistants earn in Boston vs Watertown?

Entry-level (10th percentile) occupational therapy assistants earn $43,304 in Boston and $57,768 in Watertown. The Watertown area offers higher starting salaries.

Related Comparisons

JL

Written by Jordan Lee, MS, OTR/L

Career Analyst

Jordan Lee has 10 years of experience as an occupational therapist. Their specialty is working with children with developmental disorders. They have worked in various healthcare settings including schools and rehabilitation facilities.

Clinically reviewed by Maria Gonzalez, COTA/LData verified by Samuel Chen, OTR/L

Methodology & Data Source

All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 2.81% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.

Data Sources & Methodology

Source: BLS, OEWS , released .

Compiled and verified by Jordan Lee, MS, OTR/L, a licensed occupational therapy assistant with 10+ years of clinical experience. · View source data at BLS.gov