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Love your house.
Out of room?
Moving costs about $63,000 on an $845,000 home — and trades your rate for today's. A backyard home, a rental, an addition: see what your lot could hold instead, free.
Keep your rate. See what your lot could hold instead, free.
- 51.5%
- of mortgaged owners hold a rate under 4% Redfin · FHFA, Feb. 2026
- $63,400
- to sell an $845,000 home and move Clever, Aug. 2026 · WA DOR
- 2 more
- homes allowed on most Washington city lots since 2023 HB 1337 · RCW 36.70A.681
- Finding the parcel
- Reading the county record
- Framing the aerial
- $63,400to sell an $845k home and move
- 51.5%of mortgaged owners hold a rate under 4%
- 2 morehomes allowed on most city lots
Clever, Aug. 2026 · WA DOR · Redfin · FHFA, Feb. 2026 · RCW 36.70A.681
Moving fixes the room. It costs you the rate.
Thirty-seven seconds on the house you love, the rate you'd lose, and the room that may already be on your lot.
Start with the goal. We'll work out what fits.
Real projects around Puget Sound, one for each reason people do this. Pick yours and we'll point the report at it.
Room for familyParents close by, kids back home, a place of their own.A backyard home · Snohomish 
Rental incomeA second home on the lot you already pay for.Three homes on one lot · Crown Hill, Seattle 
More spaceAn addition, a second story, the garage you never park in.A home addition · Mill Creek 
Value, stay or sellWhat it could do for the property, with sources.A two-level backyard home · Kirkland 
Upgrade the houseKitchen, bath, whole home — a different path, same door.A whole-home rebuild · Beacon Hill, Seattle 
Not sure yetFine. Tell us the address and we start there.Start with the address Four pages. Your property, in plain language.
- Your parcel and your city's rules, translated
- How much of the lot you could build on, and what sizes may fit
- What it might cost, and what it could do for the property — with sources
- What to do next, and what only a site visit can settle
- How people pay for it — equity, a construction loan, rent that helps — with sources
A preliminary estimate from public records — not a guarantee of approval, value or final cost.
Three steps. The first is the only one you do.
Ask
Your address and your goal. Two minutes on your phone, no visit.
We look
Zoning, setbacks, slope, flood, utilities — the public record for your parcel, read by people who do this every day.
You decide
Your free report within a few hours: what may be possible, what it might cost, what to do next. Or nothing at all.
If something won't fit on your lot, the report says so — and shows what might.
People are already doing this.
Backyard homes, additions and garage conversions on ordinary lots in ordinary neighborhoods. Since 2023, most Washington city lots can hold up to two more homes.
The same house, with more of it.
A rear extension in Redmond, 2026. The "before" is the real photo, lightly retouched; the "after" is the builder's rendering.
Free for you. Here's why, and what it is.
Who's behind it
HousUp is operated by HousUp LLC in Everett, Washington. HousUp doesn't build anything and doesn't claim to.
How the report is made
A desk study from public records — parcel data, zoning and development codes, flood maps, mapped critical areas — within a few hours. If the system isn't sure, a person looks first.
Why it's free
The report costs you nothing and carries no obligation. If you ask to go further and sign with a partner builder, that builder pays HousUp a program fee. Any price you're quoted comes from the builder, in writing, before you sign — and you're free to use any contractor.
What it isn't
Not a survey, a permit, an appraisal or a construction price. What a desk study can't see — utilities, easements, trees, soils — is settled on site, before anything is proposed.
Read before you decide.
What could your lot hold? A checklist
Eleven things worth checking before you spend money on anyone’s design: access, slope, trees, easements, sewer, and the four rules your city sets above the state floor.
Read → What a backyard home really costs in Snohomish County
Roughly $270,000 to $450,000 and up, and the line items that decide where inside that range a project lands. Every figure cited and dated.
Read →
How a backyard home gets built, step by step
From a free look at your lot to the keys: the seven stages, about how long each one takes, how the money moves, and the three points where the decision is still yours.
Read →Is this really free?
Yes. No obligation, no sales call. The report is yours whatever you decide.
Who builds it, if I go ahead?
HousUp doesn't build. If you want to go further, HousUp introduces its partner builder for your area — only if you ask. The fixed price and the construction agreement come from that builder, after a site visit and a design, and you're free to use anyone.
What if my lot doesn't have room?
The report says so, plainly, and shows what might work instead — an addition, a conversion, an upgrade.
I'm working with a real estate agent. Does that change anything?
The report is still free, and your agent stays your agent. If your agent sent you, the report goes to you both. Any price still comes from the builder, in writing, and you're free to use any contractor.
Your clients aren’t moving. Your business can still grow.
A free property report for the homeowners you already know, with your name on page one.
What could your property become?
Two minutes to ask. A few hours to know. Move up without moving.