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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/405 SEFTON AVE
/// BUILDING FILE · ROLL 2025

405 SEFTON AVE.

Monterey Park, CA 91755 · APN 5259-004-043

/// 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

10

BUILDING SF

11,032

SF / UNIT

1,103

YEAR BUILT

1963

BEDROOMS

—

BATHROOMS

—

USE · CODE 0500

5+ UNITS

/// ASSESSED VALUE
LAND$1,131,887
IMPROVEMENTS$1,085,281
TOTAL$2,217,168
LAND BASE YEAR2024
OWNERSHIP TENUREAPPROX. 2 YEARS

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

/// LAST TRANSFER
RECORDEDAUG 23, 2024
EST. PRICE (2024)$2,173,694
EST. $/UNIT$217,369

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

/// 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 91755

Recent sales nearby.

ADDRESSSOLDEST. PRICEEST. $/UNITUNITS
802 E HELLMAN AVE→DEC 2024EST.$993,000$331,000UNITS3335 E NEWMARK AVE→NOV 2024EST.$960,000$480,000UNITS2533 ELIZABETH AVE→OCT 2024EST.$1,580,000$395,000UNITS4401 FLORENCE AVE→OCT 2024EST.$1,280,000$640,000UNITS2914 E MABEL AVE→SEP 2024EST.$1,200,000$600,000UNITS2300 RUSSELL AVE→SEP 2024EST.$1,435,000$717,500UNITS2535 N ORANGE AVE→AUG 2024EST.$955,000$477,500UNITS2312 N ORANGE AVE→AUG 2024EST.$950,000$475,000UNITS2

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

/// COMPARE

Buildings like this one.

ON SEFTON AVE · ZIP 91755

118 SEFTON AVE→2 UNITS · BUILT 1940 · DUPLEX201 SEFTON AVE→2 UNITS · BUILT 1930 · DUPLEX212 SEFTON AVE→2 UNITS · BUILT 1949 · DUPLEX325 SEFTON AVE→2 UNITS · BUILT 1951 · DUPLEX333 SEFTON AVE→6 UNITS · BUILT 1948 · 5+ UNITS338 SEFTON AVE→LAND

SIMILAR SIZE AND ERA IN 91755

1012 E NEWMARK AVE→12 UNITS · BUILT 1963 · 9,808 SF1025 E HELLMAN AVE→14 UNITS · BUILT 1959 · 8,664 SF109 E HAMMEL ST→8 UNITS · BUILT 1959 · 5,662 SF111 E HAMMEL ST→6 UNITS · BUILT 1959 · 4,576 SF111 E NEWMARK AVE→6 UNITS · BUILT 1950 · 3,466 SF1110 E EMERSON AVE→6 UNITS · BUILT 1960 · 5,388 SF
EVERY BUILDING IN 91755 →
/// COMMON QUESTIONS · 405 SEFTON AVE

The short answers.

Is 405 Sefton Ave 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 405 Sefton Ave have?

County records list 10 units at 405 Sefton Ave, classified as 5+ units across 11,032 square feet of building area, averaging about 1,103 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 405 Sefton Ave built?

The assessor roll gives a build year of 1963, 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 405 Sefton Ave last sell, and for how much?

The last recorded transfer was August 2024, at an estimated $2,173,694 — about $217,369 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 405 Sefton Ave assessed at, and is that what it is worth?

The current assessed value is $2,217,168 ($1,131,887 land, $1,085,281 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 405 Sefton 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.

WHAT'S IT WORTH_TALK TO SHAYA →

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