1601 East Valley Rd, Renton, WA 98057

Office · Renton · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise office, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 227 reachable office buildings in Renton. Larger than 93% of office buildings in Renton (median 7,789 SF), derived from assessor records.

Own this building?

Claim privately

Claiming is for you. Your mailing address is never shown; no offer reaches you unless you opt in.

Claimed owners can confirm facts, watch the estimate, and decide whether to reply.

Claim or manage this building

Building size: 139,758 SF, King County Assessor
Lot size: 273,560 SF, King County Assessor
Year built: 1987, King County Assessor
Stories: 4, King County Assessor
Predominant use: Office, King County Assessor
Assessed value: $15,753,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $112.72/SF, derived from assessor records
Lot coverage: 51%, derived from assessor records
Vintage: 1980s vintage
Zoning: CO, King County
County use code: Office Building
Construction (observed): steel glass, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

1600 Lind Ave SW, Renton · 0.1 mi · 134,145 SF · built 1986 · assessed $118.75/SF
1501 Taylor Ave SW, Renton · 0.1 mi · 2,752 SF · built 1969 · assessed $285.97/SF
1601 Lind Ave SW, Renton · 0.2 mi · 200,680 SF · built 1990 · assessed $75.45/SF
1801 Lind Ave SW, Renton · 0.3 mi · 209,044 SF · built 1981 · assessed $114.44/SF
1123 Maple Ave SW, Renton · 0.3 mi · 5,312 SF · built 1983 · assessed $240/SF
1100 Maple Ave SW, Renton · 0.3 mi · 2,900 SF · built 1983 · assessed $318/SF

Want to talk to the owner? makeme1031 delivers a private, principal-to-principal letter to the owner of record. We never publish the owner's identity or address.

Sale history and market context

MakeMe Estimate: $20,224,596 (estimated market value), with a likely range of $19,694,788 to $26,722,264 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2015 (about 11 years) per recorded transfers.

2015-11-03: $45,000,000 from Diamond Landmark LLC to Landmark Office Partners LLC (part of a 3-parcel sale; price is the whole deal), rec. 20151125000910

2006-02-09: $31,207,243 from Evoc LLC to Diamond Landmark LLC (part of a 3-parcel sale; price is the whole deal), rec. 20060213000631

2004-02-27: $10,000,000 from M&S Income & Growth Fund LLC to Evoc LLC (part of a 3-parcel sale; price is the whole deal), rec. 20040227003241

1998-06-24: $29,054,500 from CMD Realty Investment Fund II L P to M & S Income & Growth Fund LLC (part of a 3-parcel sale; price is the whole deal), rec. 199806240858

1996-09-30: $19,205,593 from Private party to CMD Realty Investment Fund II (part of a 3-parcel sale; price is the whole deal), rec. 199609301810

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $16,789,000 (2011) to $15,753,000 (2026), down 6% over 15 years, per county tax rolls. The 2026 roll splits $15,753,000 into $7,386,100 land and $8,366,900 improvements.

Zoning: CO (per King County)

Lot: 273,560 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 139,758 SF (county building sections)

County districts report (schools, fire, sewer, council; on kingcounty.gov)

Permit history

2026-04-17: Remodel, declared value $37,000, permit B26001444

2022-11-01: Electrical, declared value $11,000 (Screened), permit E22005798

2022-10-11: Electrical, declared value $40,000 (Screened), permit E22005344

2022-04-25: Remodel, declared value $750,000 (Screened), permit B22000643

2020-10-30: Electrical, declared value $7,500 (Screened), permit E20005017

2020-10-30: Electrical, declared value $750 (Screened), permit E20005018

2020-08-06: Remodel, declared value $228,800 (Screened), permit B20001837

2020-06-11: Remodel, declared value $700,000 (Screened), permit B20000210

2020-02-21: Remodel, declared value $400,000 (Screened), permit B19002909

2015-07-28: Remodel, declared value $130,000 (Screened), permit B15005397

Source: King County permit records (newest first).