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MARKETS
June 23, 2026

Weekly Municipal Monitor—State and local tax collections shine

By Sam Weitzman

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Macros, markets and munis

Municipals posted positive returns last week and outperformed Treasuries as oil prices continued to decline after President Trump announced that a peace deal with Iran had been signed. Meanwhile, the first Federal Open Market Committee meeting under new Chair Kevin Warsh kept the range for the fed funds rate steady at 3.50%-3.75%. The updated dot plot signaled a hawkish shift, with about half of participants expecting at least one rate hike in 2026, reinforcing the “higher-for-longer” narrative. The Treasury yield curve flattened, with shorter maturities rising 3 to 10 basis points (bps) and longer maturities declining 3 to 7 bps. Municipals saw robust demand that absorbed elevated supply. This week we highlight strong state and local revenue collections.

Demand remained strong amid elevated supply levels

Fund Flows ($1.2 billion of net inflows): During the week ending June 17, weekly reporting municipal mutual funds recorded $1.2 billion of net inflows, according to Lipper. From a vehicle perspective, ETFs garnered the vast majority of net inflows at $1.1 billion. The long-term category recorded $741 million of inflows, the intermediate category reported $444 million of inflows and the short category recorded $2 million of inflows. Last week’s inflows bring year-to-date (YTD) inflows to $49 billion.

Supply (YTD supply of $285 billion; up 11% YoY): The muni market recorded $11 billion of new-issue supply last week, down 37% from the prior week’s level. The YTD new-issue supply of $285 billion is 11% higher than the prior record-issuance year, with tax-exempt issuance up 11% year-over-year (YoY) and taxable issuance up 3%. This week’s calendar is expected to remain elevated at $16 billion. Largest deals include $1.4 billion Los Angeles Revenue Anticipation Notes and $850 million State of Idaho transactions.

This week in munis: State and local tax collections shine

Earlier this month, the US Census Bureau released state and local tax collection estimates for the first quarter of 2026. State and local governments collected an estimated $541 billion of major tax revenue during the quarter, up 5.4% from the 1Q25. Among major revenue sources, individual income tax collections led growth, rising 7.6% YoY, followed by corporate income taxes, which increased 6.9%, and sales taxes, which rose 3.8%. Property tax collections, the primary revenue source for local governments, grew 4.7% YoY.

Exhibit 1: Major Tax Collection Growth—1Q26 vs. 1Q25
Major Tax Collection Growth—1Q26 vs. 1Q25
Source: Census, Western Asset. As of 11 Jun 26. Major state and local tax revenue is not seasonally adjusted. Select the image to expand the view.

On a trailing 12-month basis, total collections rose 5.5% to a record $2.22 trillion. Individual income taxes were again the primary driver, increasing 10.0% YoY. Growth in corporate income tax and sales tax collections was more moderate, at 0.8% and 3.8%, respectively. Rolling 12-month property tax collections increased 2.1% YoY.

Exhibit 2: 12-Month Trailing State and Local Revenue Tax Collections
12-Month Trailing State and Local Revenue Tax Collections
Source: Census, Western Asset. As of 11 Jun 26. Major state and local tax revenue is not seasonally adjusted. Select the image to expand the view.

At the state level, all but seven states recorded growth in major tax collections over the past 12 months, with total state tax collections increasing 6.5% YoY on average. Oregon, up 22% YoY, California, up 12%, and Connecticut, up 12%, posted the strongest gains. Conversely, energy-focused Alaska, was down 14%, and North Dakota, down 8%, experienced the largest YoY declines.

Exhibit 3: YoY Change in 12-Month Trailing State and Local Revenue Tax Collections
YoY Change in 12-Month Trailing State and Local Revenue Tax Collections
Source: Census, Western Asset. As of 11 Jun 26. Major state and local tax revenue is not seasonally adjusted. Select the image to expand the view.

Resilient economic growth and a strong labor market continue to support record tax collection levels and municipal credit fundamentals. As state and local governments navigate lower federal support and inflationary pressures, these elevated revenues should help preserve overall credit stability and fiscal flexibility, which have historically underpinned the high quality of the municipal asset class.

Municipal Credit Curves and Relative Value

Exhibit 4: Muni Credit Curves
Muni Credit Curves
Source: Bloomberg, Western Asset. As of 18 Jun 26. Bloomberg Valuation Service (BVAL) Municipal Credit Indices (AAA, AA, A, BBB, respectively) and US Sovereign Curves. Taxable-Equivalent Muni Credit Curves consider the top marginal effective tax rate of 40.8%. AA Muni is represented by the US General Obligation AA Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured AA General Obligation bonds. A Muni is represented by the US General Obligation A Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured A General Obligation bonds. BBB Muni is represented by the US General Obligation BBB Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured BBB General Obligation bonds. Indices are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results. Select the image to expand the view.
Exhibit 5: Taxable-Equivalent Muni Credit Curves
Taxable-Equivalent Muni Credit Curves
Source: Bloomberg, Western Asset. As of 18 Jun 26. Bloomberg Valuation Service (BVAL) Municipal Credit Indices (AAA, AA, A, BBB, respectively) and US Sovereign Curves. Taxable-Equivalent Muni Credit Curves consider the top marginal effective tax rate of 40.8%. AA Muni is represented by the US General Obligation AA Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured AA General Obligation bonds. A Muni is represented by the US General Obligation A Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured A General Obligation bonds. BBB Muni is represented by the US General Obligation BBB Muni BVAL Yield Curve. The BVAL curve is populated with pricing from uninsured BBB General Obligation bonds. Indices are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results. Select the image to expand the view.
Exhibit 6: AAA Munis vs. Treasuries
AAA Munis vs. Treasuries
Source: Muni Yields: Thomson Reuters MMD, Treasury Yields: Bloomberg. As of 18 Jun 26. Past performance is not a guarantee of future results. It is not possible to invest directly in an index. Select the image to expand the view.
Exhibit 7: Tax-Exempt and Taxable Muni Valuations
Tax-Exempt and Taxable Muni Valuations
Source: Bloomberg, Western Asset. As of 18 Jun 26. Yield-to-worst (YTW) is the lowest potential yield that can be received on a bond without the issuer actually defaulting. AAA, AA, A, BBB Corporate Indices; After-Tax Yield assumes a top effective tax rate of 40.8%. Taxable Muni Index Corporate comparable used is the Global Corporate Aggregate (ex. BBB) to better align credit quality and duration. Select the image to expand the view.

Western Asset Key Themes for Muni Investors

Theme 1: Municipal taxable-equivalent yields moved lower from recent highs, but remain above historical averages.

Exhibit 8: Muni and Taxable-Equivalent Muni Yield-to-Worst
Muni and Taxable-Equivalent Muni Yield-to-Worst
Source: Bloomberg, Western Asset. As of 18 Jun 26. Bloomberg Municipal Bond Index yield considering highest marginal tax rate of 40.8%. Indexes are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results. Select the image to expand the view.

Theme 2: Munis offer attractive after-tax yield pickup vs. longer-duration or lower-quality taxable alternatives.

Exhibit 9: AAA Municipal vs. Treasury Yield Curves
AAA Municipal vs. Treasury Yield Curves
Source: Bloomberg, Western Asset. As of 18 Jun 26. Bloomberg Valuation Service (BVAL) AAA Muni Curve and US On-/Off-the-Run Sovereign Curve. Indexes are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results. Select the image to expand the view.

Theme 3: The muni curve remains steep and offers relative value in longer maturities.

Exhibit 10: Municipal vs. Taxable Fixed-Income Yields by Quality
Municipal vs. Taxable Fixed-Income Yields by Quality
Source: Western Asset, Bloomberg. As of 18 Jun 26. 10- and 30-Year comparison reflects Bloomberg Valuation Service (BVAL) AAA Muni Curve and US On-/Off-the-Run Sovereign Curve. AA Muni reflects the Bloomberg AA Muni Bond Index. A Muni reflects the Bloomberg A Muni Bond Index. BBB Muni reflects the Bloomberg BBB Muni Bond Index. HY Muni reflects the Bloomberg High Yield Muni Bond Index. AA Corp reflects the Bloomberg AA Corporate Bond Index. A Corp reflects the Bloomberg A Corporate Bond Index. BBB Corp reflects the Bloomberg BBB Corporate Bond Index. After-tax yield considers the top marginal tax rate of 40.8%. Indexes are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results. Select the image to expand the view.

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