421 Kempton St, Spring Valley, CA 91977 Property Records

San Diego County property record for 421 Kempton St, Spring Valley, CA 91977 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,248 sqft · built 1978
Lot Size	0.154 acres (6,700 sqft)
Owner	2 Company Names on File
Tax Bill	$2,012 (2025)
Flood Zone	Zone X (minimal risk)
APN	`584-470-48-00`

Property Details

APN / Parcel Number

Primary APN	`584-470-48-00`
Alternative APN	`5844700700`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,248 sqft Living Area

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Lot Area	6,700 sqft (0.154 acres)
Garage Type	Carport
Carport	Carport
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	5844700700
Street Address	421 KEMPTON ST
City	SPRING VALLEY
State	CA
Zip	91977-5830
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	BLK 41 LOT 13 LOT 14&(EX N 3 FT) TR 000441
Legal Subdivision	ROLLING HILLS RANCH SUBAREA 3
Legal Tract	000441
Legal Block	41
Legal Lot Number	13,14
Jurisdiction	SAN DIEGO CA
Township / Civil Division	SAN DIEGO
Census Block Group	1
Census Block	1006
Census Tract	13903

Owner

Source: San Diego County records · APN 584-470-48-00

Assessment roll updated July 28, 2026 · Last verified August 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 File
Mailing Address	421 KEMPTON ST, SPRING VALLEY, CA 91977-5830
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Oct 22, 2024
Transfer Doc	0000314743
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: San Diego County records · Assessment roll updated July 28, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	California
County	San Diego County
Secondary School District	Grossmont Union High School District (09 - 12)
Elementary School District	La Mesa-Spring Valley School District (KG - 08)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$116,560 (+2%) Land $40,705 Building $75,855
2025	$2,012.00 (+10.73%) Homeowner's exemption	$114,275 (+4.04%) Land $39,907 Building $74,368
2023	$1,817.00 (+2.6%) Homeowner's exemption	$109,839 Land $38,358 Building $71,481
2022	$1,771.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Diego County (06073C), updated September 3, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060730139031, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Low above 20% of the US · above 11% of California
Wildfire Likelihood	About 1 in 3,846 per year
Exposure	Indirect within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 670 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Cox Communications	Cable	2,000 / 100
Verizon	Fixed Wireless	300 / 20
AT&T	DSL	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.