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Quick Answer: For King County move-up sellers, a HELOC (8-10% interest, 30-45 day approval) works best for planned moves in 4-6 months. A bridge loan (10-12% interest, instant approval) wins if you need to close within 30 days in competitive markets. A cash-out refinance is rarely the answer—rates are higher and equity takes months to access.
If you own a home in King County but want to move, you’re stuck: how do you buy your next house without selling this one first?
Three strategies exist, and which one saves you the most money depends on your timeline, your current home’s equity, and where you’re buying next.
Strategy #1: Bridge Loan — Speed Over Everything
A bridge loan borrows against your current home’s equity to fund the down payment on your next property. You pay it back when your current home sells.
How it works:
- Contact a bridge lender (private, not a traditional bank)
- They approve you based on your home’s equity and sale likelihood
- Funds wire in 3-7 days
- You close on your new King County home
- Your old home sells; proceeds pay off the bridge loan + interest
Costs:
- Upfront: 1-3% of loan amount ($5,000-$15,000 on $500K)
- Interest: 10-12% annually
- Carrying costs: Double mortgage/tax/insurance until sale
- Total cost for 90-day hold: ~$15,000-$25,000
When it works:
- You’re buying in Bellevue, Sammamish, or Issaquah (competitive markets)
- You need to close in 30-60 days
- Your current home has solid equity and will sell
- You can absorb $20K-$40K in financing costs
When it doesn’t:
- Your current home is in a slow market (Auburn, Enumclaw) — costs explode if it takes 120+ days
- Your home’s value is uncertain or has structural issues
- You’re buying something modest where a contingency offer would work
Strategy #2: HELOC — Flexibility Without Speed
A Home Equity Line of Credit lets you borrow against your home’s equity whenever you need it. Unlike a bridge loan, you pay interest only on what you draw.
How it works:
- Apply to your bank for a HELOC (typically 80-85% of equity)
- Approval takes 30-45 days
- Once approved, you have a “draw period” (usually 10 years) to borrow what you need
- Use the funds for your down payment
- Pay interest on draws until your home sells, then pay it off
Costs:
- Upfront: Usually $0 (no origination fees)
- Interest: Prime + 1-2% (currently 8-10%)
- On $200K draw for 4 months: ~$6,000-$8,000 in interest
- Carrying costs: Double mortgage/tax/insurance until sale
When it works:
- You have 45+ days before closing
- Your credit is solid and income is recent/stable
- You prefer lower interest rates over instant approval
- Your current home is in a market that typically sells in 60-120 days
When it doesn’t:
- You need funds in the next 30 days
- Your credit is shaky or income is recent/variable
- Interest rates spike — your monthly payment jumps
- Your current home sits unsold for 120+ days
Strategy #3: Cash-Out Refinance — Rarely the Answer
A cash-out refi lets you refinance your current mortgage and pull out equity as cash. Sounds simple, but the math almost never works.
Why it fails for most move-up sellers:
- Rates are worse: Cash-out refis have rates 0.5-1% higher than regular refis. Current rates: 6.5-7.5% (vs. 5.5-6.5% for standard refi)
- Fees are high: $3,000-$5,000 in closing costs
- Timeline is slow: 30-45 days to close, same as a HELOC
- You’re locked in: New mortgage, new term. If rates drop, you’re stuck
- Total cost for $150K equity pull: ~$5,000 fees + $10,000+ extra interest over loan term
When it might work:
- You’re refinancing anyway (rate drop happened)
- You need significant cash and your current mortgage is at a great rate
- You’re willing to accept a longer loan term for lower monthly payments
Side-by-Side Comparison
| Factor | Bridge Loan | HELOC | Cash-Out Refi |
|---|---|---|---|
| Speed to funds | 3-7 days | 30-45 days | 30-45 days |
| Interest rate | 10-12% | 8-10% (variable) | 6.5-7.5% |
| Upfront costs | $5K-$15K | $0-500 | $3K-$5K |
| Monthly carrying (on $500K) | $4,000-$5,000 | $3,000-$4,000 | Depends on new loan term |
| Qualification difficulty | Moderate | Higher (traditional bank) | Higher (full underwriting) |
| Risk level | Moderate (rate lock, clear timeline) | Moderate-High (rates fluctuate) | Moderate (locked rate, refi risk) |
Which Strategy Fits Your Situation?
Choose bridge if: You’re buying in a competitive King County neighborhood (Bellevue, Sammamish, Issaquah) and need to close fast. Your current home will sell within 90-120 days.
Choose HELOC if: You have 45+ days and stable income. You prefer lower rates and want flexibility. Your current home is in a market that moves homes in 60-180 days (Renton, Kent, Auburn).
Choose cash-out refi if: You’re refinancing anyway due to rate drops. You don’t mind a new 15-30 year mortgage term. You’re pulling significant equity ($200K+).
The Real King County Angle
I walk through hundreds of homes every year as a BPO field agent. That work taught me something most real estate agents miss: how fast your current neighborhood actually moves.
A home in Sammamish or Bellevue? Expect 30-45 days, sometimes 14 days in spring. Bridge loan wins.
A home in Kent, Auburn, or Enumclaw? Expect 60-120 days. HELOC is cheaper and gives you time.
A home in Federal Way or Covington? Expect 45-90 days. Either works, but HELOC’s lower rate saves money if you have the approval time.
Key Takeaways
- Bridge loans are fast but expensive—use them only if speed is worth $20K-$40K
- HELOCs are cheaper and flexible—best for buyers with 45+ days and stable income
- Cash-out refis rarely make sense for move-up buyers—the math almost never works
- Your neighborhood’s days-on-market should drive your choice
- Talk to an agent who knows your area. I can predict your current home’s timeline and help you pick the strategy that saves money.
Ready to Make Your Move?
If you’re thinking about upgrading or relocating in King County, let’s talk about which financing strategy makes sense for you. I’ve helped dozens of clients navigate this exact scenario, and I know the South and East King County markets inside and out.
Schedule a free 20-minute consultation. I’ll assess your current home’s market position, your target neighborhood’s competitiveness, and which financing option keeps costs low while keeping you in control.
Gregory Dorrell | Coldwell Banker Danforth | 253-350-0045
greg@livingoutsideseattle.com | www.livingoutsideseattle.com
Your guide to life outside Seattle.
Gregory Dorrell is a REALTOR® with Coldwell Banker Danforth specializing in East and South King County. WA License #111862. 9+ years as a BPO field agent.
