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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/498 MOUNTAIN AVE
/// BUILDING FILE · ROLL 2025

498 MOUNTAIN AVE.

Mt Baldy, CA 91759 · APN 8675-014-005

/// 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

2

BUILDING SF

3,294

SF / UNIT

1,647

YEAR BUILT

1906

BEDROOMS

6

BATHROOMS

3

USE · CODE 0200

DUPLEX

/// ASSESSED VALUE
LAND$1,633,639
IMPROVEMENTS$355,136
TOTAL$1,988,775
LAND BASE YEAR2016
OWNERSHIP TENUREAPPROX. 10 YEARS

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

/// LAST TRANSFER
RECORDEDFEB 1, 2016

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.
/// COMPARE

Buildings like this one.

ON MOUNTAIN AVE · ZIP 91759

501 S MOUNTAIN AVE→2 UNITS · BUILT 1907 · DUPLEX
EVERY BUILDING IN 91759 →BUILT BEFORE 1930 →LAND WORTH MORE THAN THE BUILDING →
/// COMMON QUESTIONS · 498 MOUNTAIN AVE

The short answers.

Is 498 Mountain 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 498 Mountain Ave have?

County records list 2 units at 498 Mountain Ave, classified as duplex across 3,294 square feet of building area, averaging about 1,647 square feet per unit. Unit counts on the roll can lag permitted conversions and unpermitted additions in both directions.

When was 498 Mountain Ave built?

The assessor roll gives a build year of 1906, 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 498 Mountain Ave last change hands?

The most recent transfer on the roll was recorded February 2016. 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 498 Mountain Ave assessed at, and is that what it is worth?

The current assessed value is $1,988,775 ($1,633,639 land, $355,136 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 10 years.

How do I find out what 498 Mountain 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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