3873 57th St, Boulder, CO 80301 Property Records

Boulder County property record for 3873 57th St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,790 sqft · built 1976
Lot Size	1.12 acres (48,836 sqft)
Owner	2 Individual Names on Record
Last Sale	$675,000 (Jul 2014)
Tax Bill	$7,784 (2025)
Deeds & Mortgages	Nov 2021 Line of Credit Jun 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1463-15-0-00-030`

Property Details

APN / Parcel Number

Primary APN	`1463-15-0-00-030`
Alternative APNs	`R0036938` `0036938`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,790 sqft Living Area
Gross Area	3,316 sqft
1st Floor Area	2,790 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1976
Effective Year Built	Effective 2006
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	48,836 sqft
Garage Type	Attached
Garage Area	526 sqft
Parking Spaces	2 Parking Spaces
Patio Area	160 sqft
Shed	1 Shed
Total Buildings	3 Buildings

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0036938
Street Address	3873 57TH ST
City	BOULDER
State	CO
Zip	80301-3017
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR
Legal Description	TR 4661-C LESS RD 1.4 AC 15-1N-70
Legal Range	70
Legal Township	1N
Legal Section	15
Legal Subdivision	TR SOUTH CENTRAL NBR 145 820
Legal Tract	4661-C
Legal Block	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1013
Census Tract	12707

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	3873 57TH ST, BOULDER, CO 80301-3017
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 1, 2021	Deed of Trust, Mortgage · Line of Credit FIRSTBANK
Jun 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU
Jan 23, 2017	Deed of Trust, Mortgage · ARM ELEVATIONS CU
May 15, 2020	Deed of Trust, Mortgage · Line of Credit FIRSTBANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 21, 2014 · Amount on Record
Deed Sale	Jul 21, 2014 · Amount on Record
Prior Sale	Sep 11, 1975
Deed Document Number	20143392471
Prior Transfer Date	Apr 25, 2005
Prior Transfer Doc	0002685923
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3873 57TH ST, BOULDER, CO 80301-3017
Transaction Type	Mortgage
Record Updated	Nov 16, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3873 57TH ST, BOULDER, CO 80301-3017

Mortgage

Document Number	0003924871
Date	Nov 1, 2021
Instrument	3924871

Lender

Name	FIRSTBANK
Type	Bank
Address	DENVER, CO 80215

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	118 Months
Due	Sep 24, 2031

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3873 57TH ST, BOULDER, CO 80301-3017
Transaction Type	Mortgage
Record Updated	Jul 1, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003894297
Date	Jun 21, 2021
Instrument	3894297

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Adjustable	Adjustable Rate Rider
Type Change Date	Jul 1, 2028
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	7.15%
Index	Other
Max Rate	7.75%

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3873 57TH ST, BOULDER, CO 80301-3017
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003570329
Date	Jan 23, 2017
Instrument	3570329

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Type Change Date	Feb 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.5%
Index	1-Year LIBOR
Max Rate	8.5%

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3873 57TH ST, BOULDER, CO 80301-3017
Document Number	0003787117
Instrument Date	May 15, 2020
Transaction Type	Mortgage
Record Updated	Jul 10, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3873 57TH ST BOULDER CO 803013017, BOULDER, CO 80301-3017

Mortgage

Document Number	0003787117
Date	May 29, 2020
Instrument	3787117

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	May 28, 2030

Interest

Rate Type	Adjustable Rate
Rate	4%

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$79,886 (+2.68%) Land $30,056 Building $49,830	$1,244,800 (-) Land $512,000 Building $732,800
2025	$7,784.00 (-3.3%)	$77,801 (-15.72%) Land $32,000 Building $45,801	$1,244,800 (-9.65%) Land $512,000 Building $732,800
2023	$8,050.00 (+43.7%)	$92,312 (+60.7%) Land $25,366 Building $66,946	$1,377,800 (+66.7%) Land $378,600 Building $999,200
2022	$5,602.00	$57,442 Land $20,642 Building $36,800	$826,500 Land $297,000 Building $529,500

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

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	31 (1992–2013)
Claims Outside the SFHA	6 of 31
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 25 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 67% of the US · above 60% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 34 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: CenturyLink, LiveWireNet.

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on 57th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures