TL;DR: A 100-guest wedding in Federal Way, WA typically costs $32,000 – $55,000, with a realistic middle-of-the-road target around $42,000. Venue and catering together eat roughly 55% of that, and South Sound pricing runs about 10–15% below Seattle proper.
Useful summary
For 100 guests in Federal Way, plan on a per-guest all-in cost of $320 – $550. That covers everything from the venue deposit to the late-night Uber for your flower girl's grandma.
Three budget tiers most couples actually land in:
- Lean but real: $32,000. Community or park venue, buffet catering, DJ, 8-hour photo coverage, grocery-store-plus florals, off-peak Friday or Sunday.
- Standard Federal Way wedding: $42,000. Hotel or winery-style venue, plated or station dinner, beer/wine bar, live DJ, photo + short video, professional florals.
- Elevated: $55,000+. Waterfront or Seattle-adjacent venue, full open bar, band, photo + full video, designer florals, premium stationery.
Most 100-guest couples in South King County land between $38,000 and $48,000 once tips and day-of extras settle in.
Variable data table
Typical allocation for a $42,000 Federal Way wedding with 100 guests:
| Category | Share | Dollar range |
|---|---|---|
| Venue (site fee, rentals, tables, chairs) | 22% | $8,000 – $11,000 |
| Catering + bar (food, beverage, staff) | 33% | $12,000 – $16,500 |
| Photography | 10% | $3,500 – $5,500 |
| Videography | 6% | $1,800 – $3,500 |
| Flowers + décor | 9% | $3,000 – $5,000 |
| Attire (dress, suit, alterations, hair/makeup) | 8% | $2,800 – $4,500 |
| Music (DJ or band, ceremony) | 5% | $1,500 – $3,500 |
| Stationery (invites, signage) | 2% | $600 – $1,200 |
| Officiant, license, rings (non-engagement) | 3% | $1,000 – $2,000 |
| Other (transportation, favors, gratuities, buffer) | 2% | $800 – $2,000 |
Bar math to remember: a hosted beer/wine bar runs about $28 – $45 per guest for 4–5 hours in this market. Full open bar with spirits runs $45 – $75 per guest. That's $2,800 – $7,500 for 100 people — usually the single biggest lever you can pull.
Local context
Federal Way sits between Seattle and Tacoma, which gives you cost advantages and some quirky logistics:
- Venue options locally: Dumas Bay Centre (city-run, waterfront, rental-friendly pricing), Twin Lakes Golf & Country Club, Brooklake Conference Center, and Historic Stone House. Expect $3,500 – $8,500 for a Saturday site fee.
- Day-trip venues worth pricing: Kiana Lodge and Rock Creek Gardens (45–60 min away) often land under Seattle pricing but require guest transportation planning.
- Climate reality: A reliable outdoor ceremony season is roughly mid-June through late September. Book a covered backup for any other date — Puget Sound drizzle doesn't care about your Pinterest board. Tents with sides run $2,500 – $4,500 for 100 guests.
- Season pricing: June–September Saturdays are peak (add 10–20%). November–March and any Friday or Sunday typically save $3,000 – $6,000 off venue and vendor minimums.
- WA sales tax + service charges: Catering invoices in King County add 10.1% sales tax plus a service charge of 18–22%. That turns a $90/plate menu into roughly $117 all-in — build that in before you sign.
- Vendor sourcing: Most couples pull from the broader Seattle-Tacoma vendor pool. Travel fees are usually waived inside South King County but can be $150 – $400 for vendors coming from Snohomish County or beyond.
Internal links
- Size your own numbers with the Wedding Budget Calculator.
- Learn how the category percentages actually work in the Wedding Budget Guide.
- Keep track of what's due when using the Wedding Checklist Guide.
Tool CTA
If the ranges above feel abstract, run your actual numbers. WeddingBot builds a personalized budget for your guest count, venue type, and priorities — and flags where Federal Way couples most often overspend.
FAQ
Is $30,000 enough for a 100-person wedding in Federal Way?
Yes, but you'll need to be intentional. A $30,000 budget works if you choose an off-peak date (Friday, Sunday, or November–April), go with buffet or family-style catering, stick to beer and wine, and keep florals focused on the ceremony and head table. It gets tight if you want a Saturday in July with a plated dinner.
How much should I budget for catering for 100 guests?
Expect $90 – $150 per guest all-in for food, or roughly $9,000 – $15,000 before bar. That includes the meal, staffing, rentals pass-throughs, the 10.1% WA sales tax, and an 18–22% service charge. Buffet is usually 15–20% less than plated.
What's the cheapest way to cut $5,000 without it showing?
Move off Saturday. Shifting from a June Saturday to a Friday or Sunday in the same month typically saves $2,000–$4,000 on the venue alone, plus another $1,000–$2,000 across photo, DJ, and florals. Guests barely notice; your account does.
Do I need a wedding planner in Federal Way?
Full planning runs $4,500 – $9,000 and is optional. Month-of or day-of coordination, at $1,500 – $3,000, is close to mandatory — most Federal Way venues require a licensed coordinator, and it's the single best insurance policy against a timeline collapsing mid-ceremony.
How much should I set aside as a buffer?
5 – 8% of your total budget, held separately. For a $42,000 wedding, that's $2,000 – $3,500. Real examples of what eats it: alterations round two, a day-of umbrella rental, extra hour of photo coverage, a last-minute +2 in the RSVP count.
Are tips included in vendor pricing?
Usually not. Standard Federal Way tipping: $100 – $300 for the officiant, 15–20% for hair and makeup, $50 – $150 per person for catering and bar staff (often built into the service charge — confirm in writing), and $100 – $200 per photographer, DJ, or coordinator.
What should I book first?
Venue and date, then photographer and catering (if not in-house). These three fill 12–14 months out in the Seattle-Tacoma market for peak Saturdays. Everything else can be booked in the 6–9 month window without much risk.
Sources
- The Knot 2024 Real Weddings Study
- WeddingWire Newlywed Report and Cost Guide (Seattle-Tacoma metro)
- Washington State Department of Revenue (sales tax rates for King County)
- U.S. Bureau of Labor Statistics Consumer Expenditure data
Related
- Wedding Budget Calculator
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- Wedding Budget for 50 Guests in Houston, TX
- Wedding Budget for 75 Guests in Houston, TX
- Wedding Checklist Guide
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