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© 2026 SHAYA LOWENSTEIN · LYON STAHL INVESTMENT REAL ESTATE830 S PACIFIC COAST HWY, SUITE D-200, EL SEGUNDO, CA 90245SHAYA@LYONSTAHL.COM · DRE #01942326
BUILDINGS/669 S UNION AVE
/// BUILDING FILE · ROLL 2025

669 S UNION AVE.

Los Angeles, CA 90017 · APN 5142-012-004

/// WHERE DO WE REACH YOU?

ONE EMAIL, USED TO KEEP THIS LIST AND TO TELL YOU IF A WATCHED BUILDING LISTS OR SELLS. UNSUBSCRIBE ANY TIME.

UNITS

105

BUILDING SF

68,544

SF / UNIT

653

YEAR BUILT

1928

BEDROOMS

—

BATHROOMS

—

USE · CODE 0550

5+ UNITS

/// ASSESSED VALUE
LAND$1,921,762
IMPROVEMENTS$5,906,227
TOTAL$7,827,989
LAND BASE YEAR2011
OWNERSHIP TENUREAPPROX. 15 YEARS

PROP 13 ASSESSED VALUES — USUALLY WELL BELOW MARKET ON LONG-HELD BUILDINGS.

/// LAST TRANSFER
RECORDEDFEB 8, 2012

No market sale detected on this parcel since 2021. The last recorded transfer may have been a refinance, trust move, or family transfer that didn't reset the Prop 13 base.

/// RENT CONTROL

LIKELY COVERED BY LA RSO

Built 1928 in the City of Los Angeles with 105 units — pre-October 1978 multifamily inside city limits is generally under the Rent Stabilization Ordinance, capping annual increases and restricting evictions.

HOW LA RSO WORKS →INFERRED FROM PUBLIC RECORDS — VERIFY WITH LAHD / ZIMAS BEFORE RELYING ON IT.
/// ZIP 90017

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
1316 LINWOOD AVE→JUL 2024EST.$6,450,000$716,667UNITS9526 S UNION AVE→MAY 2024EST.$4,200,000$140,000UNITS301344 W 4TH ST→APR 2024EST.$2,300,000$115,000UNITS20410 WITMER ST→FEB 2024EST.$1,475,000$73,750UNITS20811 S UNION AVE→MAY 2023EST.$3,200,000$106,667UNITS301136 W 6TH ST→MAR 2023EST.$17,500,000$416,667UNITS421454 W 3RD ST→JAN 2023EST.$2,900,000$107,407UNITS27450 WITMER ST→JAN 2023EST.$3,126,000$130,250UNITS24

PRICES ESTIMATED FROM ASSESSOR REASSESSMENT AT SALE (ASSESSED VALUE DEFLATED 2%/YR) — NOT VERIFIED CLOSING PRICES.

/// COMPARE

Buildings like this one.

ON S UNION AVE · ZIP 90017

319 S UNION AVE→4 UNITS · BUILT 1913 · FOURPLEX323 S UNION AVE→4 UNITS · BUILT 1913 · TRIPLEX327 S UNION AVE→10 UNITS · BUILT 1951 · 5+ UNITS333 S UNION AVE→12 UNITS · BUILT 1910 · 5+ UNITS337 S UNION AVE→69 UNITS · BUILT 1984 · 5+ UNITS400 S UNION AVE→8 UNITS · BUILT 1921 · 5+ UNITS

SIMILAR SIZE AND ERA IN 90017

1254 W 6TH ST→132 UNITS · BUILT 1925 · 93,000 SF1305 INGRAHAM ST→83 UNITS · BUILT 1915 · 57,924 SF421 S BIXEL ST→76 UNITS · BUILT 1923 · 46,992 SF621 S UNION AVE→68 UNITS · BUILT 1913 · 32,204 SF625 S BIXEL ST→77 UNITS · BUILT 1928 · 20,764 SF729 S UNION AVE→134 UNITS · BUILT 1924 · 48,500 SF
EVERY BUILDING IN 90017 →RSO, 5–12 UNITS →BUILT BEFORE 1930 →
/// COMMON QUESTIONS · 669 S UNION AVE

The short answers.

Is 669 S Union Ave rent controlled?

Built 1928 in the City of Los Angeles with 105 units — pre-October 1978 multifamily inside city limits is generally under the Rent Stabilization Ordinance, capping annual increases and restricting evictions. This is an inference from public assessor records, not a determination — confirm the certificate of occupancy date with the LA Housing Department or ZIMAS before you rely on it for pricing or notices.

How many units does 669 S Union Ave have?

County records list 105 units at 669 S Union Ave, classified as 5+ units across 68,544 square feet of building area, averaging about 653 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 669 S Union Ave built?

The assessor roll gives a build year of 1928, which puts it in the pre-1979 stock that the LA Rent Stabilization Ordinance generally covers inside city limits. Age drives more than character here: it sets rent-cap exposure, seismic retrofit obligations, and what a lender will underwrite.

When did 669 S Union Ave last change hands?

The most recent transfer on the roll was recorded February 2012. Not every recorded transfer is a market sale — refinances, trust transfers, and family conveyances all appear in the same field, and those do not reset the assessed value.

What is 669 S Union Ave assessed at, and is that what it is worth?

The current assessed value is $7,827,989 ($1,921,762 land, $5,906,227 improvements). Assessed value is not market value. Under Proposition 13 it resets only on a change of ownership and then climbs about 2% a year, so a long-held building is often assessed far below what it would trade for — and this one has held its base year for roughly 15 years.

Would the owner of 669 S Union Ave face a big tax bill on a sale?

Possibly. A base year going back roughly 15 years usually means a low tax basis, and a low basis means a large taxable gain on a straight sale — capital gains plus depreciation recapture, with California taxing gains at ordinary income rates. It is also why long-held buildings so often sell through a 1031 exchange instead, or pass through an estate for the step-up in basis.

How do I find out what 669 S Union Ave would sell for today?

Public records give you the frame — units, size, age, assessed value, when it last traded — but pricing needs in-place rents, expenses, and the condition of the units, none of which appear in county data. A broker valuation puts closed comps and a rent survey against the actual rent roll. Shaya Lowenstein does that free for LA multifamily owners, typically within 48 hours, with no obligation to list.

/// OWNER READING
WHAT IS MY BUILDING WORTH? →SELLING WITH TENANTS IN PLACE →HOW LA RSO WORKS →

Own this building?

FREE, CONFIDENTIAL VALUATION FROM CLOSED COMPS — 48H TURNAROUND.

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