Cost to Mailbox Installation in Seattle, WA (2026)
If you’re budgeting a mailbox installation in Seattle, most projects run $90-$1,438, 20% above the $350 national average. What moves that number most is usually one thing: Mailbox Style. On its own it can swing the cost by $30 - $800, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: If your existing post is solid and plumb, just replace the mailbox - a new post-mount mailbox costs $20-$60 and installs in 30 minutes with basic tools
In the West Coast (where Seattle sits): Bay Area and Seattle add 25-35%; LA runs 20-25% above average.
$90-$1,438 in Seattle
20% above the national average · 1.20x cost multiplier
In Seattle, a mailbox installation runs $90 to $1,438 on average - about 20% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.
Cost Breakdown in Seattle
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per mailbox installed | $90 | $420 | $2997 |
| Materials | $57 | $342 | $912 |
| Labor | $126 | $315 | $1,134 |
| Permits | $0 | $0 | $0 |
| Total | $183+22% vs. national avg | $657+19% vs. national avg | $2,217+20% vs. national avg |
Budget
Standard T2 post-mount mailbox with basic wood or metal post installation. Includes mailbox unit and setting post in ground.
Mid-Range
Decorative brick or stone surround mailbox with address numbers. Professional installation with new in-ground post and concrete footing.
Premium
Custom stone or brick pillar mailbox with integrated address numbers, solar lighting, and professional masonry installation.
Material Options
Material prices below are national averages; availability in Seattle may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Plastic or Steel Standard Mailbox | $20-$60 per unit | Rural routes, non-HOA properties, quick replacement of a damaged mailboxUSPS-approved, widely available, easy to install, lowest upfront cost |
| Cast Aluminum Mailbox | $80-$250 per unit | Homeowners wanting a step up in curb appeal without full masonry workDurable, rust-free, available in decorative styles, holds paint well |
| Decorative Brick Surround Kit | $150-$400 per kit | HOA communities that require decorative mailboxes, traditional and colonial home stylesSubstantial curb appeal boost, mimics built-in masonry look, relatively DIY-friendly |
| Stone Pillar (Custom Built) | $500-$1,200 installed | High-end properties, luxury communities, homeowners wanting a landmark feature at the driveway entranceHighest curb appeal, unique to your property, very durable, can incorporate lighting and address numbers |
| Cluster Mailbox Unit (CBU) | $150-$350 per unit | Duplex and small multi-family properties, new subdivisions, HOA common areasServes multiple addresses, locking compartments standard, USPS-approved for multi-unit installations |
Other Projects in Seattle
Seattle Estimate
Typical Range
$90-$1,438
vs. National Average
20% above national
Cost Multiplier
1.20x
Cost Per mailbox installed
$90-$2997
This 1.20x estimate prices Seattle labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →