BuildingCensus

100 W WALNUT ST

Office building — one story · Pasadena · 91124

Active records here
6
business-tax + registry entities
Building area
415,699
sq ft (county roll)
Floors
—
county roll
Year built
1974
vintage
Assessed value
$198.2M
current roll
Assessed / sq ft
$477
assessed value per sq ft
Last sold
—
no transfer on record
Sale / sq ft
—
not derivable from the record

Public record — 6 matched business locations

Tenants & business locations

CompanySuite / floorSinceSourceMatch
PTSI MANAGED SERVICES INC—Aug 2017laofaddress match · high
PARSONS WATER & INFRASTRUCTURE INC—Jan 2003laofaddress match · high
PARSONS ENVIRONMENT & INFRASTRUCTURE GROUP INC—Jan 2003laofaddress match · high
PARSONS CONSTRUCTORS INC—Sep 1999laofaddress match · high
PARSONS GOVERNMENT SERVICES INC—Feb 1991laofaddress match · high
PARSONS TRANSPORTATION GROUP INCvia PARSONS TRANSPORTATION GROUP, INC.—Nov 1984laofaddress match · high

Los Angeles County assessment roll

Parcel record

FieldValue
AIN5713002017
Site address100 W WALNUT ST
Land use (DOR)1706 — Office building — one story
Building area (actual)415,699 sq ft
Floors / units / buildings— / — / 2
Lot size—
Year built1974
Zoning (primary)—
Land value$18,283,918
Building value—
Total assessed value$198,231,152

Recorded owner (assessment roll)

No owning organisation shown. Where the county roll names a private individual, the name and mailing address are not published here.

Location

Address
100 W WALNUT ST
City
Pasadena
ZIP
91124
Coordinates
34.14860, -118.15295

Within ~650 m

Nearby office buildings

Frequently asked questions

Who owns 100 W WALNUT ST?

No owning organisation is shown for this parcel. Where the county roll names a private individual as owner, BuildingCensus does not publish the name or mailing address.

What companies have offices at 100 W WALNUT ST?

6 active business locations at this building appear in Los Angeles County public records, including PTSI MANAGED SERVICES INC, PARSONS WATER & INFRASTRUCTURE INC, PARSONS ENVIRONMENT & INFRASTRUCTURE GROUP INC, PARSONS CONSTRUCTORS INC, PARSONS GOVERNMENT SERVICES INC. Public records under-count tenants that don't hold a local receipt or register the address.

How big is 100 W WALNUT ST?

The county assessment roll records 415,699 sq ft of building area, built in 1974, on a — lot, with a current assessed value of $198,231,152.

Everything here comes from public records, and public records go stale. If you know better, say so.

Data provenance — public records only

Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.

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Dataset updated . Source: Los Angeles County assessment roll, AIN 5713002017.