Assistant Project Managers in Seattle command a $115K, $161K base salary range in 2026, with total compensation climbing to $127K, $209K when bonuses and per-diem allowances are factored in. This range reflects real placement data from Amundson Group’s Seattle-area construction recruiting network and accounts for the region’s cost of living and competitive labor market.
Assistant Project Manager salary range in Seattle: $115K, $161K base
The $115K, $161K range represents typical base compensation for Assistant Project Managers across Seattle’s construction sector. The spread reflects meaningful differences in experience, project complexity, employer size, and construction vertical.
An Assistant PM managing a small $5-10M commercial renovation may land at the lower end ($115K, $130K), while someone overseeing a $30M+ multifamily or infrastructure project typically earns $140K, $161K. Mid-market firms often anchor around $130K, $145K for candidates with 5-8 years of field and office experience.
Total compensation is typically higher. Bonuses (10-20% of base), truck allowances, per-diem, and overtime add $11,500, $48,300 annually on top of base salary. A $135K base APM might reasonably expect $150K, $175K all-in, depending on project profitability and company bonus structure.
What drives Assistant Project Manager pay in Seattle’s construction market
Seattle’s construction market remains robust, driven by ongoing commercial development, multifamily growth in urban corridors, and major civil infrastructure projects. The region’s relatively high cost of living, property taxes, housing, and labor costs significantly exceed national averages, creates upward wage pressure. Salaries here are typically 8-15% higher than Midwest markets and 5-10% higher than many Sun Belt regions.
The local sector mix also matters. Seattle has a strong commercial and tech-office segment (though reshaped post-2023), active multifamily development, and significant heavy civil work tied to transportation and utility upgrades. Companies executing complex, schedule-critical projects tend to pay at the higher end of the range. Smaller, project-based firms may offer less base but stronger bonus upside.
Labor market tightness is real. Construction unemployment in Washington State has hovered below 4% in recent years, and experienced field-to-office talent remains scarce. Firms compete aggressively for APMs with proven cost control, scheduling, and safety chops.
Assistant Project Manager compensation by experience level
Seattle APM salaries scale meaningfully with experience. Use these ranges as benchmarks; individual offers depend on project size, company maturity, and specific skill sets.
- 3-5 years of experience: $98K, $121K base
- Typically field supervisors or junior office coordinators stepping into APM role; strong learning curve but proven on-site judgment.
- 5-10 years of experience: $115K, $138K base
- Core APM market. Candidates managing schedules, budgets, and trade coordination on mid-size projects.
- 10-15 years of experience: $138K, $161K base
- Senior APMs or APMs on complex/high-value work. Likely handling multiple projects, mentoring, or specialized sectors (heavy highway, industrial, energy).
- 15+ years of experience: $161K, $193K+ base
- Transitional to Senior PM or PM role. Rare in pure APM title; many move to PM or operations leadership by this tenure.
Benefits + total comp beyond base
Seattle-area construction firms typically structure APM packages as follows:
- 401(k) match: 3-6% of base (some firms vest immediately; others use 3-5-year schedules).
- Health insurance: Employer covers 80-90% of employee premiums; dental and vision standard.
- Truck allowance / per-diem: $400, $800/month for on-site project work, or mileage reimbursement.
- Bonus structure: 10-20% of base, tied to project margin, safety KPIs, or company EBITDA.
- Overtime: Salary-exempt APMs don’t receive OT pay, but some firms offer project bonuses or time-off buyouts on extended hours.
- PTO: Typically 15-20 days annually; 5-10 sick days separate.
A $130K base APM with a 15% bonus, $600/month truck allowance, and 4% 401(k) match sees roughly $160K in total annual value.
What Seattle construction companies pay top performers
Placement data from Amundson Group shows that top-tier APMs, those with a track record of on-time, under-budget project delivery, strong safety cultures, and proven cost control, command above-range pay. A high-performer managing a $50M+ mixed-use or industrial project can see base offers in the $170K, $193K range, especially at established or well-capitalized firms.
Competition for these candidates is fierce. Firms will sweeten packages with signing bonuses (typically $5K, $15K), accelerated 401(k) vesting, premium health plans, or guaranteed annual bonus minimums. Some regional and national firms offer tiered performance bonuses that can push all-in comp to $200K+ for exceptional execution.
Retention is a priority; companies are increasingly offering project completion bonuses, equity participation (for senior APMs), and clear promotion pathways to Senior PM or Project Executive roles. The best candidates rarely stay on the market long.
See Amundson Group’s full Assistant Project Manager Salary Guide
This data is part of Amundson Group’s Salary Guide, updated quarterly with real placement data from our construction recruiting network across the US. We track commercial, civil and heavy highway, multifamily, industrial, and energy verticals to keep salary benchmarks current.
If you’re hiring or exploring roles, contact our team or browse current openings in Seattle and the Pacific Northwest. Amundson Group’s custom AI-assisted screening and market intelligence help companies and candidates find the right fit, at the right price.