13204 12th Avenue Sw, Burien, 98146
MLS® #: 2584770
Active, 19 Days on Market
Listing Office: Kidder Mathews
0
Garages
19
Dom
6,260
Square feet
0.31
Acres
1988
Built
Discover Castlemonte Apartments, an 8-unit investment opportunity located at 13204 12th Ave SW in Burien. Built in 1988, the property features 6,260 rentable square feet across two structures on a 13,350 SF lot zoned MU-1. The unit mix includes a studio, six spacious two-bedroom apartments, and a detached 2-bedroom single-family rental with a private yard. One unit is non-conforming. Property amenities include private balconies and patios, 14 off-street parking stalls, common laundry, and select units with territorial views. Recent improvements include a composition roof installed in 2021. Offered at a 6.75% in-place cap rate, Castlemonte presents an opportunity to increase NOI through rental upside and operational improvements. The two-structure configuration also offers potential to explore subdividing and selling the single-family home separately, subject to buyer verification and municipal approval. Conveniently located near Downtown Burien, Sea-Tac Airport, and major employment centers throughout the Puget Sound region.
Features of 13204 12th Avenue Sw
| MLS® # | 2584770 |
|---|---|
| Price | $1,600,000 |
| Square Footage | 6,260 |
| Acres | 0.31 |
| Year Built | 1988 |
| Type | Residential Income |
| Sub-Type | Multi Family |
| Status | Active |
Community Information
| Address | 13204 12th Avenue Sw |
|---|---|
| Area | 130 - Burien/Normandy Park |
| Subdivision | Burien |
| City | Burien |
| County | King |
| State | WA |
| Zip Code | 98146 |
Amenities
| Parking Spaces | 8 |
|---|---|
| View | Bay |
| Is Waterfront | No |
Interior
| Heating | Forced Air |
|---|---|
| Cooling | None |
| Fireplace | No |
| # of Stories | 4 |
Exterior
| Exterior Features | Wood Products |
|---|---|
| Foundation | Poured Concrete |
School Information
| District | Highline |
|---|
Additional Information
| Date Listed | September 18th, 2026 |
|---|---|
| Days on Market | 19 |
| Cumulative Days on Market | 19 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
| Property Taxes | $17,385 |
Listing Details
| Office | Kidder Mathews |
|---|
