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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/21030 GRESHAM ST
/// BUILDING FILE · ROLL 2025

21030 GRESHAM ST.

Los Angeles, CA 91304 · APN 2779-003-050

/// 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

107

BUILDING SF

118,284

SF / UNIT

1,105

YEAR BUILT

1987

BEDROOMS

99

BATHROOMS

99

USE · CODE 0501

5+ UNITS

/// ASSESSED VALUE
LAND$1,583,999
IMPROVEMENTS$17,477,714
TOTAL$19,061,713
LAND BASE YEAR1978
OWNERSHIP TENUREAPPROX. 48 YEARS

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

/// LAST TRANSFER
RECORDEDAUG 31, 1994

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 UNDER AB 1482 STATE CAP (5% + CPI, MAX 10%)

Outside LA RSO coverage on these records — most California multifamily over 15 years old falls under the AB 1482 statewide cap of 5% plus CPI, never more than 10% per year.

AB 1482 VS RSO →INFERRED FROM PUBLIC RECORDS — VERIFY WITH LAHD / ZIMAS BEFORE RELYING ON IT.
/// ZIP 91304

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
21205 SATICOY ST→DEC 2024EST.$4,980,000$166,000UNITS3021215 SATICOY ST→DEC 2024EST.$4,420,000$163,704UNITS278230 OWENSMOUTH AVE→SEP 2024EST.$2,473,699$107,552UNITS237810 TOPANGA CANYON BLVD→JUL 2024EST.$15,500,000$258,333UNITS6021133 SATICOY ST→JUL 2024EST.$3,950,000$188,095UNITS218371 NORTHGATE AVE→MAY 2024EST.$3,905,000$169,783UNITS238720 OWENSMOUTH AVE→MAY 2024EST.$1,700,000$170,000UNITS1021218 CHASE ST→APR 2024EST.$1,472,000$736,000UNITS2

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

/// COMPARE

Buildings like this one.

ON GRESHAM ST · ZIP 91304

20901 GRESHAM ST→160 UNITS · BUILT 1963 · 5+ UNITS20904 GRESHAM ST→42 UNITS · BUILT 1991 · 5+ UNITS20918 GRESHAM ST→49 UNITS · BUILT 2003 · 5+ UNITS20926 GRESHAM ST→30 UNITS · BUILT 1977 · 5+ UNITS20936 GRESHAM ST→30 UNITS · BUILT 1977 · 5+ UNITS20942 GRESHAM ST→52 UNITS · BUILT 1965 · 5+ UNITS

SIMILAR SIZE AND ERA IN 91304

20939 PARTHENIA ST→70 UNITS · BUILT 1977 · 40,166 SF21051 GRESHAM ST→81 UNITS · BUILT 1982 · 107,599 SF21450 CHASE ST→102 UNITS · BUILT 1977 · 129,400 SF21611 SATICOY ST→68 UNITS · BUILT 1997 · 56,651 SF7700 TOPANGA CANYON BLVD→69 UNITS · BUILT 1986 · 85,500 SF8526 INTERNATIONAL AVE→92 UNITS · BUILT 1972 · 93,908 SF
EVERY BUILDING IN 91304 →
/// COMMON QUESTIONS · 21030 GRESHAM ST

The short answers.

Is 21030 Gresham St rent controlled?

Outside LA RSO coverage on these records — most California multifamily over 15 years old falls under the AB 1482 statewide cap of 5% plus CPI, never more than 10% per year. 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 21030 Gresham St have?

County records list 107 units at 21030 Gresham St, classified as 5+ units across 118,284 square feet of building area, averaging about 1,105 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 21030 Gresham St built?

The assessor roll gives a build year of 1987, which is after the October 1978 RSO cutoff. Age drives more than character here: it sets rent-cap exposure, seismic retrofit obligations, and what a lender will underwrite.

When did 21030 Gresham St last change hands?

The most recent transfer on the roll was recorded August 1994. 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 21030 Gresham St assessed at, and is that what it is worth?

The current assessed value is $19,061,713 ($1,583,999 land, $17,477,714 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 48 years.

Would the owner of 21030 Gresham St face a big tax bill on a sale?

Possibly. A base year going back roughly 48 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 21030 Gresham St 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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