Prepared Paint Price Trends: PPI Comparison Guide for Estimators

For construction estimators, drywall contractors, and general contractors managing interior finishes, pricing paints and coatings requires reliable market data. Fluctuating material costs can quickly erode margins on commercial projects that take months or years to execute. Evaluating government price benchmarks helps estimators compare long-term shifts against recent pricing movements to make objective allowances in bids.
Comparing Short-Term and Long-Term Paint Price Movements
According to data published by the U.S. Bureau of Labor Statistics Producer Price Index (PPI), the commodity index for Chemicals and allied products-Prepared paint (series WPU0621) stood at 452.9 in September 2026. When comparing this latest level across multiple planning horizons, estimators can see distinct shifts between short-term stability and long-term cost escalation.
Over the short term, the index rose from 431.4 in September 2025 to 452.9 in September 2026, representing a 1-year increase of +5.0%. Extending the comparison window back two years shows that the index measured 419.4 in September 2024, reflecting an 8.0% increase to the latest mark. In the very immediate term, prices saw a slight pullback: the index dropped by -0.2% between August 2026 and September 2026, easing down from the series high of 454.0 recorded in August 2026.
Looking at longer horizons reveals far larger cost growth. Five years prior, in September 2021, the index was 343.0, meaning prices have increased +32.0% over that span. Comparing current levels to the pre-pandemic benchmark of January 2020, when the index stood at 303.0, shows a cumulative rise of +49.5%. Within the broader window tracked from January 2016 through September 2026, the lowest monthly value occurred in March 2016 at 271.1.
Benchmark Comparison Table: Prepared Paint PPI Metrics
The table below compares the latest September 2026 figures against key historical baselines and peak values from the BLS data series.
| Comparison Benchmark | Reference Period | PPI Value | Change to September 2026 |
|---|---|---|---|
| Latest Month | September 2026 | 452.9 | 0.0% |
| High in Window (Jan 2016–Sep 2026) | August 2026 | 454.0 | -0.2% |
| One Year Earlier | September 2025 | 431.4 | +5.0% |
| Two Years Earlier | September 2024 | 419.4 | +8.0% |
| Five Years Earlier | September 2021 | 343.0 | +32.0% |
| Pre-Pandemic Benchmark | January 2020 | 303.0 | +49.5% |
| Lowest in Window | March 2016 | 271.1 | N/A |
Annual Averages and the Recent 13-Month Trajectory
Annual averages offer another comparison angle for contractors reviewing past job actuals against future projections. In 2016, the annual average for prepared paint was 271.6, rising to 274.6 in 2017, 285.6 in 2018, and 299.1 in 2019. The annual average rose to 305.2 in 2020, followed by a jump to 329.9 in 2021 and 406.3 in 2022. The index continued upward to 420.3 in 2023, settled slightly to 418.3 in 2024, and reached 425.8 in 2025. For 2026, the annual average calculated across January through September stands at 445.3.
Looking at the last 13 consecutive months shows how price trends developed across late 2025 and 2026:
- September 2025: 431.4
- October 2025: 432.7
- November 2025: 433.1
- December 2025: 434.6
- January 2026: 435.5
- February 2026: 440.3
- March 2026: 440.6
- April 2026: 443.3
- May 2026: 446.9
- June 2026: 446.8
- July 2026: 447.8
- August 2026: 454.0
- September 2026: 452.9
Comparing Fixed Proposals to Index-Linked Escalation
When estimators prepare trade packages, choosing between a purely fixed-price quote and an indexed proposal directly influences financial risk. A static bid forces the subcontractor to absorb all cost growth between bid day and material procurement. In an environment where prepared paint has climbed +49.5% since January 2020 and +5.0% over the last year alone, fixed pricing carries exposure on extended commercial schedules.
Instead of absorbing uncontrolled inflation or inflating base proposals with excessive safety margins, contractors can address volatility directly in their bid documents. Documenting clear baseline assumptions in your bid exclusions and clarifications protects your estimate from open-ended exposure. When project starts are delayed or performance periods run long, index-based price adjustments provide an objective formula for pricing change orders that clients and owners can verify independently.
How to Reference the BLS Paint Index in Bids
To implement an index-based escalation mechanism successfully, estimators should follow clear procedural guidelines in their contract proposals:
- Cite the exact series title and identifier: Refer specifically to the BLS PPI commodity series WPU0621, titled "Chemicals and allied products-Prepared paint, not seasonally adjusted."
- Establish the index base period: Note that the series operates on an index base period of 1982 = 100.
- Document the bid baseline index value: Record the published index value available at the time of your estimate, such as 452.9 for September 2026.
- Account for preliminary data rules: BLS monthly values are not seasonally adjusted, and recent months are preliminary and subject to revision for four months after initial publication. Your clause should explicitly state whether contract adjustments rely on preliminary figures or await final revised numbers.
Sources
Published October 28, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.