21 E Sullivan Street, Allyn, WA 98524 (MLS # 2498531)
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Exceptional newer construction duplex with North Bay views in Allyn! Built in 2022, this thoughtfully designed 2-story duplex offers a rare investment or living opportunity with two identical mirrored units, each featuring a spacious open-concept layout, high ceilings, and durable vinyl plank flooring throughout. Each unit includes a beautifully appointed kitchen with an 8-foot quartz island, farmhouse sink, propane range, crown molding cabinetry, and soft-close cabinets, ideal for everyday living and entertaining. The primary suite offers a walk-in closet and an ensuite bath with soaking tub, oversized walk-in shower, and double sinks. Additional features include tankless on-demand water heaters, dedicated mudrooms, and two-car garages for each unit. Situated on a fully fenced 7,841 sq ft lot, the property offers peaceful North Bay territorial and partial water views. Conveniently located near Lakeland Village Golf Course and the Allyn waterfront. Investment highlights include projected gross rents of $67,080 annually, 6% vacancy estimate, and adjusted gross income of $63,055. Operating expenses approximately $6,585 annually with an estimated NOI of $56,470. At a list price of $989,000, this reflects an approximate 5.7% cap rate. Buyer to verify all information to their satisfaction.
| LAST UPDATED | 3/26/2026 | TRACT | Allyn |
|---|---|---|---|
| YEAR BUILT | 2022 | COMMUNITY | Allyn |
| GARAGE SPACES | 4.0 | COUNTY | Mason |
| STATUS | Active | PROPERTY TYPE(S) | Multi Family |
| Elementary School | Buyer To Verify |
|---|---|
| Jr. High School | Buyer To Verify |
| High School | Buyer To Verify |
| ADDITIONAL DETAILS | |
| AIR | None |
|---|---|
| APPLIANCES | Tankless Water Heater |
| AREA | 180 - North Mason |
| CONSTRUCTION | Cement Siding |
| GARAGE | Yes |
| HEAT | Electric, Forced Air, Propane |
| LOT | 7841 sq ft |
| LOT DESCRIPTION | Dead End Street, Paved |
| MLS STATUS | Active |
| STORIES | 2 |
| STYLE | 52 - Duplex |
| SUBDIVISION | Allyn |
| TAXES | 4852 |
| UTILITIES | Cable Available, Sewer Connected |
| VIEW | Yes |
| VIEW DESCRIPTION | Bay, Canal, Sound, Territorial |
| ZONING | Multi-Family,Residential |
| SATELLITE VIEW |
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Properties with the 
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Listings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of 3/27/26 6:27 AM PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. IDX information is provided exclusively for consumers’ personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
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