4675 Portside Way, Boulder, CO 80301 Property Records

Boulder County property record for 4675 Portside Way, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	2 bd · 2.5 ba · 1,024 sqft · built 1980
Lot Size	0.048 acres (2,073 sqft)
Owner	Individual Name on Record
Last Sale	$299,000 (Dec 2024)
Tax Bill	$2,619 (2025)
Deeds & Mortgages	Oct 2019 Mortgage Jul 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-11-3-10-005`

Property Details

APN / Parcel Number

Primary APN	`1463-11-3-10-005`
Alternative APNs	`1463-11-3-10-026` `R0618619` `R0083993` `0083993`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Building Area	1,024 sqft Living Area
Gross Area	1,536 sqft
1st Floor Area	512 sqft
Upper Floors Area	512 sqft
Basement Area	512 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1991
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	2,073 sqft (0.048 acres)
Garage Type	Carport
Garage Area	378 sqft
Carport	Carport
Carport Area	378 sqft
Parking Spaces	1 Parking Space
Deck Area	378 sqft
Patio Area	478 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0618619
Street Address	4675 PORTSIDE WAY
City	BOULDER
State	CO
Zip	80301-3128
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR
Legal Description	IMPROVEMENTS ONLY LOT 5 PORTAL ESTATES
Legal Range	70
Legal Township	1N
Legal Section	11
Legal Subdivision	PORTAL ESTATES - BOV
Legal Block	1
Legal Lot Number	5
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1005
Census Tract	12708

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	4675 PORTSIDE WAY, BOULDER, CO 80301-3128
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 25, 2019	Grant Deed, Mortgage FIRSTBANK
Jul 22, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Jul 22, 2019	Grant Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 18, 2024 · Amount on Record
Deed Sale	Dec 18, 2024 · Amount on Record
Prior Sale	Jul 21, 1993
Deed Document Number	20244070739
Prior Transfer Date	Aug 9, 1995
Prior Transfer Doc	0001538734
Record Updated	Sep 20, 2026

October 2019: Grant Deed, Mortgage

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 25, 2019
Property Address	4675 PORTSIDE WAY, BOULDER, CO 80301-3128
Instrument Date	Oct 24, 2019
Instrument	3744953
Transaction Type	Mortgage
Record Updated	Nov 5, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1705 17TH ST #200 DENVER CO 802021293, 200, DENVER, CO 80202-1293

Mortgage

Document Number	0003744953
Date	Oct 25, 2019
Instrument	3744953

Lender

Name	FIRSTBANK
Type	Bank
Address	12345 W COLFAX AVE, LAKEWOOD, CO 80215-3742

Agreement

Amount	Amount Recorded
Term	24 Months
Due	Oct 24, 2021

Interest

Rate	4%

July 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 22, 2019
Property Address	4675 PORTSIDE WAY, BOULDER, CO 80301-3128
Document Number	0003725245
Instrument Date	Jul 19, 2019
Instrument	3725245
Transaction Type	Transfer
Record Updated	Jul 30, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Tax	$37.80
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1705 17TH ST #200 DENVER CO 802021293, 200, DENVER, CO 80202-1293

July 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 22, 2019
Property Address	4675 PORTSIDE WAY, BOULDER, CO 80301-3128
Document Number	0003725244
Instrument Date	Jul 19, 2019
Instrument	3725244
Transaction Type	Transfer
Record Updated	Jul 30, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1600 N DOWNING ST #300 DENVER CO 802181533, 300, DENVER, CO 80218-1533

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 16, 2025

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		$17,524 (-32.24%) Building $17,524	$257,700 (-37.72%) Building $257,700
2025	$2,619.00 (+18.67%)	$25,862 (-6.72%) Land $9,756 Building $16,106	$413,800 (-) Land $156,100 Building $257,700
2023	$2,207.00 (-16.05%)	$27,725 (+3.53%) Land $10,459 Building $17,266	$413,800 (+7.4%) Land $156,100 Building $257,700
2022	$2,629.00	$26,779 Land $7,965 Building $18,814	$385,300 Land $114,600 Building $270,700

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Moderate above 46% of the US · lower than 70% of Colorado
Wildfire Likelihood	0.07% 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 334 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
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL	140 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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