Tools
Free calculators for Seattle buyers & sellers.
No sign-up. No email gate. Pure math, in your browser. Built for Greater Seattle and Washington-state-specific rules — REET tiers, local property taxes, 2026 mortgage rates, and any agent-set fee you want to evaluate.
If you're buying
Recommended order
- Affordability — find your max price
- Mortgage calculator — see the monthly payment
- Closing costs — know your cash-to-close
- Buyer rebate — model any flat-fee buyer-agent offer
- Rent vs. buy — sanity-check the timing
If you're selling
Recommended order
- Commission savings — flat fee vs. 3%
- WA excise tax (REET) — what the state takes
- Net proceeds — what you actually walk with
For buyers
Buyer tools
Mortgage Calculator
Monthly payment, taxes, insurance, PMI
Estimate your full monthly payment (principal, interest, property taxes, insurance, HOA, and PMI) for a Greater Seattle home.
Open tool →Buyer Rebate Calculator
How much commission stays in your pocket
Compute the rebate you would receive at closing under any flat-fee buyer-agent offer against the seller-offered commission.
Open tool →Affordability Calculator
How much house can I afford
Reverse-solves the maximum home price you can afford given your income, debts, down payment, and DTI ratio.
Open tool →Buyer Closing Cost Estimator
Lender, title, escrow, and prepaids
Itemized estimate of buyer closing costs in Washington — lender fees, title insurance, escrow, recording, and prepaids.
Open tool →Rent vs. Buy Calculator
Break-even and total-cost comparison
Compare the total cost of buying vs. renting in Seattle over your expected holding period, with appreciation and rent growth.
Open tool →For sellers
Seller tools
Commission Savings Calculator
Any flat fee vs. any percentage commission
Compare a flat-fee listing against a percentage commission to see the dollar difference at any Greater Seattle home price.
Open tool →Seller Net Proceeds Estimator
What you actually walk away with
Estimate your take-home from a sale: price minus mortgage payoff, listing fee, buyer-agent commission, WA excise tax, and closing costs.
Open tool →WA Excise Tax (REET) Calculator
Graduated state + local REET
Calculate Washington's tiered real estate excise tax (1.10 / 1.28 / 2.75 / 3.00%) plus local REET for your county or city.
Open tool →Want to compare every Seattle agent's fee?
Manaky Homes is the upcoming public marketplace where flat-fee, percentage, hybrid, and performance-based agents are listed side by side — with prices the agents set themselves. Free to use, no consumer fees ever.