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Side-by-side financial comparison of CALIFORNIA WATER SERVICE GROUP (CWT) and Empire State Realty Trust, Inc. (ESRT). Click either name above to swap in a different company.

CALIFORNIA WATER SERVICE GROUP is the larger business by last-quarter revenue ($210.7M vs $190.3M, roughly 1.1× Empire State Realty Trust, Inc.). CALIFORNIA WATER SERVICE GROUP runs the higher net margin — 5.4% vs 1.6%, a 3.9% gap on every dollar of revenue. On growth, Empire State Realty Trust, Inc. posted the faster year-over-year revenue change (5.7% vs -3.3%). Over the past eight quarters, CALIFORNIA WATER SERVICE GROUP's revenue compounded faster (16.6% CAGR vs 0.2%).

California Water Service Group (CWSG) is an American public utility company providing drinking water and wastewater services. It is the third-largest investor-owned publicly traded water utility in the United States, serving roughly two million people through its subsidiary companies in California, Hawaii, New Mexico and Washington. CWSG was formed in 1997 as a new holding company for California Water Service to expand into other states regulated by their own public utilities commissions, and...

Empire State Realty Trust is a leading real estate investment trust that owns, manages, and operates a portfolio of premium commercial, residential, and retail properties primarily in the New York City metropolitan area, including the iconic Empire State Building. It serves corporate tenants, retail partners, and residential occupants, focusing on sustainable property operations and long-term asset value growth.

CWT vs ESRT — Head-to-Head

Bigger by revenue
CWT
CWT
1.1× larger
CWT
$210.7M
$190.3M
ESRT
Growing faster (revenue YoY)
ESRT
ESRT
+9.0% gap
ESRT
5.7%
-3.3%
CWT
Higher net margin
CWT
CWT
3.9% more per $
CWT
5.4%
1.6%
ESRT
Faster 2-yr revenue CAGR
CWT
CWT
Annualised
CWT
16.6%
0.2%
ESRT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CWT
CWT
ESRT
ESRT
Revenue
$210.7M
$190.3M
Net Profit
$11.5M
$3.0M
Gross Margin
Operating Margin
12.2%
15.5%
Net Margin
5.4%
1.6%
Revenue YoY
-3.3%
5.7%
Net Profit YoY
-41.0%
-73.7%
EPS (diluted)
$0.19
$0.20

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CWT
CWT
ESRT
ESRT
Q1 26
$190.3M
Q4 25
$210.7M
$199.2M
Q3 25
$314.1M
$197.7M
Q2 25
$256.2M
$191.3M
Q1 25
$182.7M
$180.1M
Q4 24
$217.8M
$197.6M
Q3 24
$306.2M
$199.6M
Q2 24
$226.7M
$189.5M
Net Profit
CWT
CWT
ESRT
ESRT
Q1 26
$3.0M
Q4 25
$11.5M
$32.2M
Q3 25
$61.2M
$13.6M
Q2 25
$42.2M
$11.4M
Q1 25
$13.3M
$15.8M
Q4 24
$19.5M
$18.8M
Q3 24
$60.7M
$22.8M
Q2 24
$40.6M
$28.6M
Operating Margin
CWT
CWT
ESRT
ESRT
Q1 26
15.5%
Q4 25
12.2%
17.8%
Q3 25
22.5%
19.9%
Q2 25
20.2%
18.4%
Q1 25
12.2%
14.3%
Q4 24
14.8%
21.7%
Q3 24
21.8%
22.7%
Q2 24
21.2%
20.8%
Net Margin
CWT
CWT
ESRT
ESRT
Q1 26
1.6%
Q4 25
5.4%
16.1%
Q3 25
19.5%
6.9%
Q2 25
16.5%
6.0%
Q1 25
7.3%
8.8%
Q4 24
8.9%
9.5%
Q3 24
19.8%
11.4%
Q2 24
17.9%
15.1%
EPS (diluted)
CWT
CWT
ESRT
ESRT
Q1 26
$0.20
Q4 25
$0.19
$0.11
Q3 25
$1.03
$0.05
Q2 25
$0.71
$0.04
Q1 25
$0.22
$0.05
Q4 24
$0.31
$0.07
Q3 24
$1.03
$0.08
Q2 24
$0.70
$0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CWT
CWT
ESRT
ESRT
Cash + ST InvestmentsLiquidity on hand
$51.8M
$68.8M
Total DebtLower is stronger
$1.5B
Stockholders' EquityBook value
$1.7B
$1.8B
Total Assets
$5.7B
$4.4B
Debt / EquityLower = less leverage
0.87×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CWT
CWT
ESRT
ESRT
Q1 26
$68.8M
Q4 25
$51.8M
$132.7M
Q3 25
$76.0M
$154.1M
Q2 25
$50.5M
$94.6M
Q1 25
$44.5M
$187.8M
Q4 24
$50.1M
$385.5M
Q3 24
$59.6M
$421.9M
Q2 24
$37.3M
$535.5M
Total Debt
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
$1.5B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
Q2 24
Stockholders' Equity
CWT
CWT
ESRT
ESRT
Q1 26
$1.8B
Q4 25
$1.7B
$1.1B
Q3 25
$1.7B
$1.0B
Q2 25
$1.7B
$1.0B
Q1 25
$1.6B
$1.0B
Q4 24
$1.6B
$1.0B
Q3 24
$1.6B
$1.0B
Q2 24
$1.5B
$1.0B
Total Assets
CWT
CWT
ESRT
ESRT
Q1 26
$4.4B
Q4 25
$5.7B
$4.5B
Q3 25
$5.5B
$4.1B
Q2 25
$5.4B
$4.1B
Q1 25
$5.3B
$4.1B
Q4 24
$5.2B
$4.5B
Q3 24
$5.0B
$4.4B
Q2 24
$4.9B
$4.4B
Debt / Equity
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
0.87×
Q3 25
0.65×
Q2 25
0.67×
Q1 25
0.68×
Q4 24
0.67×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CWT
CWT
ESRT
ESRT
Operating Cash FlowLast quarter
$47.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
10.0%
Cash ConversionOCF / Net Profit
4.17×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
$47.9M
$249.1M
Q3 25
$167.3M
$105.3M
Q2 25
$48.9M
$26.7M
Q1 25
$38.4M
$83.1M
Q4 24
$68.1M
$260.9M
Q3 24
$101.8M
$102.8M
Q2 24
$94.4M
$37.1M
Free Cash Flow
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
$50.6M
Q3 25
$72.8M
Q2 25
$-55.1M
Q1 25
$41.1M
Q4 24
$88.0M
Q3 24
$-65.1M
Q2 24
$19.5M
FCF Margin
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
25.4%
Q3 25
36.8%
Q2 25
-28.8%
Q1 25
22.8%
Q4 24
44.5%
Q3 24
-32.6%
Q2 24
10.3%
Capex Intensity
CWT
CWT
ESRT
ESRT
Q1 26
10.0%
Q4 25
99.6%
Q3 25
16.5%
Q2 25
42.8%
Q1 25
23.4%
Q4 24
87.5%
Q3 24
84.1%
Q2 24
9.3%
Cash Conversion
CWT
CWT
ESRT
ESRT
Q1 26
Q4 25
4.17×
7.74×
Q3 25
2.73×
7.72×
Q2 25
1.16×
2.35×
Q1 25
2.88×
5.27×
Q4 24
3.50×
13.88×
Q3 24
1.68×
4.51×
Q2 24
2.33×
1.30×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CWT
CWT

Residential$133.2M63%
Business$47.7M23%
Public Authorities$13.4M6%
Industrial$6.9M3%
Non Regulated Services$4.8M2%
Other Non Regulated Service$1.2M1%

ESRT
ESRT

Rental revenue (1)$166.1M87%
Observatory revenue$18.5M10%
Other revenue and fees$4.1M2%
Lease termination fees$1.4M1%
Third-party management and other fees$277.0K0%

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