420 S 39th St, Boulder, CO 80305 Property Records

Boulder County property record for 420 S 39th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.25 ba · 2,524 sqft · built 1956
Lot Size	0.163 acres (7,085 sqft)
Owner	Company Name on File
Last Sale	$295,500 (Jan 2004)
Tax Bill	$5,475 (2025)
Deeds & Mortgages	May 2022 Line of Credit Jul 2022 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-22-018`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-22-018`
Alternative APNs	`R0011805` `0011805`

Interior

Bedrooms	5 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,524 sqft Living Area
1st Floor Area	1,152 sqft
Basement Area	1,372 sqft
Finished Basement	1,372 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1988
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,085 sqft (0.163 acres)
Garage Type	Attached
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Patio Area	338 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011805
Street Address	420 S 39TH ST
City	BOULDER
State	CO
Zip	80305-5414
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 18 BLK 5 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	5
Legal Lot Number	18
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3006
Census Tract	12507

Owner

420 S 39th St is owned by a company that acquired it in April 2022.

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on File
Mailing Address	120 30TH ST, BOULDER, CO 80305-3318
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
May 12, 2022	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST
Jul 27, 2022	Intrafamily Transfer, Transfer
Feb 16, 2021	Quit Claim Deed, Transfer · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP
Mar 16, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 20, 2004 · Amount on File
Deed Sale	Jan 20, 2004 · Amount on File
Prior Sale	Jul 24, 1986 · Amount on File
Deed Document Number	20042550394
Last Transfer Date	Apr 11, 2022
Transfer Doc	0003974009
Record Updated	Oct 29, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	420 S 39TH ST, BOULDER, CO 80305-5414
Transaction Type	Mortgage
Record Updated	May 30, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003961983
Date	May 12, 2022
Instrument	3961983

Lender

Name	BANK OF THE WEST
Type	Bank
Address	OMAHA, NE 68154

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Jul 27, 2022
Property Address	420 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003974009
Instrument Date	Apr 11, 2022
Instrument	3974009
Transaction Type	Transfer
Record Updated	Aug 17, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	120 30TH ST, BOULDER, CO 80305-3318

February 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 16, 2021
Property Address	420 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003859048
Instrument Date	Feb 12, 2021
Instrument	3859048
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	120 30TH ST, 120, BOULDER, CO 80305-3318

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	420 S 39TH ST, BOULDER, CO 80305-5414

Mortgage

Document Number	0003859049
Date	Feb 16, 2021
Instrument	3859049

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 16, 2017
Property Address	420 S 39TH ST, BOULDER, CO 80305-5414
Document Number	0003580779
Instrument Date	Mar 13, 2017
Instrument	3580779
Transaction Type	Transfer
Record Updated	Mar 29, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	120 30TH ST BOULDER CO 803053318, BOULDER, CO 80305-3318

Tax Assessment & Valuation

The 2025 property tax bill for 420 S 39th St was $5,475.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$56,794 (+0.39%) Land $33,001 Building $23,793	$905,200 (-) Land $555,300 Building $349,900
2025	$5,475.00	$56,575 Land $34,706 Building $21,869	$905,200 Land $555,300 Building $349,900
2023	$5,357.00 (+10.27%)	$64,856 (+25.9%) Land $40,676 Building $24,180	$968,000 (+30.6%) Land $607,100 Building $360,900
2022	$4,858.00	$51,513 Land $30,170 Building $21,343	$741,200 Land $434,100 Building $307,100

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.

Flood

FEMA maps place 420 S 39th St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	7 (1979–2022)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Jul 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

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

Wildfire risk around 420 S 39th St is low, with a 0.01% annual chance of 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 91% of Colorado
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	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 678 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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