425 S 44th St, Boulder, CO 80305 Property Records

Boulder County property record for 425 S 44th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 2,300 sqft · built 1957
Lot Size	0.161 acres (7,013 sqft)
Owner	2 Individual Names on File
Last Sale	$755,000 (Sep 2020)
Tax Bill	$5,511 (2025)
Deeds & Mortgages	Nov 2022 Line of Credit Sep 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-26-018`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-26-018`
Alternative APNs	`R0010936` `0010936`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,300 sqft Living Area
Gross Area	2,700 sqft
1st Floor Area	1,150 sqft
Basement Area	1,350 sqft
Finished Basement	1,150 sqft
Unfinished Basement	200 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1989
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,013 sqft (0.161 acres)
Garage Type	Attached
Garage Area	200 sqft
Parking Spaces	1 Parking Space
Patio Area	322 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0010936
Street Address	425 S 44TH ST
City	BOULDER
State	CO
Zip	80305-6017
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 18 BLK 9 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	9
Legal Lot Number	18
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3010
Census Tract	12507

Owner

425 S 44th St is owned and occupied by two individuals who bought it in September 2020.

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

Owner of Record	2 Individual Names on File
Mailing Address	425 S 44TH ST, BOULDER, CO 80305-6017
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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

Deeds, Mortgages & Sale History

Date	Document
Nov 21, 2022	Deed of Trust, Mortgage · Line of Credit SOOPER CU
Sep 16, 2020	Warranty Deed, Transfer · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 16, 2020 · Amount on File
Deed Sale	Sep 16, 2020 · Amount on File
Prior Sale	Nov 19, 2012 · Amount on File
Deed Document Number	20203815718
Record Updated	Oct 29, 2026

November 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	425 S 44TH ST, BOULDER, CO 80305-6017
Transaction Type	Mortgage
Record Updated	Nov 29, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003989697
Date	Nov 21, 2022
Instrument	3989697

Lender

Name	SOOPER CU
Type	Credit Union
Address	ARVADA, CO 80003

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Nov 28, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 16, 2020
Property Address	425 S 44TH ST, BOULDER, CO 80305-6017
Document Number	0003815718
Map Reference	MB 6 PG 41
Instrument Date	Sep 10, 2020
Instrument	3815718
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$75.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	425 S 44TH ST, 425, BOULDER, CO 80305-6017

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	425 S 44TH ST, BOULDER, CO 80305-6017

Mortgage

Document Number	0003815719
Date	Sep 16, 2020
Instrument	3815719

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 425 S 44th St was $5,511.

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		$58,133 (+0.57%) Land $32,810 Building $25,323	$924,900 (-) Land $552,500 Building $372,400
2025	$5,511.00	$57,806 Land $34,531 Building $23,275	$924,900 Land $552,500 Building $372,400
2023	$5,381.00 (+13.09%)	$65,995 (+28.79%) Land $40,468 Building $25,527	$985,000 (+33.6%) Land $604,000 Building $381,000
2022	$4,758.00	$51,242 Land $30,017 Building $21,225	$737,300 Land $431,900 Building $305,400

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 425 S 44th St in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1979.

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
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 425 S 44th St is low, with a 0.03% 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	0.03% 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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