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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/417 SEFTON AVE
/// BUILDING FILE · ROLL 2025

417 SEFTON AVE.

Monterey Park, CA 91755 · APN 5259-004-040

/// 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

3

BUILDING SF

2,588

SF / UNIT

863

YEAR BUILT

1944

BEDROOMS

—

BATHROOMS

—

USE · CODE 0300

TRIPLEX

/// ASSESSED VALUE
LAND$856,800
IMPROVEMENTS$510,000
TOTAL$1,366,800
LAND BASE YEAR2024
OWNERSHIP TENUREAPPROX. 2 YEARS

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

/// LAST TRANSFER
RECORDEDAUG 15, 2023
EST. PRICE (2023)$1,340,000
EST. $/UNIT$446,667

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$717,500UNITS2405 SEFTON AVE→AUG 2024EST.$2,173,694$217,369UNITS10535 N ORANGE AVE→AUG 2024EST.$955,000$477,500UNITS2

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

113 N ALHAMBRA AVE→3 UNITS · BUILT 1949 · 1,880 SF114 FLORENCE AVE→3 UNITS · BUILT 1954 · 2,027 SF116 FLORENCE AVE→3 UNITS · BUILT 1954 · 2,027 SF121 E HAMMEL ST→3 UNITS · BUILT 1957 · 2,551 SF126 FLORENCE AVE→3 UNITS · BUILT 1938 · 2,265 SF128 E EMERSON AVE→3 UNITS · BUILT 1941 · 2,539 SF
EVERY BUILDING IN 91755 →
/// COMMON QUESTIONS · 417 SEFTON AVE

The short answers.

Is 417 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 417 Sefton Ave have?

County records list 3 units at 417 Sefton Ave, classified as triplex across 2,588 square feet of building area, averaging about 863 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 417 Sefton Ave built?

The assessor roll gives a build year of 1944, 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 417 Sefton Ave last sell, and for how much?

The last recorded transfer was August 2023, at an estimated $1,340,000 — about $446,667 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 417 Sefton Ave assessed at, and is that what it is worth?

The current assessed value is $1,366,800 ($856,800 land, $510,000 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 417 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.

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