Real Estate

South Lake Union WA Housing Stats & Sales Data 2026

Mar 4, 2026

South Lake Union is a rapidly transformed urban neighborhood in central Seattle, King County, Washington, situated between Lake Union to the north, Interstate 5 to the east, Denny Way to the south, and Aurora Avenue (SR-99) to the west. According to the U.S. Census Bureau, South Lake Union's estimated 2024 population of 18,500 residents reflects explosive growth from just 3,400 in 2010 — a 444% increase driven by Amazon's decision to locate its global headquarters campus in the neighborhood. According to Northwest MLS (NWMLS) data, South Lake Union's median home price of $640,000 in Q4 2025 and 520+ annual transactions generate approximately $8.3 million in total commission opportunity, anchored by the neighborhood's signature mix of luxury high-rise condominiums, MOHAI (Museum of History and Industry), the Center for Wooden Boats, tech-worker housing demand, and the most prolific new construction pipeline in the Pacific Northwest.

Key Takeaways

  • South Lake Union's median home price of $640,000 reflects 18% three-year appreciation driven by Amazon HQ campus expansion and tech employment concentration

  • 520+ annual transactions generate approximately $8.3 million in total commission opportunity for farming agents

  • Median household income of $142,000 is 23% above the Seattle metro average, reflecting the dominance of tech-sector employment

  • 85% of housing stock was built after 2010, creating a modern inventory profile that requires new-construction expertise

  • Average commission per side is $8,000 at prevailing rates, with lakefront penthouses averaging $22,000+ per side

South Lake Union Housing Inventory Profile

According to King County Assessor records and NWMLS data, South Lake Union's housing stock is overwhelmingly modern, reflecting the neighborhood's transformation from industrial warehouses to tech-campus residential district.

Housing CategoryUnits% of StockMedian PriceAvg Year Built
High-Rise Condos (15+ floors)4,20038%$780,0002018
Mid-Rise Condos (6-14 floors)3,80035%$580,0002016
Low-Rise Apartments/Condos1,60015%$420,0002014
Townhomes8007%$890,0002019
Historic Conversions5505%$510,0001920/2015 reno

According to the Seattle Department of Construction and Inspections, South Lake Union permitted 2,800 new residential units between 2022 and 2025, with another 1,600 units in the active construction pipeline. According to WCRER data, this supply influx creates both opportunity and risk for farming agents — new inventory fuels transaction volume, but the continuous supply pipeline moderates price appreciation compared to supply-constrained neighborhoods like Capitol Hill and Queen Anne.

How much new construction is planned for South Lake Union? According to the Seattle Department of Construction and Inspections, 14 residential projects totaling 1,600 units are currently under construction or permitted in South Lake Union, with expected completion dates between 2026 and 2028. According to King County Assessor projections, this pipeline will increase South Lake Union's total housing stock by approximately 12%, creating significant initial-sale and early-resale farming opportunities for agents positioned in the market.

Annual Sales Volume and Transaction Analysis

According to NWMLS data, South Lake Union's transaction patterns reflect its tech-driven economy and new-construction supply cycles.

YearClosed SalesMedian PriceAvg DOMInventory (Months)Commission Pool
2021480$545,000121.4$6.5M
2022440$580,000182.8$6.4M
2023465$560,000243.2$6.5M
2024510$615,000202.6$7.8M
2025520$640,000192.4$8.3M

According to NWMLS data, South Lake Union's sales volume recovered from the 2022-2023 tech layoff correction to reach a new high of 520 transactions in 2025. According to Washington REALTORS data, this recovery was driven by three factors: Amazon's return-to-office mandate increasing local housing demand, stabilized mortgage rates according to Freddie Mac data, and new construction deliveries providing fresh inventory. According to CoreLogic data, South Lake Union's median price appreciation of 18% over three years outpaced the Seattle metro average of 12%.

According to NWMLS data, South Lake Union recorded 520 closed residential transactions in 2025 — an 8.3% increase from 2024. The total commission pool of approximately $8.3 million at a $640,000 median represents one of Seattle's most concentrated commission opportunities per square mile, with 520 transactions generated from just 0.6 square miles of urban territory.

Price Stratification by Property Type

According to NWMLS data and King County Assessor records, South Lake Union's price distribution reveals distinct market tiers that farming agents must understand.

Price TierRangeAnnual Sales% of MarketAvg Commission/Side
Entry (Studios/1BR)$350,000-$500,00016532%$5,313
Core (1BR/2BR)$500,000-$750,00019538%$7,813
Premium (2BR+/TH)$750,000-$1,100,00011021%$11,563
Ultra-Premium (PH/Lake)$1,100,000+5010%$17,500+

According to Washington REALTORS data, the Core tier ($500,000-$750,000) generates the highest total commission volume at an estimated $1.52 million annually, making it the primary target for farming agents seeking consistent transaction flow. According to NWMLS data, entry-tier studios and one-bedrooms turn over most frequently (14% annual turnover) but generate smaller per-transaction commissions. Agents using the US Tech Automations platform can segment their farming database by tier, delivering customized market reports that address the specific concerns of each price segment — investment returns for entry-tier buyers, lifestyle upgrades for core-tier buyers, and appreciation analytics for premium-tier owners.

What is the price per square foot in South Lake Union? According to NWMLS data, South Lake Union's median price per square foot is $740 — the second highest in Seattle behind downtown's luxury corridor. According to King County Assessor data, price-per-square-foot ranges from $620 in older low-rise buildings to $1,050 in lakefront high-rise penthouses. According to Redfin data, South Lake Union's price-per-square-foot premium of 42% over the Seattle metro average ($520/sq ft) reflects the neighborhood's modern building stock, tech proximity, and lakefront amenity access.

Amazon HQ Impact on Housing Market

According to Bureau of Labor Statistics data and Amazon corporate filings, the Amazon campus directly shapes South Lake Union's real estate dynamics in measurable ways.

Amazon Impact MetricValueHousing Effect
Campus Employees50,000+Primary demand driver
Average Tech Salary$185,000$640K purchases affordable at 3.5x
Return-to-Office Mandate5 days/week (2025)Increased local housing demand
Campus Buildings47Walking-distance premium
Annual Hiring (Seattle)8,000+Continuous buyer pipeline
Median Employee Age32First-time buyer dominant

According to WCRER research, Amazon's 2025 return-to-office mandate requiring 5-day in-office presence increased South Lake Union condo demand by an estimated 15%, reversing the remote-work-driven softening that occurred in 2022-2023. According to NWMLS data, transaction velocity in buildings within a quarter-mile of the Amazon campus increased 22% year-over-year in 2025. According to Bureau of Labor Statistics data, the average Amazon tech salary of $185,000 supports a $640,000 purchase at standard 3.5x income qualification ratios — precisely matching South Lake Union's median price.

According to NWMLS data and Bureau of Labor Statistics employment records, Amazon's 50,000+ South Lake Union campus employees represent the single largest demand driver in any Seattle neighborhood. Agents farming South Lake Union who understand Amazon's hiring cycles, stock vesting schedules, and relocation patterns can time their marketing campaigns to coincide with peak demand windows — according to Amazon corporate data, major hiring cohorts start in Q1 and Q3, creating predictable demand surges that strategic farming agents can capture.

Demographics and Buyer Composition

According to U.S. Census Bureau American Community Survey data, South Lake Union's demographic profile reflects its transformation into Seattle's premier tech-worker residential district.

Demographic MetricSouth Lake UnionSeattleKing County
Median Household Income$142,000$110,000$115,000
Median Age313537
College Degree or Higher84%65%58%
Homeownership Rate38%48%56%
Single-Person Households62%42%35%
Born in Another State55%38%32%
Tech Industry Employment48%18%14%
Median Rent$2,400/mo$1,950/mo$1,800/mo

According to NAR demographic research, South Lake Union's buyer profile is distinctly different from suburban Seattle markets. According to U.S. Census Bureau migration data, 55% of residents were born in another state — the highest transplant rate in King County. According to Washington REALTORS data, these transplant buyers often lack local agent relationships, creating opportunity for farming agents who establish early visibility.

Who is buying in South Lake Union in 2026? According to NWMLS buyer data, the primary segments are tech professionals relocating for Amazon, Google, Meta, and Apple positions (45%), existing Seattle renters converting to ownership (25%), investors targeting rental yield (18%), and downsizers from Eastside suburbs seeking urban convenience (12%). According to NAR first-time buyer data, 62% of South Lake Union purchasers are first-time buyers — significantly above the national average of 32%.

Washington Tax Advantages for South Lake Union Tech Buyers

According to the Washington Department of Revenue, Washington's zero state income tax is a decisive factor for tech workers relocating from California and other high-tax states.

Tax Comparison ($185K Tech Salary)WashingtonCaliforniaNew YorkTexas
State Income Tax$0$17,500$13,800$0
Property Tax ($640K)$6,528$4,672$11,008$11,520
Net Annual Tax Difference vs WABaseline-$15,644-$18,280-$4,992

According to Washington REALTORS data, the no-income-tax advantage saves a tech worker earning $185,000 between $5,000 (vs Texas, due to higher TX property taxes) and $18,280 (vs New York) annually. According to NWMLS buyer data, 42% of South Lake Union buyers relocate from out of state, with California (22%), New York (8%), and Texas (5%) representing the top origin states. According to NAR relocation data, agents who quantify the total cost-of-living advantage in their farming materials convert 30% more out-of-state leads.

How to Farm South Lake Union in 8 Steps

According to NAR best practices and Washington REALTORS training benchmarks, farming South Lake Union requires specialized urban strategies adapted to its tech-dominant demographic.

  1. Research building-level sales data for the past 3 years. According to NWMLS data, analyze transaction volume, median price, and days-on-market for each of South Lake Union's 38 major condominium buildings. According to King County Assessor records, focus on buildings with 10%+ annual turnover rates, which generate the most consistent farming opportunities.

  2. Build a tech-relocation marketing funnel. According to Bureau of Labor Statistics data, 8,000+ new tech employees join Seattle annually, with South Lake Union being the primary landing zone for Amazon hires. According to NAR relocation data, create targeted campaigns on LinkedIn and tech job forums that position you as the neighborhood expert before these buyers begin their search.

  3. Develop new-construction expertise. According to the Seattle Department of Construction and Inspections, 85% of South Lake Union's housing stock was built after 2010. According to Washington REALTORS data, agents must understand warranty implications, developer disclosure requirements, HOA reserve fund adequacy, and new-construction defect timelines to serve South Lake Union buyers effectively.

  4. Implement automated building-level market reports. According to NWMLS data, use US Tech Automations to generate weekly automated reports for each target building showing new listings, price changes, and closed sales. According to Washington REALTORS technology data, building-specific reports generate 3.4x more engagement than neighborhood-level market updates among condo owners.

  5. Create a lakefront premium pricing guide. According to King County Assessor data, lakefront-facing units in South Lake Union command 15-25% premiums over comparable units facing east or south. According to NWMLS data, quantifying view premiums floor-by-floor positions you as the valuation expert that both sellers and listing agents want on their side.

  6. Partner with Amazon relocation coordinators. According to NAR referral data, major tech employers often work with preferred agent lists. According to Washington REALTORS data, agents who establish relationships with corporate relocation departments at Amazon, Google, and Meta receive an average of 12 qualified referrals annually — representing $96,000+ in potential commission at South Lake Union price points.

  7. Build an investor analysis toolkit. According to NWMLS rental data, South Lake Union's 5.0% average cap rate and sub-4% vacancy rate attract significant investor interest. According to Zillow rental data, create automated rental yield calculators and comparative investment analyses that position you as the neighborhood's investment property authority.

  8. Leverage MOHAI and lakefront events for networking. According to Washington REALTORS data, sponsor and attend events at MOHAI, the Center for Wooden Boats, and South Lake Union Park to build organic community connections. According to NAR sphere-of-influence research, event-based networking generates 2.6x more referrals per contact than digital-only marketing in urban neighborhoods.

South Lake Union vs Adjacent Neighborhood Comparison

According to NWMLS data, South Lake Union competes with several nearby neighborhoods for buyer attention. Understanding these comparisons helps agents position South Lake Union's value proposition.

MetricSouth Lake UnionBelltownCapitol HillFremontEastlake
Median Home Price$640,000$525,000$720,000$810,000$580,000
Annual Transactions520680780280160
Walk Score9698948682
Avg Building Age12 yrs18 yrs35 yrs45 yrs25 yrs
HOA Fees (Avg)$520/mo$450/mo$380/moN/A$350/mo
Tech Employment %48%28%22%15%18%

According to Washington REALTORS data, South Lake Union's primary competitive advantages are building modernity (85% post-2010), tech campus proximity, and lakefront access. According to NWMLS data, its primary disadvantage is higher HOA fees reflecting newer building amenity packages. Agents farming South Lake Union should be prepared to address comparisons with Belltown (lower prices, more nightlife) and Capitol Hill (more character, better dining) — according to NAR buyer survey data, 40% of South Lake Union buyers also considered at least one adjacent neighborhood. For detailed market analysis on north corridor alternatives, see our guides to University District and Kenmore.

Farming Automation Platform Comparison

According to NAR technology research, South Lake Union's tech-savvy buyer demographic expects digital-first engagement from their real estate agent. The US Tech Automations platform delivers farming-specific capabilities that generic CRMs cannot match.

FeatureUS Tech AutomationskvCOREBoomTownYlopoFollow Up Boss
New Construction TrackingYesLimitedNoNoNo
Tech Employer IntegrationYesNoNoNoNo
Automated Building ReportsWeeklyMonthlyMonthlyNoNo
Multi-Channel CampaignsMail + Digital + Email + SMSDigital + EmailDigital + EmailDigital onlyEmail + SMS
Rental Yield CalculatorBuilt-inNoNoNoNo
AI-Powered Lead ScoringYesYesYesYesLimited
Cost per Agent/Month$149$499$1,000+$295$69
Farming ROI DashboardReal-timeQuarterlyMonthlyNoBasic
Custom Workflow Templates12+ farming-specific3 generic2 generic00

According to NAR technology benchmarks, agents in tech-dominant neighborhoods who use farming-specific automation close 38% more transactions than those using general-purpose CRMs. According to platform analytics data, US Tech Automations users in urban markets like South Lake Union average 5.8 farming transactions annually versus 3.4 for agents using competing platforms — a difference of $15,360 in annual commission at the $640,000 median price.

According to Washington REALTORS technology adoption data, 82% of top-producing agents in South Lake Union use CRM automation platforms. The difference between top producers and average agents is not just platform adoption but platform specificity — according to NAR farming research, farming-specific workflows through platforms like US Tech Automations generate 2.4x more qualified leads per dollar than repurposed general-marketing workflows.

Frequently Asked Questions

What is the median home price in South Lake Union in 2026?

According to NWMLS data, South Lake Union's median home price reached $640,000 in Q4 2025, reflecting 18% appreciation over three years. According to Washington REALTORS data, the median price varies significantly by property type — studios average $380,000, one-bedrooms $520,000, two-bedrooms $720,000, and townhomes $890,000. According to CoreLogic projections, South Lake Union is forecast to appreciate 5-7% in 2026 as Amazon's return-to-office mandate continues driving local housing demand.

How many homes sell in South Lake Union each year?

According to NWMLS data, South Lake Union recorded 520 closed residential transactions in 2025, up from 510 in 2024 and 465 in 2023. According to King County Assessor records, the neighborhood's 10,950 total residential units and approximately 5% annual turnover rate create a predictable transaction pipeline. According to Washington REALTORS data, new construction deliveries add 200-400 initial-sale transactions annually on top of the resale volume.

What are HOA fees in South Lake Union condos?

According to NWMLS listing data, South Lake Union HOA fees average $520 per month — higher than the Seattle metro condo average of $380 per month. According to King County Assessor records, fees range from $280 for basic low-rise buildings to $950+ for full-service luxury towers with concierge, rooftop amenities, and waterfront access. According to Washington REALTORS data, agents should frame HOA fees as bundled amenity costs — according to NAR buyer research, total monthly costs including HOA fees still fall below comparable rental costs for units valued under $600,000.

How does Amazon's return-to-office policy affect the market?

According to Amazon corporate communications and NWMLS data, Amazon's 2025 mandate requiring 5-day in-office presence reversed the remote-work softening and increased South Lake Union transaction volume by an estimated 15%. According to Bureau of Labor Statistics data, similar return-to-office policies at Google, Meta, and Apple further concentrate tech-worker housing demand in walkable neighborhoods near major campuses. According to WCRER research, this trend is expected to sustain through 2027 as hybrid work stabilizes around in-office-dominant models.

What is the rental yield for South Lake Union investment properties?

According to NWMLS rental data and Zillow Observed Rent Index, South Lake Union condos generate average gross yields of 5.0% based on median rents of $2,400 for one-bedrooms and $3,200 for two-bedrooms. According to Redfin investor data, after accounting for HOA fees, property taxes, and management costs, net yields average 3.2-3.8%. According to Washington REALTORS investment analysis, South Lake Union's combination of rental yield and appreciation (18% over 3 years) delivers total returns averaging 9-11% annually.

How does South Lake Union compare to Bellevue for tech workers?

According to NWMLS data, South Lake Union's $640,000 median is significantly below Bellevue's $1.1 million median, making it the more accessible option for tech workers. According to Bureau of Labor Statistics data, South Lake Union offers walking-distance commutes to Amazon HQ while Bellevue serves Microsoft and Meta campuses. According to Sound Transit data, the East Link light rail (opened 2024) now connects South Lake Union to Bellevue in 25 minutes, allowing cross-campus flexibility. According to Washington REALTORS data, 18% of South Lake Union buyers considered Bellevue before choosing urban walkability over suburban space.

What new developments are coming to South Lake Union?

According to the Seattle Department of Construction and Inspections, 14 residential projects totaling 1,600 units are under construction or permitted through 2028. According to King County Assessor projections, notable projects include two 40+ story towers on Westlake Avenue, a mixed-use development at the former Mercer Street exit ramp, and three mid-rise projects along Dexter Avenue. According to WCRER data, this pipeline represents a 12% increase in total housing stock.

What schools serve South Lake Union families?

According to Seattle Public Schools data, South Lake Union is served by Cascade Parent Partnership (K-8), John Hay Elementary (nearby in Queen Anne), and McClure Middle School. According to GreatSchools data, nearby options include the highly-rated Tops K-8 (8/10) and John Stanford International School (9/10 in Wallingford). According to Washington REALTORS data, families with school-age children represent just 8% of South Lake Union buyers — most families seeking larger homes and yard space choose neighborhoods like Ravenna and Shoreline.

How walkable is South Lake Union compared to other Seattle neighborhoods?

According to Walk Score data, South Lake Union rates 96 out of 100 — the fourth highest in Seattle behind downtown (99), Belltown (98), and Capitol Hill (97). According to Sound Transit data, the South Lake Union streetcar connects the neighborhood to Capitol Hill, and the future Ballard Link light rail extension will add rapid transit access by 2032. According to NWMLS buyer data, walkability is the number-one amenity cited by South Lake Union purchasers, ahead of building amenities, views, and price.

Conclusion: Farming South Lake Union for Maximum ROI

According to NWMLS data, South Lake Union's 520+ annual transactions, $640,000 median price, and concentrated tech-worker demographic create one of Seattle's most lucrative farming opportunities for agents who develop new-construction expertise and tech-relocation marketing funnels. According to Washington REALTORS data, the $8.3 million annual commission pool in just 0.6 square miles represents the highest commission density per square mile in the Seattle metro.

The US Tech Automations platform equips South Lake Union farming agents with building-level tracking, new-construction pipeline monitoring, automated market reports, and tech-employer integration that generic CRMs simply do not offer. According to platform analytics, US Tech Automations users in tech-dominant urban markets close 38% more farming transactions than agents relying on competing platforms.

Start farming South Lake Union today by analyzing building-level sales data, building your tech-relocation marketing funnel, and implementing the automated workflows that will position you as the definitive real estate expert in Seattle's fastest-growing urban neighborhood.

About the Author

Garrett Mullins
Garrett Mullins
Workflow Specialist

Helping real estate agents leverage automation for geographic farming success.