507 Mountain View St, Altadena, CA 91001 Property Records

Los Angeles County property record for 507 Mountain View St, Altadena, CA 91001

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,526 sqft · built 1910
Lot Size	0.28 acres (12,208 sqft)
Owner	2 Company Names on Record
Last Sale	$840,000 (Sep 2018)
Tax Bill	$9,474 (2025)
Deeds & Mortgages	Sep 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`5828-016-031`

Property Details

APN / Parcel Number

Primary APN	`5828-016-031`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,526 sqft Living Area

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1970
Architectural Style	Conventional
Construction Type	Wood
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	12,208 sqft (0.28 acres)
Lot Dimensions	241 ft deep x 51 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Street Address	507 MOUNTAIN VIEW ST
City	ALTADENA
State	CA
Zip	91001-4920
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR17500*
Legal Description	TRACT OF LAND OWNED BY L W GIDDINGS LOT COM NW ON NE LINE OF MOUNTAIN VIEW ST 15 6 FT FROM SE LINE OF LAND DESC IN O R 54 87-12 TO ELIZABETH E BRADFORD TH NW ON S D NE LINE 50.7 FT TH N 16 45 E 241.3 SW TO BEG PART OF LOTS 8 AND LOT 9
Legal Subdivision	L W GIDDINGS TRACT
Legal Block	3
Legal Lot Number	9
Jurisdiction	LOS ANGELES CA
Township / Civil Division	PASADENA
Census Block Group	3
Census Block	3000
Census Tract	461000

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	507 MOUNTAIN VIEW ST, ALTADENA, CA 91001-4920
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 28, 2018 · Amount on Record
Deed Sale	Sep 28, 2018 · Amount on Record
Prior Sale	Mar 31, 2015 · Amount on Record
Deed Document Number	2018991938
Prior Transfer Date	Dec 21, 2007
Prior Transfer Doc	0002852392
Record Updated	Oct 29, 2026

September 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 28, 2018
Property Address	507 MOUNTAIN VIEW ST, ALTADENA, CA 91001-4920
Document Number	0000991938
Instrument Date	Sep 12, 2018
Instrument	991938
Transaction Type	Transfer
Record Updated	Oct 4, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Tax	$924.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	507 MOUNTAIN VIEW ST ALTADENA CA 910014920, ALTADENA, CA 91001-4920

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Unified School District	Pasadena Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$788,737 (+2%) Land $395,714 Building $393,023
2025	$9,474.00 (+5.61%)	$773,272 (+4.04%) Land $387,955 Building $385,317
2023	$8,971.00 (+3.54%)	$743,247 Land $372,892 Building $370,355
2022	$8,664.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	LINCOLN AVENUE WATER CO. private · serves 8,721 people · EPA ID CA1910063
Water Source	Surface water
Last State Inspection	Aug 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 831 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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