Rendering Compact · one level
The Alder
- Size
- 520 sq ft
- Bed · bath
- 1 · 1
- Stories
- One level
- Garage
- None
$297,049package price
Excludes permits, utility connections and sales tax. Builder's grade on a flat lot.
You came from HousUp. This is United Signature, HousUp's partner builder for Washington — its own homes, prices and process. The free property report is still HousUp's.
Backyard home packages
Five backyard homes. One price each.
Every price is builder's grade on a flat lot and includes construction, the builder's fee and design & engineering. Permits, utility fees and sales tax are extra.
Rendering 
Photo · built One level, with a garage
The Cedar
- Size
- 800 sq ft + 249 sq ft garage
- Bed · bath
- 2 · 1
- Stories
- One level
- Garage
- Attached
$431,312package price
Excludes permits, utility connections and sales tax. Builder's grade on a flat lot.
Photo · built Two-story, small footprint
The Willowmere
- Size
- 1,000 sq ft
- Bed · bath
- 2 · 2.25
- Stories
- Two levels
- Garage
- Add-on
$392,427package price
Excludes permits, utility connections and sales tax. Builder's grade on a flat lot.
Rendering Three bedrooms, with a garage
The Phinney
- Size
- 995 sq ft + 424 sq ft garage
- Bed · bath
- 3 · 2
- Stories
- Two levels
- Garage
- Attached
$437,593package price
Excludes permits, utility connections and sales tax. Builder's grade on a flat lot.
Photo · built Two levels, 2–3 bedrooms
The Backyard Residence
- Size
- 1,100–1,300 sq ft
- Bed · bath
- 2–3 · 2.5
- Stories
- Two levels
- Garage
- None
$399,643package price
Excludes permits, utility connections and sales tax. Builder's grade on a flat lot.
Rendering Compact · one level
The Alder
A parent, a first place, a studio that earns.
- 520 sq ft
- One level
- 1 bed
- 1 bath
- Kitchen, one bedroom and one bath on a single level
- Three roof lines to choose from: gable, shed, or modern flat
- The standard finish, included
$297,049package price
Does it fit my lot? → 
Cost and materials breakdown
Where the money goes
- Labor & supervision$50,000
- General conditions$4,950
- Site work & foundation$58,312
- Structure & envelope$53,010
- Systems & appliances$23,225
- Interior finishes$19,952
- Cleanup & handover$8,600
- Construction$218,049
- Builder's fee$50,000
- Design & engineering$29,000
- Package price$297,049
Materials, as priced
- CabinetsWood construction, soft-close · white or grey Shaker doors and face frames
- Countertops2 cm white quartz · 4″ backsplash, square-cut edge
- Shower / tub60″ molded fiberglass stall or tub/shower · integrated shelves · grab-bar blocking
- FloorTile
- CeilingsVaulted in the living space where the plan allows
- FloorsLuxury vinyl plank throughout · tile in the bath
- SidingTyvek wrap with Hardie lap siding · Sherwin-Williams paint
- RoofAsphalt shingle · gutters and downspouts
Photo · built One level, with a garage
The Cedar
One level, no stairs, room for two — and a garage.
- 800 sq ft + 249 sq ft garage
- One level
- 2 bed
- 1 bath
- One level, no stairs: kitchen with an island, two bedrooms and a full bath
- An attached 249 sq ft garage
- The standard finish, included
$431,312package price
Does it fit my lot? → 
Cost and materials breakdown
Where the money goes
- General requirements, incl. project supervision$61,200
- Site preparation & excavation$32,062
- Concrete & foundation$24,850
- Framing & rough carpentry$61,300
- Exterior envelope$41,400
- Windows & doors$17,300
- Interior finishes$53,800
- Appliances$6,600
- Mechanical & plumbing$33,200
- Electrical$20,600
- Construction$352,312
- Builder's fee$50,000
- Design & engineering$29,000
- Package price$431,312
Materials, as priced
- Siding8¼″ Cedarmill HardiePlank lap, 7″ to weather, painted
- Roof265 lb/sq fiberglass architectural composition shingle
- FloorsLuxury vinyl plank in living areas · porcelain tile in wet areas
- KitchenShaker-style soft-close cabinets · quartz countertops
- Heating & coolingDuctless multi-zone heat pump, two indoor heads · back-up wall heaters
- Hot waterHeat pump water heater, NEEA Tier III
- Wall insulation2 × 6 at 16″ o.c., R-21 batt, R-10 insulated headers
- AtticManufactured trusses, R-60 blown, raised heel
Photo · built Two-story, small footprint
The Willowmere
Two bedrooms, two and a quarter baths, on a small footprint.
- 1,000 sq ft
- Two levels
- 2 bed
- 2.25 bath
- Living, a kitchen with an island and a powder room on the ground floor, plus a storage room
- Two bedrooms upstairs with closets; a full bath and a three-quarter bath
- Add-ons: a roof deck (+$20,000) and an attached garage (+$50,000)
$392,427package price
Does it fit my lot? → - + Attached garage$50,000
- + Roof deck$20,000
Cost and materials breakdown
Where the money goes
- Labor & supervision$50,000
- General conditions$4,702
- Site work & foundation$78,119
- Structure & envelope$81,843
- Systems & appliances$45,363
- Interior finishes$30,398
- Cleanup & handover$6,802
- This plan’s differences$16,200
- Construction$313,427
- Builder's fee$50,000
- Design & engineering$29,000
- Package price$392,427
- Add-on · Attached garage+ $50,000
- Add-on · Roof deck+ $20,000
Materials, as priced
- CabinetsWhite or grey Shaker · wood, soft-close
- Countertops2 cm quartz · 4″ backsplash, square-cut edge
- Shower / tubShower and tub surrounds · molded pan
- FixturesKingsmore / Porious · single-handle
- Siding8¼″ Hardie lap · Tyvek weather barrier
- Roof15-year asphalt shingle, black
- Heating & coolingTwo-head mini-split · electric heat in bedrooms
- FloorsLVP on the main floor · carpet on the stairs and upstairs
Rendering Three bedrooms, with a garage
The Phinney
Three bedrooms. A family, or two tenants.
- 995 sq ft + 424 sq ft garage
- Two levels
- 3 bed
- 2 bath
- Three bedrooms and two baths in 995 sq ft, over two floors
- An attached 424 sq ft garage and an 86 sq ft covered balcony
- The standard finish, included
$437,593package price
Does it fit my lot? → 
Cost and materials breakdown
Where the money goes
- Labor & supervision$50,000
- All trades — site, structure, systems and finishes$308,593
- Construction$358,593
- Builder's fee$50,000
- Design & engineering$29,000
- Package price$437,593
Materials, as priced
- CabinetsWhite Shaker, soft-close
- Countertops2 cm quartz, square edge
- WallsR-21 with continuous exterior foam
- CeilingsR-49 vaults · R-60 flat ceilings
- SystemDuctless mini-split heat pump, dual-zone, with zonal electric support on separate thermostats
- LookLight-gray lap siding · white trim · charcoal shingles · white garage door
Photo · built Two levels, 2–3 bedrooms
The Backyard Residence
The full second home. Rent it, sell it, or keep it.
- 1,100–1,300 sq ft
- Two levels
- 2–3 bed
- 2.5 bath
- Two levels · 2–3 bedrooms · 2.5 baths
- Hardie 7¼″ smooth lap, black architectural shingles, black fiberglass entry
- The standard finish, included
$399,643package price
Does it fit my lot? → 
Cost and materials breakdown
Where the money goes
- Labor & supervision$50,000
- Site work & foundation$82,230
- Structure & envelope$86,150
- Systems & appliances$45,875
- Interior finishes$32,838
- General conditions & cleanup$13,550
- Larger plan — 2–3 bed, 2.5 bath (July 3, 2026)$10,000
- Construction$320,643
- Builder's fee$50,000
- Design & engineering$29,000
- Package price$399,643
Materials, as priced
- SidingHardie 7¼″ smooth lap · 5/4 × 4 trim
- RoofBlack 15-year asphalt shingle
- CabinetsTier-one Craftsman / Shaker, grey or white
- Countertops2 cm white quartz · 4″ backsplash · tile backsplash
- CountersCultured tops
- FloorsTile in the primary and main baths
- Heating & coolingTwo ductless mini-split systems · bath exhaust and in-wall bath heaters
- PlumbingPEX supply, ABS drains
Looking for a floor plan?
Eight floor plans, 550 to 1,213 sq ft plus an attached studio, each with a spec sheet.
See the floor plans →Eight floor plans, 550 to 1,213 sq ft plus an attached studio, each with a spec sheet.
Recent proposals
What we've actually quoted
Six real United Signature bids from 2026, as quoted, with the client's name and address left out. Your price depends on your lot, your plan and your selections.
RenderingEverett · Aug. 3, 2026
Two-story backyard home
815 sq ft · 2 bed / 1.5 bath · two stories
$416,089as quoted
See the full proposal (PDF) → 
RenderingSnohomish County · Aug. 17, 2026
Backyard home with a garage and an office
1,197 sq ft + garage · 2 bed + office / 2.5 bath
$475,408.92as quoted
See the full proposal (PDF) → 
RenderingEverett · Sept. 14, 2026
Three-bedroom companion home with a garage
999 sq ft + garage · 3 bed / 2.5 bath
$424,000as quoted
See the full proposal (PDF) → 
RenderingEverett · July 2026
Two one-bedroom homes, one building
±960 sq ft · two units, each 1 bed / 1 bath
$421,988as quoted
See the full proposal (PDF) → 
RenderingSeattle · Aug. 17, 2026
Three sizes priced for one lot
600 to 995 sq ft · 1 to 3 bedrooms
$321,580–$438,593three options
See the full proposal (PDF) → 
Before · photo
After · renderingRedmond · Oct. 2, 2026
Rear extension and a new bathroom
≈ 208 sq ft added · a home addition
$145,000as quoted
See the full proposal (PDF) → How the price works
Three lines. No surprises.
Construction
Everything from excavation to keys, in the standard finish below.
Builder's fee
$50,000, shown as its own line.
Design & engineering
$29,000 — plans, civil, structural, geotechnical and survey as needed.
In every package
- Hardie lap siding with 5/4 × 4 trim
- 15-year architectural asphalt roof
- Vinyl windows, fiberglass entry door
- Two-head ductless mini-split; electric heat in bedrooms
- White or grey Shaker cabinets
- 2 cm quartz kitchen counters, 4″ backsplash
- Tub and shower surrounds; Kingsmore / Porious fixtures
- LVP floors in living areas, carpet in bedrooms
- PEX plumbing, ABS drains, wire closet shelving
What the price assumes
- Builder's-grade finishes: the standard finish in every package
- A flat lot. Slope, soils and access are priced after the site visit.
- Anything beyond the standard finish is priced at design.
Not in the price
- Permit fees
- Utility and connection fees (sewer, water, power)
- Sales tax — roughly $30,000–$45,000 at local rates
- Site conditions a desk study can't see: slope, soils, tree protection, a long sewer run
- Furniture, landscaping beyond restoring what the build disturbed
Which one fits your lot?
Two minutes to ask. A few hours to know.