4285 51st St, Boulder, CO 80301 Property Records

Boulder County property record for 4285 51st St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 2,440 sqft · built 1968
Lot Size	0.902 acres (39,288 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,100,000 (Nov 2023)
Tax Bill	$8,224 (2025)
Deeds & Mortgages	Nov 2023 Sale & Mortgage Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1463-16-0-00-013`

Property Details

APN / Parcel Number

Primary APN	`1463-16-0-00-013`
Alternative APNs	`R0031842` `0031842`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,440 sqft Living Area
Gross Area	3,424 sqft
1st Floor Area	2,440 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1990
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	39,288 sqft (0.902 acres)
Garage Type	Attached
Garage Area	984 sqft
Parking Spaces	4 Parking Spaces
Porch	Porch
Porch Area	534 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0031842
Street Address	4285 51ST ST
City	BOULDER
State	CO
Zip	80301-4345
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RR
Legal Description	TR 4319 16-1N-70
Legal Range	70
Legal Township	1N
Legal Section	16
Legal Subdivision	FOOTHILLS EAST
Legal Tract	4319
Legal Block	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12701

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	4285 51ST ST, BOULDER, CO 80301-4345
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 6, 2023	Special Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU
Jul 19, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 6, 2023 · Amount on Record
Deed Sale	Nov 6, 2023 · Amount on Record
Prior Sale	Jul 10, 1969 · Amount on Record
Deed Document Number	20234027393
Prior Transfer Date	Jul 5, 2023
Prior Transfer Doc	0004013445
Record Updated	Oct 29, 2026

November 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 6, 2023
Property Address	4285 51ST ST, BOULDER, CO 80301-4345
Document Number	0004027393
Instrument Date	Nov 3, 2023
Instrument	4027393
Transaction Type	Transfer
Record Updated	Nov 28, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$110.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4285 51 ST STREET, ATLANTA, GA 30301

Mortgage

Document Number	0004027394
Date	Nov 6, 2023
Instrument	4027394

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	7.37%
Adjustable	Adjustable Rate Rider
Type Change Date	Dec 1, 2030
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	12.3%
Max Rate	12.3%

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Jul 19, 2023
Property Address	4285 51ST ST, BOULDER, CO 80301-4345
Document Number	0004014987
Instrument Date	Jul 17, 2023
Instrument	4014987
Transaction Type	Transfer
Record Updated	Aug 10, 2023

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	5109 OLD RANCH DR, LONGMONT, CO 80503-2732

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		$84,701 (+3.01%) Land $31,471 Building $53,230	$1,315,600 (-) Land $532,800 Building $782,800
2025	$8,224.00 (+32.24%)	$82,225 (+4.38%) Land $33,300 Building $48,925	$1,315,600 (+11.89%) Land $532,800 Building $782,800
2023	$6,219.00 (+32.23%)	$78,778 (+42.94%) Land $20,073 Building $58,705	$1,175,800 (+48.27%) Land $299,600 Building $876,200
2022	$4,703.00	$55,114 Land $16,194 Building $38,920	$793,000 Land $233,000 Building $560,000

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 29 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	29 in force
Nearby Flood Claims	5 (1995–2013)
Claims Outside the SFHA	3 of 5
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 4 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 61% of the US · above 48% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 16 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	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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