4400 Ruby St, Boulder, CO 80304 Property Records

Boulder County property record for 4400 Ruby St, Boulder, CO 80304 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.75 Baths
Year Built	Built 1957
Square Footage	1,256 sqft Living Area
Lot Size	41,274 sqft (0.948 acres)
Garage	Attached, 536 sqft
Last Sale	$1,900,000 (2021)
Tax Bill	$10,105.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-18-4-02-006`
Alternative APNs	`R0033250` `0033250`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	1,256 sqft Living Area
Gross Area	1,792 sqft Gross Area
1st Floor	1,256 sqft 1st Floor
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	41,274 sqft (0.948 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	536 sqft Garage
Porch	Porch
Porch Area	180 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0033250
Street Address	4400 RUBY ST
City	BOULDER
State	CO
Zip	80304-0919
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 6 BLK 2 GITHENS ACRES
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	GITHENS ACRES - BOV
Legal Block	2
Legal Lot Number	6
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2016
Census Tract	12103

Owner

Source: Boulder County records · APN 1463-18-4-02-006

Assessment roll updated June 15, 2026 · Last verified July 2026

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

Owner of Record	2 Individuals Owners
Mailing Address	PO BOX 353, BOULDER, CO 80306-0353
Owner Type	Owner is a Company
Vesting	Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed)

Deeds, Mortgages & Sale History

Date	Document
Apr 14, 2026	Deed of Trust, Mortgage · Conventional Mortgage FIRST WESTERN TRUST BANK
Apr 14, 2026	Deed of Trust, Mortgage · Building or Construction Mortgage FIRST WESTERN TRUST BANK
Dec 30, 2021	Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO
Oct 10, 2018	Quit Claim Deed, Transfer Quitclaim Document

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Dec 30, 2021 Deed Sale Price on Dec 30, 2021 Prior Sale Amount on May 27, 1971
Deed Doc Number	20213937700
Prior Transfer Date	Oct 03, 2018
Prior Transfer Doc	0003680512
Record Refreshed	Sep 20, 2026

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Apr 14, 2026
Property Address	4400 RUBY ST, BOULDER, CO 80304-0919
Document Number	0004127854
Instrument Date	Apr 10, 2026
Instrument	20264127854
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust, 165
Address	2980 17TH ST, BOULDER, CO 80304-3148

Mortgage

Document Number	0004127854,
Date	Apr 14, 2026
Instrument	20264127854

Lender

Name	FIRST WESTERN TRUST BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 01, 2056

Interest

Rate Type	Adjustable Rate
Rate	6.25%
Initial Type	Adjustable Rate
Adjustable	Document includes a rider for adjustable-rate mortgage with a specific rate change date.
Max Rate	-1%

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Apr 14, 2026
Property Address	4400 RUBY ST, BOULDER, CO 80304-0919
Document Number	0004127852
Instrument Date	Apr 10, 2026
Instrument	20264127852
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	FIRST NATIONS TITLE, FIRST NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2980 17TH ST, BOULDER, CO 80304-3148
Investor	Possibly a Property Investor

Mortgage

Document Number	0004127852,
Date	Apr 14, 2026
Instrument	20264127852

Lender

Name	FIRST WESTERN TRUST BANK

Agreement

Type	Building or Construction Mortgage
Amount	Amount Recorded
Term	18 Months
Due	Oct 10, 2027

Interest

Rate	6.11%
Max Rate	-1%

December 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 30, 2021
Property Address	4400 RUBY ST, BOULDER, CO 80304-0919
Document Number	0003937700
Instrument Date	Dec 28, 2021
Instrument	3937700
Transaction Type	Transfer
Record Updated	Feb 09, 2026
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Tax	$190.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO BOX 353, BOULDER, CO 80306-0353

October 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 10, 2018
Property Address	4400 RUBY ST, BOULDER, CO 80304-0919
Document Number	0003680512
Instrument Date	Oct 03, 2018
Instrument	3680512
Transaction Type	Transfer
Record Updated	Oct 19, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Document Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	2135 NORWOOD AVE BOULDER CO 803041330, BOULDER, CO 80304-1330

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$110,031 (+8.8%) Land $110,031	$1,618,100 (-) Land $1,618,100
2025	$10,105.00 (+17.8%)	$101,131 (+4.7%) Land $101,131	$1,618,100 (+12.24%) Land $1,618,100
2024	$8,578.00 (+1.68%)
2023	$8,436.00 (+19.9%)	$96,587 (+33.72%) Land $86,928 Building $9,659	$1,441,600 (+38.71%) Land $1,297,440 Building $144,160
2022	$7,036.00	$72,231 Land $65,008 Building $7,223	$1,039,300 Land $935,370 Building $103,930

4400 Ruby St, Boulder, CO 80304 Property Records

Property Highlights

Property Details

APN / Parcel Number

Interior

Exterior

Utilities and HVAC

Location & Zoning

Owner

Deeds, Mortgages & Sale History

Assessor's Deed Record

April 2026: Deed of Trust, Mortgage

Transferred To (Grantee/Buyer)

Mortgage

Lender

Agreement

Interest

April 2026: Deed of Trust, Mortgage

Transferred To (Grantee/Buyer)

Mortgage

Lender

Agreement

Interest

December 2021: Special Warranty Deed, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

October 2018: Quit Claim Deed, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

Tax Assessment & Valuation

Property Jurisdictions

Tax Bill & Assessment History

Nearby Properties on Ruby St

Nearby Streets

Search Property Records by Address or Parcel Number