SKIP TO CONTENT
S.LOWENSTEIN
DEAL INDEXBUILDINGSMARKETSTOOLSGUIDESWHOCONTACTVALUATION_
VALUATION_
DEAL INDEXBUILDINGSMARKETSTOOLSGUIDESWHOCONTACTWHAT'S IT WORTH? →
THEME
DEAL INDEXBUILDINGSTRACK RECORDMARKETSMARKET REPORTTOOLSGUIDESDEAL ALERTSWATCHLISTWHOVALUATIONCONTACT
(323) 944-2221@SHAYASELLSLA
© 2026 SHAYA LOWENSTEIN · LYON STAHL INVESTMENT REAL ESTATE830 S PACIFIC COAST HWY, SUITE D-200, EL SEGUNDO, CA 90245SHAYA@LYONSTAHL.COM · DRE #01942326
BUILDINGS/15121 ERWIN ST
/// BUILDING FILE · ROLL 2025

15121 ERWIN ST.

Los Angeles, CA 91411 · APN 2242-013-013

/// 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

4

BUILDING SF

2,166

SF / UNIT

542

YEAR BUILT

1949

BEDROOMS

5

BATHROOMS

4

USE · CODE 0400

FOURPLEX

/// ASSESSED VALUE
LAND$677,601
IMPROVEMENTS$452,455
TOTAL$1,130,056
LAND BASE YEAR2021
OWNERSHIP TENUREAPPROX. 5 YEARS

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

/// LAST TRANSFER
RECORDEDMAR 3, 2022
EST. PRICE (2022)$1,043,997
EST. $/UNIT$260,999

PRICE ESTIMATED FROM ASSESSOR REASSESSMENT AT SALE — NOT A VERIFIED CLOSING PRICE.

/// RENT CONTROL

LIKELY COVERED BY LA RSO

Built 1949 in the City of Los Angeles with 4 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 91411

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
5816 KESTER AVE→DEC 2024EST.$1,086,000$543,000UNITS25800 KESTER AVE→DEC 2024EST.$982,000$491,000UNITS214745 DELANO ST→DEC 2024EST.$513,932$171,311UNITS35712 KESTER AVE→DEC 2024EST.$1,131,579$188,597UNITS614767 ERWIN ST→DEC 2024EST.$1,254,000$209,000UNITS614535 WEDDINGTON ST→NOV 2024EST.$2,100,857—UNITS—14551 MARGATE ST→SEP 2024EST.$2,035,000$407,000UNITS56306 CEDROS AVE→SEP 2024EST.$9,240,000$308,000UNITS30

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

/// COMPARE

Buildings like this one.

ON ERWIN ST · ZIP 91411

14528 ERWIN ST→50 UNITS · BUILT 2021 · 5+ UNITS14620 ERWIN ST→7 UNITS · BUILT 1986 · 5+ UNITS14628 ERWIN ST→5 UNITS · BUILT 1979 · 5+ UNITS14629 ERWIN ST→22 UNITS · BUILT 2024 · 5+ UNITS14632 ERWIN ST→9 UNITS · BUILT 1958 · 5+ UNITS14638 ERWIN ST→9 UNITS · BUILT 1958 · 5+ UNITS

SIMILAR SIZE AND ERA IN 91411

14539 HATTERAS ST→4 UNITS · BUILT 1942 · 2,849 SF14545 MARGATE ST→4 UNITS · BUILT 1947 · 3,895 SF14555 WEDDINGTON ST→4 UNITS · BUILT 1941 · 3,063 SF14623 FRIAR ST→4 UNITS · BUILT 1940 · 2,586 SF14629 FRIAR ST→4 UNITS · BUILT 1937 · 3,646 SF14632 CALVERT ST→4 UNITS · BUILT 1952 · 2,838 SF
EVERY BUILDING IN 91411 →RSO, 5–12 UNITS →
/// COMMON QUESTIONS · 15121 ERWIN ST

The short answers.

Is 15121 Erwin St rent controlled?

Built 1949 in the City of Los Angeles with 4 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 15121 Erwin St have?

County records list 4 units at 15121 Erwin St, classified as fourplex across 2,166 square feet of building area, averaging about 542 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 15121 Erwin St built?

The assessor roll gives a build year of 1949, 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 15121 Erwin St last sell, and for how much?

The last recorded transfer was March 2022, at an estimated $1,043,997 — about $260,999 per unit. That price is estimated from the Proposition 13 reassessment recorded at sale, not a verified closing price, so treat it as a close approximation rather than a confirmed figure.

What is 15121 Erwin St assessed at, and is that what it is worth?

The current assessed value is $1,130,056 ($677,601 land, $452,455 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.

How do I find out what 15121 Erwin 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.

WHAT'S IT WORTH_TALK TO SHAYA →

NOT SELLING? GET DEALS LIKE THIS FIRST →